Ds Resumes

8/22/2019 Ds Resumes

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PROFESSIONAL SUMMARY:

Over 6 years of Dynamic career reflecting pioneering experience and high performancein System Analysis, design, development and implementation of Relational Database and

Data Warehousing Systems using IBM Data Stage 8.0.1/7.x/6.x/5.x (Info Sphere

Information Server, Web Sphere, Ascential Data Stage). Excellent Experience in Designing, Developing, Documenting, Testing of ETL jobs and

mappings in Server and Parallel jobs using Data Stage to populate tables in Data

Warehouse and Data marts. Proficient in developing strategies for Extraction, Transformation and Loading (ETL)

mechanism. Expert in designing Parallel jobs using various stages like Join, Merge, Lookup, Remove

duplicates, Filter, Dataset, Lookup file set, Complex flat file, Modify, Aggregator, XML. Expert in designing Server jobs using various types of stages like Sequential file, ODBC,

Hashed file, Aggregator, Transformer, Sort, Link Partitioner and Link Collector. Experienced in integration of various data sources (DB2-UDB, SQL Server, PL/SQL,

Oracle, Teradata, XML and MS-Access) into data staging area. Expert in working with Data Stage Manager, Designer, Administrator, and Director. Experience in analyzing the data generated by the business process, defining the

granularity, source to target mapping of the data elements, creating Indexes andAggregate tables for the data warehouse design and development.

Excellent knowledge of studying the data dependencies using metadata stored in therepository and prepared batches for the existing sessions to facilitate scheduling ofmultiple sessions.

Proven track record in troubleshooting of Data Stage jobs and addressing productionissues like performance tuning and enhancement.

Expert in working on various operating systems like UNIX AIX 5.2/5.1, Sun SolarisV8.0 and Windows 2000/NT.

Proficient in writing, implementation and testing of triggers, procedures and functions inPL/SQL and Oracle.

Experienced in Database programming for Data Warehouses (Schemas), proficient indimensional modeling (Star Schema modeling, and Snowflake modeling).

Expertise in UNIX shell scripts using K-shell for the automation of processes andscheduling the Data Stage jobs using wrappers.

Experience in using software configuration management tools like Rational Clearcase/Clear quest for version control.

Experienced in Data Modeling as well as reverse engineering using tools Erwin, OracleDesigner and MS Visio, SQL server management studio, SSIS and SSRS and storeprocedure.

Expert in unit testing, system integration testing, implementation and maintenance ofdatabases jobs.

Effective in cross-functional and global environments to manage multiple tasks andassignments concurrently with effective communication skills.


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EDUCATIONAL QUALIFICATION:Bachelors in Electronics and Communication,

TECHNICAL SKILLS:

ETL Tools

DATA STAGE- IBM Web Sphere Data stage and Quality Stage 8.0, Ascential Data Stage

/7.5.2/5.1/6.0 Profile Stage 7.0, SSIS (SQL server 2005), Data Integrator.

Business Intelligence tools

Business Objects, Brio, SSRS(SQL Server 2005),IBM Cognos 8 BI

Development Tools and Languages

SQL, C, C++, Unix Shell Scripting, Perl, PL/SQL,oracle

Testing Tools

Auto Tester, Test Director, Lotus Notes

Data Modeling Tools

Erwin 4.0, Sybase Power Developer, SSIS,SSRS

Operating Systems

HP-UX, IBM-AIX 5.3, Windows 95/98/2000/ NT, Sun Solaris, Red-Hat Linux, MS SQLSERVER 2000/2005/2008& MS Access

WORK EXPERIENCE:Confidential, CA Nov 2010Present ETL DeveloperNetApp Inc is leading Network Appliance Manufacturer Company as well as data storageCompany which provide Network appliance like hard disk, shelf for small business owners, large

business owners. Also NetApp provides efficient data storage facility. The main aim is to

provide variety of services like Data storage, Data Analysis, Data warehouse, Data mart etc.which can adopt consistent tailored processes in order to strive and fulfill promise of

commitment and reliability to Customers.

Involved as primary on-site ETL Developer during the analysis, planning, design,development, and implementation stages of projects using IBM Web Sphere software

(Quality Stage v8.1, Web Service, Information Analyzer, Profile Stage, WISD of IIS

8.0.1). Prepared Data Mapping Documents and Design the ETL jobs based on the DMD with

required Tables in the Dev Environment.


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Active participation in decision making and QA meetings and regularly interacted withthe Business Analysts &development team to gain a better understanding of the Business

Process, Requirements & Design. Used DataStage as an ETL tool to extract data from sources systems, loaded the data into

the ORACLE database.

Designed and Developed Data stage Jobs to Extract data from heterogeneous sources,Applied transform logics to extracted data and Loaded into Data Warehouse Databases.

Created Datastage jobs using different stages like Transformer, Aggregator, Sort, Join,Merge, Lookup, Data Set, Funnel, Remove Duplicates, Copy, Modify, Filter, Change

Data Capture, Change Apply, Sample, Surrogate Key, Column Generator, RowGenerator, Etc.

Extensively worked with Join, Look up (Normal and Sparse) and Merge stages. Extensively worked with sequential file, dataset, file set and look up file set stages. Extensively used Parallel Stages like Row Generator, Column Generator, Head, and Peek

for development and de-bugging purposes.

Used the Data Stage Director and its run-time engine to schedule running the solution,testing and debugging its components, and monitoring the resulting executable versionson ad hoc or scheduled basis.

Developed complex store procedures using input/output parameters, cursors, views,triggers and complex queries using temp tables and joins.

Converted complex job designs to different job segments and executed through jobsequencer for better performance and easy maintenance.

Creation of jobs sequences. Maintained Data Warehouse by loading dimensions and facts as part of project. Also

worked for different enhancements in FACT tables.

Created shell script to run data stage jobs from UNIX and then schedule this script to rundata stage jobs through scheduling tool.

Coordinate with team members and administer all onsite and offshore work packages. Analyze performance and monitor work with capacity planning. Performed performance tuning of the jobs by interpreting performance statistics of the

jobs developed. Documented ETL test plans, test cases, test scripts, and validations based on design

specifications for unit testing, system testing, functional testing, prepared test data for

testing, error handling and analysis. Participated in weekly status meetings. Developed Test Plan that included the scope of the release, entrance and exit criteria and

overall test strategy. Created detailed Test Cases and Test sets and executed them

manually.

Environment: IBM Web Sphere DataStage 8.1 Parallel Extender, Web Services, Quality Stage

8.1, (Designer, Director, Manager), Microsoft Visio, IBM AIX 4.2/4.1 IBM DB2 Database, SQLServer, IBM DB2,Teradata, ORACLE 11G, Query man, Unix, Windows.

Confidential, NJ Jan 2010 - Oct 2010 Lead Sr. Datastage DeveloperProject was to design and develop enterprise data warehouse. Extract data from heterogeneous

source system, transform them using business logic and load in to data warehouse.


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Used the DataStage Designer to develop processes for extracting, cleansing,transforming, integrating and loading data into staging tables.

Extensively used ETL to load data from IBM DB2 database, XML & Flat files Source toInformix Database Server.

Involved in analysis, planning, design, development, and implementation phages ofprojects using IBM Web Sphere software (Quality Stage v8.0.1, Web Service,Information Analyzer, Profile Stage, WISD of IIS 8.0.1).

Developed complex jobs using various stages like Lookup, Join, Transformer, Dataset,Row Generator, Column Generator, Datasets, Sequential File, Aggregator and Modify

Stages. Created queries using join and case statement to validate data in different databases. Created queries to compare data between two databases to make sure data is matched. Used the DataStage Director and its run-time engine to schedule running the solution,

testing and debugging its components, and monitoring the resulting executable versionson an ad hoc or scheduled basis.

Created shared container to incorporate complex business logic in job.

Monitoring the Datastage job on daily basis by running the UNIX shell script and made aforce start whenever job fails.

Created and modified batch scripts to ftp files from different server to data stage server. Extensively used slowly changing dimension Type 2 approach to maintain history in

database. Created Job Sequencers to automate the job. Modified UNIX shell script to run Job sequencer from the mainframe job. Create parameter set to assign a value to job at run time. Standardized the Nomenclature used to define the same data by users from different

business units.

Created multiple layer report providing a comprehensive and detail report with Drillthrough facility.

Used Parallel Extender for Parallel Processing for improving performance whenextracting the data from the sources.

Worked with Metadata Definitions, Import and Export of Datastage jobs using Data stageManager.

Providing the logical data model design, generating database, resolving technical issues,and loading data into multiple instances.

Implemented PL/SQL scripts in accordance with the necessary Business rules andprocedures.

Developed PL/SQL procedures & functions to support the reports by retrieving the datafrom the data warehousing application.

Used PL/SQL programming to develop Stored Procedures/Functions and Databasetriggers.

Environment: IBM Web Sphere DataStage 8.0.1 Parallel Extender, Web Services, Quality

Stage 8.0, (Designer, Director, Manager), Microsoft Visio, IBM AIX 4.2/4.1 IBM DB2

Database, SQL Server 2000, IBM DB2,Teradata, ORACLE 11G, Query man, BMQ, Unix,Windows.


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Confidential, VA Oct 2008Dec 2009 Lead Datastage ETL DeveloperProject was involved in design and development of a group insurance system, which processes

claims for group insurance. It covers benefits with subsystems covering Term Life Insurance,Medical Indemnity and Managed Health Care.

Data Modeling:

Gathered and analyzed the requirements of the in-house business users for the datawarehousing from JAD sessions.

Collected the information about different Entities and attributes by studying the existingODS and reverse engineering into Erwin.

Defined the Primary keys and foreign keys for the Entities. Defined the query view, index options and relationships. Created logical schema using ERWIN 4.0 and also created the Dimension Modeling for

building the Cubes.

Designed staging and Error handling tables keeping in view the overall ETL strategy. Assisted in creating the physical database by forward engineering.

ETL Process:

Extracted data from source systems transformed and loaded into Oracle databaseaccording to the required provision.

Primary on-site technical lead during the analysis, planning, design, development, andimplementation stages of data quality projects using Integrity (now known as Quality

Stage). Involved in system analysis, design, development, support and documentation. Created objects like tables, views, Materialized views procedures, packages using Oracle

tools like PL/SQL, SQL*Plus, SQL*Loader and Handled Exceptions.

Involved in database development by creating Oracle PL/SQL Functions, Procedures,Triggers, Packages, Records and Collections.

Created views for hiding actual tables and to eliminate the complexity of the largequeries.

Created various indexes on tables to improve the performance by eliminating the fulltable scans.

Used the DataStage Designer to develop processes for extracting, cleansing,transforming, integrating and loading data into Data Marts.

Created source table definitions in the DataStage Repository. Identified source systems, their connectivity, related tables and fields and ensure data

suitability for mapping.

Generated Surrogate IDs for the dimensions in the fact table for indexed and fasteraccess of data.

Created hash tables with referential integrity for faster table look-up and for transformingthe data representing valid information.

Used built-in as well as complex transformations. Used Data Stage Manager to manage the Metadata repository and for import/export of

jobs.


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Implemented parallel extender jobs for better performance using stages like Join, Merge,Sort and Lookup, transformer with different source files complex flat files, XML files.

Optimized job performance by carrying out Performance Tuning. Created Stored Procedures to confirm to the Business rules. Used Aggregator stages to sum the key performance indicators in decision support

systems and for granularity required in DW. Tuned DataStage transformations and jobs to enhance their performance. Used the DataStage Director and its run-time engine to schedule running the solution,

testing and debugging its components, and monitoring the resulting executable versions

on an ad hoc or scheduled basis. Scheduled Datastage job using Autosys scheduling tool. Prepared the documentation of Data Acquisition and Interface System Design. Assigned the tasks and provided technical support to the development team. Monitored the development activities of the team and updated to the Management. Created complicated reports using reporting tool Cognos.

Environment: IBM / Ascential Data Stage E.E./7.5(Manager, Designer, Director, ParallelExtender), Quality Stage 7.5 Data Stage BASIC language Expressions,Autosys, Erwin 4.0,

Windows NT, UNIX, Oracle 9i, SQL SERVER, Cognos, Sequential files, .csv files.

Confidential, PA Jan 2007 -- Sep 2008

Sr. Data Stage Developer

As a DW developer designed, developed, and deployed DataStage Jobs and associatedfunctionality. The warehouse employed highly complex data transformations including Slowly

Changing Dimensions and a series of Stored Procedures, which made performance tuning and

efficient mapping highly critical. Along with designing jobs from scratch re-wrote existing codeto enhance performance and trouble-shoot errors in both DataStage & Oracle10G.

Responsibilities:

Used IBM Datastage Designer to develop jobs for extracting, cleaning, transforming andloading data into data marts/data warehouse.

Developed several jobs to improve performance by reducing runtime using differentpartitioning techniques.

Used different stages of Datastage Designer like Lookup, Join, Merge, Funnel, Filter,Copy, Aggregator, and Sort etc.

Used to read complex flat files from mainframe machine buy using Complex Flat FileStage.

Sequential File, Aggregator, ODBC, Transformer, Hashed-File, Oracle OCI, XML,Folder, FTP Plug-in Stages were extensively used to develop the server jobs.

Use the EXPLAIN PLAN statement to determine the execution plan Oracle Database. Worked on Complex data coming from Mainframes (EBCIDIC files) and knowledge of

Job Control Language (JCL). Used Cobol Copy books to import the Metadata information from mainframes. Designed Datastage jobs using Quality Stage stages in 7.5 for data cleansing & data

standardization Process. Implemented Survive stage & Match Stage for data patterns &

data definitions.


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Staged the data coming from various environments in staging area before intoDataMarts.

Involved in writing Test Plans, Test Scenarios, Test Cases and Test Scripts andperformed the Unit, Integration, system testing and User Acceptance Testing.

Used stage variables for source validations, to capture rejects and used Job Parametersfor Automation of jobs.

Strong knowledge in creating procedures, functions, sequences, triggers. Expertise in PLSQL/SQL. Performed debugging and unit testing and System Integrated testing of the jobs. Wrote UNIX shell script according to the business requirements. Wrote customized server/parallel routines according to complexity of the business

requirements. Designed strategies forarchiving of legacy data. Created shell scripts to perform validations and run jobs on different instances (DEV,

TEST and PROD).

Created & Deployed SSIS (SQL Server Integration Services) Projects, Schemas andConfigured Report Server to generate reports through SSRS SQL Server 2005.

Used to create ad-hoc reports by MS SQL Server Reporting Services for the businessusers.

Used SQL Profiler to monitor the server performance, debug T-SQL and slow runningqueries.

Expertise in developing and debugging indexes, stored procedures, functions, triggers,cursors using T-SQL.

Wrote mapping documents for all the ETL Jobs (interfaces, Data Warehouse and DataConversion activities).

Environment:IBM Web Sphere Data stage and Quality Stage 7.5, AscentialDatastage7.5/EE (Parallel Extender), SQL Server 2005/2008, Linux, Teradata 12, Oracle10g,

Sybase, PL/SQL Toad, UNIX (HP-UX), Cognos 8 BI

Confidential, NJ

Jr. DATASTAGE DEVELOPER Jan 2006- Dec 2006

Merrill Lynchwas a global financial service provides capital markets services, investment

banking and advisory services, wealth management, asset management, insurance, banking and

related financial services worldwide.

ETL/Datastage Developer ResumeTitleETL/Datastage Developer

Primary Skills


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ETL, datawarehouse design

LocationUS-NJ-Jersey City (will consider relocating)

PostedJun-06-10

RESUME DETAILS

Professional Summary:

Over 7 years of experience in Data modeling, Datawarehouse Design, Development and

Testing using ETL and Data Migration life cycle using IBM WebSphere DataStage 8.x/7.x

Expertise in building Operational Data Store (ODS), Data Marts, and Decision Support

Systems (DSS) using Multidimensional Model(Kimball and Inmon),Star and Snowflake schemadesign.

Experience in analyzing the data generated by the business process, defining the granularity,

source to target mapping of the data elements, creating Indexes and Aggregate tables for the data

warehouse design and development. Data Processing experience in designing and implementing Data Mart applications, mainly

transformation processes using ETL tool DataStage (Ver8.0/7), designing and developing jobs

using DataStage Designer, Data Stage Manager, DataStage Director and DataStage Debugger. Efficient in all phases of the development lifecycle, coherent with Data Cleansing, Data

Conversion, Performance Tuning and System Testing.

Excellent in using highly scalable parallel processing Infrastructure using DataStage Parallel

Extender. Efficient in incorporation of various data sources such as Oracle, MS SQL Server, and DB2,

Sybase, XML and Flat files into the staging area.

Experience in Mapping Server/parallel Jobs in DataStage to populate tables in Data warehouseand Data marts.

Proven track record in addressing production issues like performance tuning and enhancement.

Excellent knowledge in creating and managing Conceptual, Logical and Physical Data Models. Experience in dimensional and relational database design.

Strong in Data warehousing concepts, dimensional Star Schema and Snowflakes Schema

methodologies.

Expert in unit testing, system integration testing, implementation, maintenance andperformance tuning.

Experience in different Scheduling tools like AutoSys for automating and scheduling jobs run.

Excellent with PL/SQL, T-SQL, Stored Procedures, Database Triggers and SQL * Loader. Experience in UNIX Shell Scripting. Excellent knowledge of operating systems Windows, UNIX, Macintosh, and databases

including Oracle, SQL Server,and DB2.

Experience in implementing Quality Processes like ISO 9001:2000/Audits. Detail oriented with good problem solving, organizational, analysis, highly motivated and

adaptive with the ability to grasp things quickly.


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Ability to work effectively and efficiently in a team and individually with excellent

interpersonal, technical and communication skills.

Education Qualifications:

Masters in Electrical and Computer Engineering.

Skill Sets:IBM Information Server V8.1(DataStage, QualityStage, Information Analyzer), Ascential

DataStage V7.5 (Designer, Director, Manager, Parallel Extender)., Oracle 8i/9i/10g, MS SQL

Server 2005/2008, DB2 UDB, MS Access, Sybase, SQL, PL/SQL, SQL*Plus, Flat files,Sequential files, TOAD 9.6, Erwin, Microsoft Visio, Oracle Developer 2000, SQL*Loader, IBM

Cognos 8.0, IBM AIX UNIX, Red Hat Enterprise Linux 4, UNIX Shell Scripting, Windows

NT,/XP, Macintosh,C,C++,VB scripting.

Project Summary:

Prudential Financial, Newark,NJ 1/2009- Present

DataStage Developer

Prudential Financial, Inc. is a Fortune Global 500, provides insurance, investment management,

and other financial products and services to both retail and institutional customers throughout theUnited States and in over 30 other countries.

The project objective was to collect, organize and store data from different operational data

sources to provide a single source of integrated and historical data for the purpose of reporting,analysis and decision support to improve the client services.

Hardware/Software:IBM DataStage 8.0 (Designer, Director, Manager, Parallel Extender), Oracle 10g,SQL Server

2008, DB2 UDB, Flat files, Sequential files, Autosys, TOAD 9.6, SQL*Plus, AIX UNIX, IBM

Cognos 8.0

Responsibilities:

Interacted with End user community to understand the business requirements and in identifying

data sources.

Analyzed the existing informational sources and methods to identify problem areas and makerecommendations for improvement. This required a detailed understanding of the data sources

and researching possible solutions.

Implemented dimensional model (logical and physical) in the existing architecture using Erwin. Studied the PL/SQL code developed to relate the source and target mappings.


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Helped in preparing the mapping document for source to target.

Worked with Datastage Manager for importing metadata from repository, new job Categories

and creating new data elements. Designed and developed ETL processes using DataStage designer to load data from Oracle, MS

SQL, Flat Files (Fixed Width) and XML files to staging database and from staging to the target

Data Warehouse database. Used DataStage stages namely Hash file, Sequential file, Transformer, Aggregate, Sort,Datasets, Join, Lookup, Change Capture, Funnel, Peek, Row Generator stages in accomplishing

the ETL Coding.

Developed job sequencer with proper job dependencies, job control stages, triggers. Used QualityStage to ensure consistency, removing data anomalies and spelling errors of the

source information before being delivered for further processing.

Excessively used DS Director for monitoring Job logs to resolve issues.

Involved in performance tuning and optimization of DataStage mappings using features likePipeline and Partition Parallelism and data/index cache to manage very large volume of data.

Documented ETL test plans, test cases, test scripts, and validations based on design

specifications for unit testing, system testing, functional testing, prepared test data for testing,error handling and analysis.

Used Autosys job scheduler for automating the monthly regular run of DW cycle in both

production and UAT environments.

Verified the Cognos Report by extracting data from the Staging Database using PL/SQLqueries.

Wrote Configuration files for Performance in production environment.

Participated in weekly status meetings.

Kaiser Permanente, Pleasanton, CA 05/2007-- 12/2008

ETL Designer/ DataStage Developer

Kaiser Permanente is an integrated managed care organization, is the largest health care

organization in the United States. The Health Plan and Hospitals operate under state and federalnon-profit tax status, while the Medical Groups operate as for-profit partnerships or professional

corporations in their respective regions.

The project was to design, develop and maintain a data warehouse for their vendor's data,

internal reference data and work with their DBA to ensure that the physical build adheres to the

model blueprint.

Hardware/Software:

DataStage 7.5.1 Enterprise Edition, Quality Stage, Flat files,Oracle10g, SQL Server -2005/2008,

Erwin 4.2, PL/SQL, UNIX, Windows NT/XP


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Responsibilities:

Involved in understanding of business processes and coordinated with business analysts to get

specific user requirements. Studied the existing data sources with a view to know whether they support the required

reporting and generated change data capture request.

Used Quality Stage to check the data quality of the source system prior to ETL process. Worked closely with DBA's to develop dimensional model using Erwin and created thephysical model using Forward Engineering.

Worked with Datastage Administrator for creating projects, defining the hierarchy of users and

their access. Defined granularity, aggregation and partition required at target database.

Involved in creating specifications for ETL processes, finalized requirements and prepared

specification document.

Used DataStage as an ETL tool to extract data from sources systems, loaded the data into theSQL Server database.

Imported table/file definitions into the Datastage repository.

Performed ETL coding using Hash file, Sequential file, Transformer, Sort, Merge, Aggregatorstages compiled, debugged and tested. Extensively used stages available to redesign DataStage

jobs for performing the required integration.

Extensively used DataStage Tools like Infosphere DataStage Designer, Infosphere DataStage

Director for developing jobs and to view log files for execution errors. Controlled jobs execution using sequencer, used notification activity to send email alerts.

Ensured that the data integration design aligns with the established information standards.

Used Aggregator stages to sum the key performance indicators used in decision supportsystems.

Scheduled job runs using DataStage director, and used DataStage director for debugging and

testing.

Created shared containers to simplify job design. Performed performance tuning of the jobs by interpreting performance statistics of the jobs

developed.

Documented ETL test plans, test cases, test scripts, and validations based on designspecifications for unit testing, system testing, functional testing, regression testing, prepared test

data for testing, error handling and analysis.

Macy's, Atlanta,GA 12/2005-- 04/2007

ETL Developer

Macy's (NYSE: M) is a chain of mid-to-high range American department stores deliveringfashion and affordable luxury to customers coast to coast. Online shopping is offered through

macys.com. Its selection of merchandise can vary significantly from location to location,

resulting in the exclusive availability of certain brands in only higher-end stores.

The aim of the Project was to build a data warehouse, which would keep historical data

according to a designed strategy. Flat files, Oracle tables were part of the source data, which

came in on a daily, weekly, monthly basis.


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Hardware/Software:

IBM Information Server DataStage 7.5, Oracle 10g, SQL, PL/SQL, UNIX, SQL*Loader,

Autosys, Business Objects 6.1, Windows 2003, IBM AIX 5.2/5.1, HP Mercury Quality Center9.0

Responsibilities:

Involved in understanding of business processes and coordinated with business analysts to getspecific user requirements.

Used Information Analyzer for Column Analysis, Primary Key Analysis and Foreign Key

Analysis.

Extensively worked on DataStage jobs for splitting bulk data into subsets and to dynamicallydistribute to all available processors to achieve best job performance.

Developed ETL jobs as per business rules using ETL design document

Converted complex job designs to different job segments and executed through job sequencerfor better performance and easy maintenance.

Used DataStage maps to load data from Source to target.

Enhanced the reusability of the jobs by making and deploying shared containers and multiple

instances of the jobs. Imported the data residing in the host systems into the data mart developed in Oracle 10g.

Extensively used Autosys for automation of scheduling jobs on daily, bi-weekly, weekly

monthly basis with proper dependencies. Wrote complex SQL queries using joins, sub queries and correlated sub queries

Performed Unit testing and System Integration testing by developing and documenting test

cases in Quality Center.

Validated the report generated using Business Objects using PL/SQL queries. Worked on troubleshooting, performance tuning and performances monitoring for enhancement

of DataStage jobs and builds across Development, QA and PROD environments.

Citibank Inc., New York, NY 12/2004--11/2005

DataStage Developer

Citibank, the leading global banking company, has some 200 million customer accounts anddoes business in more than 100 countries, providing services to consumers, corporations,

governments and institutions.

The project was to transform the data coming from various sources through multiple stagesbefore being loaded into the data warehouse and maintenance.

Hardware/Software:

Ascential DataStage 7.0(Designer, Manager, Director), Oracle 9i, MS Access, SQL-Server2000/2005,SQL, PL/SQL, Toad, UNIX

Responsibilities: Involved in understanding of business processes to learn business requirements.


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Extracted data from different systems into Source. Mainly involved in ETL developing.

Defined and implemented approaches to load and extract data from database using DataStage.

Worked closely with data warehouse architect and business intelligence analyst in developingsolutions.

Used Erwin for data modeling (i.e. modifying the staging and SQL scripts on Oracle and MS

Access Environments). Involved in design, source to target mappings between sources to operational staging targets,using DataStage Designer.

Performed ETL coding using Hash file, Sequential file, Transformer, Sort, Merge, Aggregator

stages compiled, debugged and tested. Extensively used stages available to redesign Data Stagejobs for performing the required integration.

Executed jobs through sequencer for better performance and easy maintenance.

Involved in unit, performance and integration testing of Data Stage jobs.

Used Data Stage Director to run and monitor the jobs for performance statistics. Involved in performance tuning of the jobs.

Used T-SQL for validating the data generated at OLAP server.

Wipro Technologies, Bangalore 08/2003--11/2004 Quality Assurance Engineer

Wipro Technologies is an Indian Multinational, a leading provider of integrated business,technology and process solutions on a global delivery platform.

Worked as a QA tester on web based E-billing application. The application has two modulesaccount payable (AP) and account receivable (AR) to keep track of transactions.

Hardware/Software:

Windows XP,ASP.net,Test Director 7.2,WinRunner 7.0,SQL server 2000

Responsibilities:

Active participation in decision making and QA meetings and regularly interacted with the

Business Analysts &development team to gain a better understanding of the Business Process,Requirements & Design.

Analyzed business requirements with perspective to Black Box Testing, system

architecture/design and converted them into functional requirements/test cases. Used Test Director to document the requirements and created traceability matrices for the

requirements.

Developed Test Plan that included the scope of the release, entrance and exit criteria and

overall test strategy. Created detailed Test Cases and Test sets and executed them manually. Performed Cross-Browsing testing to verify if the application provides accurate information in

different (IE, Netscape, Firefox, Safari) browsers.

Extensively used Output and Checkpoint for verifying the UI properties and values using VB

scripting. Back-End Database verification manually and using WinRunner to automatically

Verify Database with the values entered during automated testing.

Performed the Back-End integration testing to ensure data consistency on front-end by writingand executing SQL Queries. Provided management with metrics, reports, and schedules and was


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responsible for entering, tracking bugs.

Ensured that the Defect was always written with great level of detail.

Sr. Data Stage Developer Resume

TitleSr. Data Stage Developer

Primary Skills7 yrs of IT experience in the Analysis, Development and Implementation of Data WarehousingSystems

LocationUS-TX-dallas (will consider relocating)

PostedJun-12-12

RESUME DETAILS

Summary

Over 7 years of total IT experience in the Analysis, Development and Implementation of DataWarehousing Systems (OLAP) using Datastage.

Experience in Datastage 8.1/8.0.1/7.5//7.1 using components like Datastage Designer,

Datastage Manager, Datastage Director, Datastage Administrator, Quality stage, Informationserver and Parallel Extender. Designed Mapping documents ETL architecture documents and

specifications.

Strong understanding of the principles of DW using Fact Tables, Dimension Tables, star andsnowflake schema modeling.

Development of Logical and Physical data warehouse models to represent business needs and

designed Dimensional models for data mart creation, allowing flexible high performance

reporting of core data.

Experience with high-end programming experience using PL/SQL, SQL*Loader, ODBC, SQLNavigator, Toad, Developer 2000, Unix Shell Scripting, Win NT and Sun Solaris.

RDBMS experience with Oracle 11g/10g/9i/8i, SQL Server, DB2 including database

development, PL/SQL programming.

Transfer data from one computer to another through a network through FTP Protocols.

Having good understanding of ERISA Planning and Fund Transfer Pricing in the field ofbanking, Finance and Human resource management in various Industries.


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Analyzed the Source Data and designed the source system documentation.

Development of detailed specifications for data management scripts.

Document the developed code for promotion to production environment.

Used the Data stage Designer to develop processes for extracting, cleansing, transforming,integrating, and loading data into data warehouse database.

Set up the development, QA & Production environments. Migrated jobs from development to QA to Production environments.

Defined production support methodologies and strategies.

Design Technical specifications and Mapping documents with Transformation rules.

Strong background in ETL tools, such as parallel Extender and Information Server.

Extensive experience in Dimensional modeling techniques, troubleshooting of Data Stagejobs, and performance tuning.

Efficient in all phases of the development lifecycle, coherent with Data Cleansing, Data

Conversion, Performance Tuning.

Experience in Converting the Business Logic into Technical Specifications.

Extensive experience in loading high volume data, and performance tuning.

Written data stage routines to fulfill the business requirements.

Efficient in all phases of the development lifecycle, coherent with Data Cleansing, Data

Conversion, Performance Tuning.

Strong Experience in Quality Assurance using various environments like System integrationtesting, Process scenario testing, User acceptance testing and Operation readiness testing.

Having good knowledge of ETM (Enterprise Tax management).

Participated in discussions with Project Manager, Business Analysts and Team Members onany technical and/or Business Requirement issues.

Technical Skills:

ETL Tools Datastage 8.1/8.0.1/7.5.2/7.1 (Administrator, Manager, Designer, Director, Parallel

Extender/Orchestrate, Information Server, Quality Stage) MVS

OLAP Tools Business Objects 6.5.1Operating Systems Sun Solaris 8/7.0, IBM AIX 4.3 and Windows NT 4.0/2000/2003/xp

windows 7.

Languages PL/SQL, C/C++, UNIXDatabase Oracle 11g/10g/9i/8i/7.3, SQL Server 2000/2005/2008 ,DB2, Sybase and MQ Series

GUI Visual Basic 5.0/6.0

Web Server Apache Web Server, Java Web Server, Web logic Server, IISOther Cyber fusion, SQL Assistant, MS Visio, Erwin, TOAD, Pattern Action Language (PAL),Autosys, Control M, TWS ER Win, and Teradata.

Professional Experience

Infor global solutions, Dallas, TX Feb'11 to Present

Sr. Data Stage Developer


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Responsibilities:

Team-coordination and ensuring customer satisfaction by providing extensive support.

Planning for project execution.

Used Parallelism concepts for distributing load among different processors by implementing

Pipeline and partitioning of data. Involved in Designing Parallel and server Jobs.

Creating new batches that utilized parallelism better (Multi Instance)

Simplifying the environment by removing unneeded objects.

Reviewing ETL architecture and recommending changes as per Standards.

Created and Monitored sequences using Data stage sequencer.

Created containers to use in multiple jobs.

Used debugger to test the data flow and fix jobs.

Defined data base triggers & PL/SQL stored procedures for business validations.

Extensively wrote Routines and Transforms.

Involved in performance tuning of jobs.

Created and Monitored sequences using Data stage sequencer

Extensively used Parallel Stages like Join, Merge, Lookup, Filter, Remove Duplicates, Funnel,

Row Generator, slowly changing dimensions, Modify, Peek etc. for development and de-bugging

purposes

Responsible for metadata management, creating shared containers for reusability.

Extensively worked with Data Stage Job Sequences to Control and Execute Data Stage Jobs

and Job Sequences using various Activities and Trigger.

Maintained the Data Stage Production and Development servers. Worked on various adminissues to keep the server up at all times.

Actively worked during nights and weekends during go-live and post production.

Environment: Windows 2008, IBM Data stage 8.0.1, Oracle 10g, SQL Server 2008R2.

BNY Mellon corp. Wilmington, DE. Jan'10-- Jan'11Sr. Data Stage Developer

Responsibilities:

Involved in understanding the scope of application, present schema, data model and definingrelationship within and between the groups of data.

Interaction with the business users to better understand the requirements and document their

expectations, handling the current process, modifying and created the jobs to the updated

requirements, handle the load process to data mart and eventually data warehouse.

Used the Ascetical Data Stage 7.5 extensively to transfer and load data into the staging areaand eventually into Warehouse.

Extensively used the Sequential File Stage, Dataset Stage, File set Stage, Modify Stage, Look-

up, transformation and other Database plug-ins and the stage provided by the Data Stage toperform transformation and load the data.

Designed Mappings between sources to operational staging targets, using Star Schema,Implemented logic to Slowly Changing Dimensions.

Designed a job template that provides the Environmental parameters for the subsequent use in


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the projects.

Extensively used Microsoft Visio for documentation and control _m to schedule the jobs.

Implemented Debugging Methodologies with Break Point Options.Environment: IBM Web Sphere Data Stage 7.5.1, IBM-AIX, DB2, Oracle 10g, UNIX,MICROSOFT VISIO, control-M, SQL plus.

Stanley works, New Britain, CT Nov '08 -- Dec '09Data Stage Developer

Responsibilities:

Used Parallel Extender for distributing load among different processors by implementingpipeline and partitioning of data in parallel extender.

Involved in Designing Parallel Extender Jobs.

Worked with Business customers to identify the different sources of data in operationalsystems and developed strategies to build data warehouse.

Preparation of technical specification for the development of Extraction, Transformation andLoading (ETL) jobs to load data into various tables in Data marts.

Used Parallel Extender for distributing load among different processors by implementingpipeline and partitioning of data.

Developed several complex Data Stage jobs for loading Participants to the data warehouse.

Provide technical support to team members for Design and developing Data stage Jobs.

Used Data Stage Director and the runtime engine to schedule running the server jobs,

monitoring scheduling and validating its components.

Used Basic Routines to pass values from Sequencer to jobs in runtime.

Coded Parallel Routines in C++ to cleansing and format data in Transformer.

Good Experience in working with Control M for Scheduling daily and monthly ETL's Jobs

Worked with Business users to fix defects and implemented the best practices for conducting

best unit testing and integration testing and documenting the test results for user acceptance.

Environment: IBM Web Sphere Data Stage 7.5.2 EE (Parallel Extender, Designer, Manager,Administrator, Director), Oracle 10g, DB2UDB, SQl, PL/SQL, Shell Scripting, UNIX, Control-

M.

TIAA-CREF, charlotte, NC Dec '07 -- Nov '08

ETL Developer

Responsibilities:

Data profiling is done on various source systems to identify and accommodate the requireddata from these various source systems into the EDW.

Worked with Subject matter experts for Data Requirement Documents (DRD)

Created a data dictionary to map the business requirements to attributes to design logical datamodel implementing star schema.

Designed Translate values (common generalization of attributes) to maintain uniformity across

the EDW.

Involved in Creating Technical Design documents and Unit and Integration Test Plans fordevelopment and testing activities.


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Developed a very complex Data validation and error handling jobs.

Created Jobs to classify the data into subject areas as source jobs.

Created Jobs to load the data into EDW from various subject areas as Target jobs.

Automated the entire ETL flow using autosys.

Used Various Standard and created Custom Routines to use in DataStage jobs.

Extensively worked with DataStage Shared Containers for Re-using the Businessfunctionality.

Created Generic jobs using RCP to extract data from various source systems.

Extensively wrote user-defined SQL coding for overriding for Auto generated SQL query inDataStage.

Written batch Job Controls for automation of Execution of data Stage Jobs.

Defined Stage variables for data validations and data filtering process.

Worked on performance tuning to address very critical and challenging issues.

Co-ordinate with SIT and UAT team to fix the Test Problem Reports.Environment: IBM Information server (Data Stage and Quality Stage 8.0.1), Oracle10g, Teradata

V2R6, PL/SQL, AIX, OBIEE, Autosys, Borland Starteam.

Bharati Airtel Telecom, Hyderabad, India Aug '06 -- Oct '07

ETL developer

Responsibilities:

Developed several transformations in the process of building Data warehouse database.

Used server jobs to Extraction, Transformation and Load.

Analyzed and designed source code documentation for investment Data Warehouse.

Used DataStage Designer for developing various jobs to extract, cleansing, transforming,integrating and loading data into Data Warehouse.

Generating of unique keys for composite attributes while loading the data into Data

Warehouse.

Used COBOL programs to extract data from the mainframes and create a load ready file.

Used DataStage Manager for managing DataStage repository (view and edit), define customroutines & transforms, Import and export items between different DataStage systems or

exchange metadata with other data warehousing tools.

Extensively used Parallel Stages like Join, Merge, Lookup, Filter, Remove Duplicates, Funnel,Row Generator, Modify, Peek etc. for development and de-bugging purposes

Extensively worked with Data Stage Job Sequences to Control and Execute Data Stage Jobs

and Job Sequences using various Activities and Triggers. Used DataStage Director and the runtime engine to schedule running the server jobs,monitoring scheduling and validating its components.

Used Hashed file to extract and write data and also to act as intermediate file in a job. Hashedfile is also used as reference table based on single key field.

Environment:

DataStage 7.5, Oracle 8i, SQL Server 2000, DB2 UDB, SQl, COBOL, JCL


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Mehar Health Care Corporation, New Delhi, India Mar'05- Aug '06 Data stage Developer

Responsibilities:

Involved in support for the existing ECLDW (ECL Data ware house). Monitoring and resolving data warehouse ETL production issues.

Worked in analyzing the issue, trace the problem area, suggest a solution, discuss withbusiness.

Implement the solution with extensive documentation.

Understanding the functional requirement specifications and design documents.

Analyzing the source and target flat forms.

Designed Data Stage ETL jobs for extracting data from heterogeneous source systems,

transform,Identify source systems, their connectivity, related tables and fields and ensure data suitably forjobs.

Developed jobs according to ETL Specification to load test data. Involved in creating reusable components such as Shared Containers and Local Containers

Used most of the transformations such as the Transformer, Sequential File, Joiner, Lookup andAggregator etc.

Created unit test cases for jobs.

Involved in support activities after the implementation Ted extensive documentations for theproduction support process improvements.

Environment: Windows 2003, Ascential Data stage 7.5.1 (Parallel), Oracle 9i.

Kapil ChhabraSr. DataStage Developer at IBM DataStage

Iselin, NJ

Over 7.5 years of IT experience in all phases of software development life cycle which

includes analysis, designing, implementation and testing in various domains like retail,

insurance, pharmaceuticals. Extensive Data warehousing experience using IBM Datastage

8.x/7.x (Datastage designer, manager, director and administrator). Expert in data modeling

using Erwin tool. Expert with working on various operating systems IBM AIX 5.2/5.1,sun

solaris, windows. Good understanding of Ralph Kimball's data warehouse methodology.

Designed both server and parallel using various stages like ODBC, transformer, join, merge,

look up, funnel, aggregator, copy, and filter. Experienced in using advance datastage plug in

stages like XML input and XML output. Experienced in integrating of different data sources

DB2, oracle, MS SQL server,Sybase ,Teradata and MS access. Proficient in korn shell and

perl scpriting. Proficient using Autosys for scheduling datastage jobs. Proficient in


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implementation and testing of triggers, procedures and functions for data handling.

Experienced in Unix shell scripting as part of file manipulation, scheduling and text processing.

Proficient in unit testing, system integration testing and performance tuning of Datastage jobs.

Experienced in working with ALTOVA MAPFORCE for mapping of XML files, Databases

and text files. Experience in configuring, installing datastage on server. Experience with

working with Xml schema. Experienced with data modeling tools like Erwin, oracle designer,

MS Visio. Experienced with Quality stage for data profiling, standardization, matching and

survivorship. Used information analyzer for columns analysis, primary key analysis, foreign

key analysis and cross-domain analysis.Willing to adapt to new environment and learn new

technologies.

Work Experience

Sr. DataStage Developer

IBM DataStage

May 2008 to Present

Over 7.5 years of IT experience in all phases of software development life cycle which includes

analysis, designing, implementation and testing in various domains like retail, insurance,pharmaceuticals.

Extensive Data warehousing experience using IBM Datastage 8.x/7.x (Datastage designer,

manager, director and administrator).

Expert in data modeling using Erwin tool.

Expert with working on various operating systems IBM AIX 5.2/5.1,sun solaris, windows.

Good understanding of Ralph Kimball's data warehouse methodology.

Designed both server and parallel using various stages like ODBC, transformer, join, merge,

look up, funnel, aggregator, copy, and filter.

Experienced in using advance datastage plug in stages like XML input and XML output.

Experienced in integrating of different data sources DB2, oracle, MS SQL server,Sybase

,Teradata and MS access.

Proficient in korn shell and perl scpriting.

Proficient using Autosys for scheduling datastage jobs.

Proficient in implementation and testing of triggers, procedures and functions for data

handling.

Experienced in Unix shell scripting as part of file manipulation, scheduling and textprocessing.

Proficient in unit testing, system integration testing and performance tuning of Datastage

jobs.

Experienced in working with ALTOVA MAPFORCE for mapping of XML files, Databases

and text files.

Experience in configuring, installing datastage on server.


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Experience with working with Xml schema.

Experienced with data modeling tools like Erwin, oracle designer, MS Visio.

Experienced with Quality stage for data profiling, standardization, matching and

survivorship.

Used information analyzer for columns analysis, primary key analysis, foreign key analysis

and cross-domain analysis.Willing to adapt to new environment and learn new technologies.

IBM DataStage 8.0/7.5/7.1/7.0/6.0, IBM Information Server 8.1, IBM Information Analyzer 8.1

Business Objects 5.x, 6.x, Cognos 6.0/7.0/7.1 and Crystal Reports 9.0., AIX, UNIX, Linux, WinNT/2000, and MS-DOS, Visual Basic 6.0, C,JAVA, PERL, COBOL, and HTML, Oracle

11g/10g/9i/8i/8.0/7.3,DB2,Teradata,SQL server2008/2005, Developer2000, MS-Access 2000,

TOAD 6.3, Altova Mapforce, Erwin 4.0, Autosys.

Projects Summary:

Emblem Health, NY 5/2008- Present


EmblemHealth is set on being the mark of good health in the Northeast. The not-for-profitcompany provides health insurance through subsidiaries Group Health Incorporated (GHI) and

the Health Insurance Plan of Greater New York (HIP). Collectively, the two health insurerscover some 4 million New Yorkers, primarily state government and New York City

employees.GHI and HIP joined together under the EmblemHealth banner in 2006.

The main purpose of project was to build claim data mart for life insurance claims,dentalclaims,QCARE and PPO claims.The collected information will used for claims approval or

rejection.

Hardware/Software: IBM Information Server 8.1, IBM Information Analyzer 8.1 IBM Data

Stage 8.1 (Designer, Manager, Director), Erwin 4.1, Windows XP, Unix Shell scripting, TOAD8.1, Oracle 10g ,MS SQL server ,flat files, xml files, Autosys, cognos.

Responsibilities: Identified business needs, evaluated business and technical alternatives,

recommended solutions and participated in their implementation.

Requirement gathering and business analysis by attending requirement.

Used DataStage Designer to create the table definitions for the CSV and flat files, import the

table definitions into the repository, import and export the projects, release and package the jobs.

Developed ETL processes to extract the source data and load it into the enterprise-wide data

warehouse after cleansing, transforming and integrating.

Imported metadata from repository, created new job categories, routines and data elements.

Designed and developed jobs using DataStage Designer as per the mapping specifications

using appropriate stages. Used Perl for file parsing for loading into destination.

Created JIL files for Datastage jobs entry in Autosys.

Worked extensively With AutoSys for scheduling Jobs,Provided Production support for

AutoSys.

Worked HP Quality Center to resolved Data related defects.

Used Unix Script to copy files from Development Server to Production Server for testing


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Datastage jobs.

Worked with Unix admin to resolved datastage bug related error.

Developed job sequences to execute a set of jobs with restart ability, check points and

implemented proper failure actions

Wrote UNIX shell scripts to read parameters from files for invoking DataStage jobs.

Created source to target mapping and job design documents from staging area to DataWarehouse.

Used DataStage Director and its run-time engine to schedule running the solution, testing and

debugging its components, and monitoring the resulting executable versions (on an ad hoc orscheduled basis).

Worked on troubleshooting, performance tuning, performance monitoring and enhancement

of DataStage jobs.

Wrote several complex SQL queries to extensively test the ETL process.

Provided production support and performed enhancement on existing multiple projects.

Worked with Autosys for setting up production job cycles for daily, weekly monthly loads

with proper dependencies. Performed unit testing and system integration testing in dev and UAT environments.

ETL Developer

Wells Fargo

-

St. Louis, MO

June 2007 to May 2008

Wells Fargo &co. is diversified financial services company with operations around world. Wells

Fargo is fourth largest bank in US. The aim of project was to migrate jobs from datastage 7.5 todatastage 8.0 and provide required data to production team for managing the enterprise sales data

warehouse, which contained the information about the products, business, customers.

Hardware/Software: Data Stage 8.0(Parallel Extender EE and Server Edition (7.5.1)), Quality

Stage, Teradata , Oracle 10g, Cognos, PL/SQL, Sun Solaris 5.8,ALTOVA MAPFORCE, TOAD9.1, Unix Shell scripting,.

Responsibilities: Involved in Analysis, Requirements gathering, function/technical

specification, development, deploying and testing. Created snapshot for the transactional tables in distributed databases.

Analyzed existing legacy data source and extracted data from it using Datastage.

Involved in critical multiple instance datastage jobs which will send the outbound files for

different Lobs (line of business) at the same time and monitored the jobs accordingly.

Scheduled the parallel jobs using DataStage Director, which is controlled by DataStage

engine and also for monitoring and performance statistics of each stage.

Used ALTOVA Mapforce Tool to do mapping between source and destination XML and


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CSV files and exported table definition using datastage director.

Created Error Tables containing data with discrepancies to analyze and re-process the data.

Extensively used Parallel Stages like Join, Merge, Lookup, Filter, Aggregator, Modify, Copy,

Sort, Funnel, Change Data Capture, Remove Duplicates, Surrogate key Generator, Row

Generator, Column Generator, and Peek for development and de-bugging purposes

Used DataStage Manager to Import and Export DataStage components and Import tabledefinitions from source databases.

Used the Folder stage and RTI stage to extract data from .xml type files and load into Oracle

database.

Execute Backend Testing application by writing complex SQL Queries.

Involved in the design, development and testing of the PL/SQL stored procedures, packages

and triggers for the ETL processes.

Wrote SQL scripts to create and drop the indexes those are passes as parameters in the pre &

post sessions.

Removed errors while migrating jobs from datastage 7.5 to 8.0.

Developed shell scripts for job scheduling and logging.

Involved in performance tuning of SQL queries by providing hints, obtaining Explain Plan,

Analyzing tables and adding indexes.

Involved in full integration test and code reviews of all jobs within each sequence before

migrating the jobs and sequencers from the Development environment (Dev) to the QA

environment, and from the QA environment to the Production environment.

ETL Developer

Merck and Co, Inc

-

Rahway, NJ

April 2006 to June 2007

Merck and co. Inc is one of largest pharmaceuticals companies in world having head quarters in

Whitehouse station. The main functionality of the Monitor project was to do the performance

analysis of the marketing campaigns launched by Merck. The project assisted the Marketingdepartment to keep track of the money invested in the campaigns and keep a check of the flow of

money by monitoring the quality of marketing in the project. The primary responsibility

included, creating DataStage jobs to extract data from 4 different databases namely: consumerproducts, prescription products, vaccines and veterinarian medicine database then transform andload data into data marts.

Hardware/Software: Ascential Datastage 7.x (Designer, Administrator, Director and Manager),

flat files,MS sqlserver,Sybase,Information analyzer, Oracle 9i, PL/SQL, Unix Shell scripts,TOAD, SQL*Loader, UNIX AIX and Metastage.

Responsibilities: Created numerous project functional and scope document for ETL


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processes.

Requirement gathering, business analysis and project coordination was developed with

business analyst and database administrator.

Created various parallel jobs from 4 primary databases consumer, prescription, vaccine and

veterinarian joined tables into target master sales database by creating data marts into target

destination from source databases. Identified and documented data sources and transformation rules required to maintain data

warehouse.

Developed several parallel jobs to load data from sequential files, flat files MS SQL Server

and oracle 9i.

Used metastases to import and export table definition which shared by multiple users.

Used information analyzer to perform primary key, foreign key and cross domain analysis.

Used different stages in datastage designer like aggregator, join, look up, merge, join to

design jobs.

Used job sequencer to design various dependent jobs.

Performed job tuning of datastage job.

Involved in unit, system integration testing and moved jobs from development environment to

production environment using datastage administrator.

Used TOAD for writing SQL routines and functions.

Used Unix shell scripting for file manipulation.

ETL Consultant

Ranbaxy Pharmaceutical

February 2005 to March 2006

Ranbaxy pharmaceuticals limited us Indian largest pharmaceuticals and export product in morethan 125 countries.Drug Distribution Data (DDD) mart, which is used to track sales activity for every major

distribution channel, including hospitals, clinics, mail service, major retail food stores and

chains, mass merchandisers and independent pharmacies. Requirement was to develop anindustrial-strength enterprise data warehouse that integrates and standardizes aggregate- and

individual-level customer data. With individual-level detail, Ranbaxy could more precisely target

mass marketing campaigns, while providing higher quality service to individual suppliers.

Hardware/Software: Ascential DataStage 7.0, Datastage Basic, Erwin, Oracle 9i, SQL, PL/SQL,Toad, Command Center, Shell Scripts, Solaris and Windows 2000.

Responsibilities: Involved in the requirement definition and analysis in support of Data

Warehousing.

Interpreted logical and physical data models for Business users to determine data definitions

and establish referential integrity of the system.

Installed and configured DataStage client and server components, connections with the Oracle

database in Data warehouse using ODBC


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Developed ETL procedures to ensure conformity, compliance with standards and lack of

redundancy, translates business rules and functionality requirements into ETL procedures.

Involved in the implementation of this application, which involved the Extraction,

Transformation, and Loading of data into an Oracle database.

Extensively used DataStage Designer to develop various jobs to extract, cleanse, transform,

integrate and load data into DDD Data mart. Scheduled the parallel jobs using DataStage Director, which is controlled by DataStage



Worked with mainframes to extract some of the source files.

Extensively used DataStage XE Parallel Extender to perform processing of massive data

volumes.

Developed Stored Procedures for complex jobs.

Extensively wrote user defined SQL codes to modify/overwrite generated SQL query in

DataStage.

Worked with DataStage Manager to import/export metadata from database, jobs and routinesbetween DataStage projects.

Used Data stage Director to schedule, monitor, cleanup resources and run the job with several

invocation ids.

Developed user defined Routines and Transforms by using DataStage Basic language.

Responsible for daily verification that all scripts, downloads, and file copies were executed as

planned, troubleshooting any steps that failed, and providing both immediate and long-term

problem resolution.

Wrote SQL, PL/SQL, queries, stored procedures, triggers for implementing business rules and

transformations.

Developed UNIX scripts to automate the Data Load processes to the target Data warehouse.

Insurance Claims Management

Lantech Solutions Ltd

June 2004 to February 2005

ETL Developer

This system monitors and maintains all kinds of insurance claims in different aspects. It validatesand registers the claims and then processes accordingly. This also handles customer transactions

with the company. This keeps track of the transaction history. Also developed couple of reportsfor claims auditing.

Hardware/Software: Data Stage, Oracle 8i, Unix Shell scripts, PL/SQL, SQL and Windows2000.

Responsibilities: Involved in the requirements gathering, analysis to define business and

functional specifications.

Assisted Systems Administrator in DataStage installation and maintenance.


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Maintained Error Logs / Audit Trails.

Enforced data Integrity rules/ Business Rules. Maintaining huge volume of data.

Wrote Unix Shell Scripts to schedule the job.

Involved in the process design documentation of the Data Warehouse Dimensional Upgrades.

PL/SQL procedures to transform data from staging to Data Warehouse Fact and dimensional

tables.

Created various DataStage Hash files.

Applied Performance Tuning logic to optimize session performance.

Wrote SQL scripts to create and drop the indexes that are passed as parameters in the pre &

post sessions.

Performed unit and integration testing.

Software Engineer

ACE Tech International, India

February 2003 to June 2004

The project called IMS (Inventory Management System). The inventory project is designed tomeet the requirements of computerized stores in a company. The system contains five Master

tables, two Transactions and one Report. In Item Master, cost price of an item cannot be greater

than selling price. Vendor code is an automatically generated number by the system using DataAreas. In purchase order placement Master, Quantity supplied should be less then or quality

ordered. Vendor code is got from the existing vendor item table. Required data should always be

ahead of order date, Receipt date should also be entered in the stock master file as date of last

receipt for that item code. The quantity on hand is the receipt quantity plus the already existing

quantity in master and date of last issue for an item comes from issue transactions. Indentquantity is greater than or equal to issue quantity.

Hardware/Software: Oracle 7.x, Visual Basic 6.0, Windows.

Responsibilities: Involved in system analysis, designing data dictionary, development, testing

and implementation

Created Tables and Stored Procedures using Oracle 7.x

Involved in design, development and Testing phase of the project

Acquired data specifications and client requirements.

Designed and developed the VB interfaces.

Arranged ODBC drivers to connect to the Oracle database.

Designed to meet the requirements of computerized stores.

Studied business process and understood core business issues.

Generated invoice reports for customers using Crystal Reports 4.5.

Performed unit code and business function testing.


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Additional Information

Skillset:

IBM DataStage 8.0/7.5/7.1/7.0/6.0, IBM Information Server 8.1, IBM Information Analyzer 8.1Business Objects 5.x, 6.x, Cognos 6.0/7.0/7.1 and Crystal Reports 9.0., AIX, UNIX, Linux, Win

NT/2000, and MS-DOS, Visual Basic 6.0, C,JAVA, PERL, COBOL, and HTML, Oracle11g/10g/9i/8i/8.0/7.3,DB2,Teradata,SQL server2008/2005, Developer2000, MS-Access 2000,TOAD 6.3, Altova Mapforce, Erwin 4.0, Autosys.

Projects Summary:

Emblem Health, NY 5/2008- Present


EmblemHealth is set on being the mark of good health in the Northeast. The not-for-profit

company provides health insurance through subsidiaries Group Health Incorporated (GHI) andthe Health Insurance Plan of Greater New York (HIP). Collectively, the two health insurers

cover some 4 million New Yorkers, primarily state government and New York Cityemployees.GHI and HIP joined together under the EmblemHealth banner in 2006.The main purpose of project was to build claim data mart for life insurance claims,dental

claims,QCARE and PPO claims.The collected information will used for claims approval or

rejection.Hardware/Software:

IBM Information Server 8.1, IBM Information Analyzer 8.1 IBM Data Stage 8.1 (Designer,

Manager, Director), Erwin 4.1, Windows XP, Unix Shell scripting, TOAD 8.1, Oracle 10g ,MSSQL server ,flat files, xml files, Autosys, cognos.

Responsibilities:

Identified business needs, evaluated business and technical alternatives, recommendedsolutions and participated in their implementation.

Requirement gathering and business analysis by attending requirement.

Used DataStage Designer to create the table definitions for the CSV and flat files, import the

table definitions into the repository, import and export the projects, release and package the jobs.

Developed ETL processes to extract the source data and load it into the enterprise-wide data

warehouse after cleansing, transforming and integrating.

Imported metadata from repository, created new job categories, routines and data elements.

Designed and developed jobs using DataStage Designer as per the mapping specifications

using appropriate stages.

Used Perl for file parsing for loading into destination. Created JIL files for Datastage jobs entry in Autosys.

Worked extensively With AutoSys for scheduling Jobs,Provided Production support for

AutoSys.

Worked HP Quality Center to resolved Data related defects.

Used Unix Script to copy files from Development Server to Production Server for testing

Datastage jobs.


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Worked with Unix admin to resolved datastage bug related error.

Developed job sequences to execute a set of jobs with restart ability, check points and

implemented proper failure actions

Wrote UNIX shell scripts to read parameters from files for invoking DataStage jobs.

Created source to target mapping and job design documents from staging area to Data

Warehouse. Used DataStage Director and its run-time engine to schedule running the solution, testing and

debugging its components, and monitoring the resulting executable versions (on an ad hoc or

scheduled basis).

Worked on troubleshooting, performance tuning, performance monitoring and enhancement

of DataStage jobs.

Wrote several complex SQL queries to extensively test the ETL process.

Provided production support and performed enhancement on existing multiple projects.

Worked with Autosys for setting up production job cycles for daily, weekly monthly loads

with proper dependencies.

Performed unit testing and system integration testing in dev and UAT environments.

Wells Fargo, St. Louis, MO 6/2007 - 5/2008

ETL Developer

Wells Fargo &co. is diversified financial services company with operations around world. Wells

Fargo is fourth largest bank in US. The aim of project was to migrate jobs from datastage 7.5 todatastage 8.0 and provide required data to production team for managing the enterprise sales data

warehouse, which contained the information about the products, business, customers.

Hardware/Software:Data Stage 8.0(Parallel Extender EE and Server Edition (7.5.1)), Quality Stage, Teradata , Oracle

10g, Cognos, PL/SQL, Sun Solaris 5.8,ALTOVA MAPFORCE, TOAD 9.1, Unix Shell

scripting,.

Responsibilities:

Involved in Analysis, Requirements gathering, function/technical specification, development,

deploying and testing.

Created snapshot for the transactional tables in distributed databases.

Analyzed existing legacy data source and extracted data from it using Datastage.

Involved in critical multiple instance datastage jobs which will send the outbound files for

different Lobs (line of business) at the same time and monitored the jobs accordingly.



Used ALTOVA Mapforce Tool to do mapping between source and destination XML and

CSV files and exported table definition using datastage director.


Extensively used Parallel Stages like Join, Merge, Lookup, Filter, Aggregator, Modify, Copy,

Sort, Funnel, Change Data Capture, Remove Duplicates, Surrogate key Generator, Row

Generator, Column Generator, and Peek for development and de-bugging purposes

Used DataStage Manager to Import and Export DataStage components and Import table


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definitions from source databases.

Used the Folder stage and RTI stage to extract data from .xml type files and load into Oracle

database.

Execute Backend Testing application by writing complex SQL Queries.

Involved in the design, development and testing of the PL/SQL stored procedures, packages

and triggers for the ETL processes.Wrote SQL scripts to create and drop the indexes those are passes as parameters in the pre &

post sessions.

Removed errors while migrating jobs from datastage 7.5 to 8.0.

Developed shell scripts for job scheduling and logging.

Involved in performance tuning of SQL queries by providing hints, obtaining Explain Plan,

Analyzing tables and adding indexes.

Involved in full integration test and code reviews of all jobs within each sequence before

migrating the jobs and sequencers from the Development environment (Dev) to the QA

environment, and from the QA environment to the Production environment.

Merck and Co, Inc, Rahway, NJ 4/2006 - 6/2007

ETL Developer

Merck and co. Inc is one of largest pharmaceuticals companies in world having head quarters inWhitehouse station. The main functionality of the Monitor project was to do the performance

analysis of the marketing campaigns launched by Merck. The project assisted the Marketing

department to keep track of the money invested in the campaigns and keep a check of the flow ofmoney by monitoring the quality of marketing in the project. The primary responsibility

included, creating DataStage jobs to extract data from 4 different databases namely: consumer

products, prescription products, vaccines and veterinarian medicine database then transform and

load data into data marts.Hardware/Software:

Ascential Datastage 7.x (Designer, Administrator, Director and Manager), flat files,MS

sqlserver,Sybase,Information analyzer, Oracle 9i, PL/SQL, Unix Shell scripts, TOAD,SQL*Loader, UNIX AIX and Metastage.

Responsibilities:

Created numerous project functional and scope document for ETL processes.

Requirement gathering, business analysis and project coordination was developed with

business analyst and database administrator.

Created various parallel jobs from 4 primary databases consumer, prescription, vaccine and

veterinarian joined tables into target master sales database by creating data marts into target

destination from source databases. Identified and documented data sources and transformation rules required to maintain data

warehouse.

Developed several parallel jobs to load data from sequential files, flat files MS SQL Server

and oracle 9i.

Used metastases to import and export table definition which shared by multiple users.

Used information analyzer to perform primary key, foreign key and cross domain analysis.


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Used different stages in datastage designer like aggregator, join, look up, merge, join to

design jobs.

Used job sequencer to design various dependent jobs.

Performed job tuning of datastage job.

Involved in unit, system integration testing and moved jobs from development environment to

production environment using datastage administrator. Used TOAD for writing SQL routines and functions.

Used Unix shell scripting for file manipulation.

Ranbaxy Pharmaceutical, NJ 2/2005 - 3/2006

Analytics Enablement

ETL Consultant

Ranbaxy pharmaceuticals limited us Indian largest pharmaceuticals and export product in morethan 125 countries.

Drug Distribution Data (DDD) mart, which is used to track sales activity for every major

distribution channel, including hospitals, clinics, mail service, major retail food stores and

chains, mass merchandisers and independent pharmacies. Requirement was to develop anindustrial-strength enterprise data warehouse that integrates and standardizes aggregate- and

individual-level customer data. With individual-level detail, Ranbaxy could more precisely target

mass marketing campaigns, while providing higher quality service to individual suppliers.Hardware/Software:

Ascential DataStage 7.0, Datastage Basic, Erwin, Oracle 9i, SQL, PL/SQL, Toad, Command

Center, Shell Scripts, Solaris and Windows 2000.

Responsibilities:

Involved in the requirement definition and analysis in support of Data Warehousing.

Interpreted logical and physical data models for Business users to determine data definitions

and establish referential integrity of the system.

Installed and configured DataStage client and server components, connections with the Oracle

database in Data warehouse using ODBC

Developed ETL procedures to ensure conformity, compliance with standards and lack of

redundancy, translates business rules and functionality requirements into ETL procedures.

Involved in the implementation of this application, which involved the Extraction,

Transformation, and Loading of data into an Oracle database.

Extensively used DataStage Designer to develop various jobs to extract, cleanse, transform,

integrate and load data into DDD Data mart.


engine and also for monitoring and performance statistics of each stage. Created Error Tables containing data with discrepancies to analyze and re-process the data.

Worked with mainframes to extract some of the source files.

Extensively used DataStage XE Parallel Extender to perform processing of massive data

volumes.

Developed Stored Procedures for complex jobs.

Extensively wrote user defined SQL codes to modify/overwrite generated SQL query in


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DataStage.

Worked with DataStage Manager to import/export metadata from database, jobs and routines

between DataStage projects.

Used Data stage Director to schedule, monitor, cleanup resources and run the job with several

invocation ids.

Developed user defined Routines and Transforms by using DataStage Basic language. Responsible for daily verification that all scripts, downloads, and file copies were executed as

planned, troubleshooting any steps that failed, and providing both immediate and long-term

problem resolution.

Wrote SQL, PL/SQL, queries, stored procedures, triggers for implementing business rules and

transformations.

Developed UNIX scripts to automate the Data Load processes to the target Data warehouse.

Lantech Solutions Ltd, India 6/2004 -2/2005

Insurance Claims Management

ETL Developer

This system monitors and maintains all kinds of insurance claims in different aspects. It validatesand registers the claims and then processes accordingly. This also handles customer transactions

with the company. This keeps track of the transaction history. Also developed couple of reports

for claims auditing.Hardware/Software:

Data Stage, Oracle 8i, Unix Shell scripts, PL/SQL, SQL and Windows 2000.

Responsibilities:

Involved in the requirements gathering, analysis to define business and functional

specifications.

Assisted Systems Administrator in DataStage installation and maintenance.

Maintained Error Logs / Audit Trails.

Enforced data Integrity rules/ Business Rules. Maintaining huge volume of data.

Wrote Unix Shell Scripts to schedule the job.

Involved in the process design documentation of the Data Warehouse Dimensional Upgrades.

PL/SQL procedures to transform data from staging to Data Warehouse Fact and dimensional

tables.

Created various DataStage Hash files.

Applied Performance Tuning logic to optimize session performance.

Wrote SQL scripts to create and drop the indexes that are passed as parameters in the pre &

post sessions.

Performed unit and integration testing.

ACE Tech International, India 2/2003 - 6/2004

Inventory Management System

Software EngineerThe project called IMS (Inventory Management System). The inventory project is designed to

meet the requirements of computerized stores in a company. The system contains five Master


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tables, two Transactions and one Report. In Item Master, cost price of an item cannot be greater

than selling price. Vendor code is an automatically generated number by the system using Data

Areas. In purchase order placement Master, Quantity supplied should be less then or qualityordered. Vendor code is got from the existing vendor item table. Required data should always be

ahead of order date, Receipt date should also be entered in the stock master file as date of last

receipt for that item code. The quantity on hand is the receipt quantity plus the already existingquantity in master and date of last issue for an item comes from issue transactions. Indentquantity is greater than or equal to issue quantity.

Hardware/Software:

Oracle 7.x, Visual Basic 6.0, Windows.

Responsibilities:

Involved in system analysis, designing data dictionary, development, testing and

implementation

Created Tables and Stored Procedures using Oracle 7.x

Involved in design, development and Testing phase of the project

Acquired data specifications and client requirements. Designed and developed the VB interfaces.

Arranged ODBC drivers to connect to the Oracle database.

Designed to meet the requirements of computerized stores.

Studied business process and understood core business issues.

Generated invoice reports for customers using Crystal Reports 4.5.

Performed unit code and business function testing.

Reume for ETL Developer (Data Stage)Reume for ETL Developer (Data Stage)

Name :

Professional Summary :


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Overall 3.2 years of total IT experience out of which 2+ years of experience as ETL

Developer using DataStage Parallel Extender and 1 year experience as SAS

programmer.

Involved in performance tuning of DataStage jobs at stage level , buffer level.

Applied multiple lookups using lookup file set.

Used DS manager for nodes creation and dataset management.

Good knowledge in data warehouse concepts like Star Schema, Snow Flake,

Dimension and Fact tables

Implemented Local containers for same job and shared containers for multiple jobs,

which have the same business logic.

Good domain knowledge in Finance.

Worked with Delta data.

Performed various activities like import and export of Data Stage Projects.

Unit Testing & Integration testing

Good Knowledge in Oracle9i

Skill Set

ETL Tools : DataStage 7.5 , Datastage 7.5x2

Operating Systems : MS-DOS, Windows-98/2000/NT/XP, Unix.


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Database : Oracle 8i, MS-Access, SQL Server 2000.

Languages : SAS 8.0(Base SAS, SAS Access, SAS STAT,SAS EG3.0 )

Designing Tools : HTML, Java Script, XML

Education

MCA with First Class from Acharya Nagarjuna University

Experience Summary

Working as a ETL DeveloperCompany : Satyam Computers, Secunderabad

Duration : Feb 2006 to Till Date.


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Worked as a SAS ProgrammerCompamny : SLG Technologies., Bangalore

Duration : Dec 2004 to January 2006.

Professional Experience

Projects

#1Name : IBS Oct 2007 Till Date

Client : RBC

Team Size : 5

Environment : DataStage7.5X2, Oracle 9i,Unix and Windows 2003.

Description:

Royal Bank of Canada has 70,000 full-and part-time employees serving 15 million

clients through offices in North America and 34 countries around the world, RBC offers a

full range of financial products and services of personal and commercial banking,

wealth management services, insurance, corporate and investment banking and

transactions processing services on a global basis . The objective of this project is to

design and maintain a complete data warehouse system for Royal Bank management.

This Project is to provide different reports and support adhoc queries for making

intelligent banking decisions based on data available in various branches across the

country collected over a period of time. The activities of the project ranged from data

extraction, staging and loading into data warehouse through Datastage to developing

end users.


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Contribution:As an ETL Developer

Used the transformations like Lookup, Filter, Aggregator, transformer in thedevelopment of data stage jobs

Develop and implement strategies for performance tuning Used Sequential file, Oracle Enterprise, fileset, datasets, change capture, filter

stage for designing the jobs in the DataStage Designer.

Used Data Stage Director for running and monitoring & scheduling the jobs. Worked with Data Stage Manager for Export & Import Jobs. Involved in Unit Testing and integration testing.

#2 Name : EDW for General Motors Dec 2006 Sep

2007

Client : General Motors

Team Size : 6

Environment : DataStage7.5X2, Oracle 9i,Unix and Windows 2003.

Description:

GM is the major manufacturer of motor vehicles. The main objective of the

project is to outsource the Strategy, Design, Development, Coding, Testing, Deploymentand Maintenance of the Enterprise Data warehouse. This Project would cover the

subject areas such as Vehicle Product Offering (VPO), Volume Mix Rates (VMR), Posts

Structure Cost (PSC), and Account for Production Material (APM) and Control Vehicle

Financials (CVF). Data from various source systems is gathered into a staging

area, where data is cleansed and then finally moved into an Enterprise Data


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warehouse Database. Data Stage 7.5x2 is used for extracting data from various Sources

to Staging area; Staging area to DW. Business Objects is used as the reporting tool.

Contribution:As an ETL Developer

Mapping Documents, ETL Job Scheduling and maintenance documents.

Performed import and export of Data Stage Jobs using DS Manager.

Creating jobs involving Aggregator, transformer Stages

Creating reusable comp