Professional Summary

§ 7+ years of professional experience in warehouse project and ETL/MDM with Talend and Informatica.

§ Hands on experience in Talend MDM for creating data model, data container, views and workflows.

§ Used different components in talend MDM like tMDMInput, tMDMOutput, tFilterRow.

§ Created complex mappings in Talend 5.2.2 using tMap, tJoin, tReplicate, tParallelize, tJava, tJavaFlex, tAggregateRow, tDie, tWarn, tLogCatcher, etc.

§ Used tStatsCatcher, tDie, tLogRow to create a generic joblet to store processing stats.

§ Created Talend Mappings to populate the data into dimensions and fact tables.

§ Broad design, development and testing experience with Talend Integration Suite & Talend MDM and knowledge in Performance Tuning of mappings.

§ Proficient in supporting Data warehouse ETL activities using queries and functionalities of SQL, PL/SQL,SQL*Loader and SQL * Plus. Solid experience in implementing complex business rules by creating re-usable transformations and robust mappings/mapplets using various transformations like Unconnected and Connected lookups, Source Qualifier, Router, Filter, Expression, Aggregator, Joiner, Update Strategy etc.

§ Talend Platform Setup on Windows and Linux.

§ Experience in working on Talend Administration Activities and Talend Data Integration ETL Tool.

§ Highly experienced in row and column oriented databases  and also experienced in SQL performance tuning and debugging of existing ETL process

§ Familiar with design and implementation of the Data Warehouse life cycle and excellent knowledge on entity-relationship/multidimensional modeling (star schema, snowflake schema).

§ System design architecture, Data ware house design, ingestion

§ Development of staging, Data warehouse scripts and deployment.

§ Experience on MySQL Database and Teradata Administration on Linux and Windows.

§ Experience on MSSQL Server Database  Development and Administration

§ Coordination with Offshore team, providing them guidance and clarifications related to reports, underlying queries

§ Experience in analysis, design, and development using Amazon Redshift.

§ Extensive expertise in Data Warehousing, ETL design and development process using Talend and Informatica Power center.

§ Datamart and Power Center and informatica-IDQ (Source Analyzer, Data Warehousing Designer, Mapping Designer, Mapplet, Transformations).

§ Experience on Teradata development and performance tuning.

§ Perform validation check and deployment of reports to customer’s staging environment.

§ Experience on Design, Installation, Creation, Maintenance of Databases, Performance Tuning.

§ Backup and Recovery, Optimization and Database Security.

§ Experience working with Healthcare EDI 834.

§ Hands on Experience with Talend Data Integration Etl Tool.

§ Strong background in row and column oriented data bases and highly experienced in PL/SQL. performance tuning and debugging of existing ETL process

§ Experience in troubleshooting and handling production duties

§ Experience in Data quality profiling.

 

Skills

 

Languages: C#, Java, C/ C++, HTML, SQL, PLSQL

Databases: Oracle 11G, SQL Server2008/ 2012, Mongo DB, Amazon Redshift,

                                                             MySQL, MDM, Teradata.

Tools:    Talend 5.4.1, Talend MDM,  Informatica 9.1/8.6/8.1/7.1/6.1

                                                              Informatica-IDQ      SQL Navigator, TOAD, Eclipse, Jasper Studio 5.5,

                                                             Jasper Server 5.5

 

Operating Systems: Windows, Linux, Solaris

Web Technologies                         : HTML, CSS, Java Script, Macromedia Dreamweaver

Reporting Tools                              : Business Objects 6.5/6.1, Crystal Reports

Middleware: Web Services, Talend SOA, Oracle SOA

Industry Verticals: Retail, Manufacturing, Healthcare, telecom

Education

 

Education:

Bachelor of Science – JNTU University Hyderabad, Major: Computer Science

 

Employment History

·         Bank of America --- ETL Developer Aug 2014-Till Date

·   Commonwealth Care Alliance – ETL Developer – May 2013-July 2014

·   Comcast,Philadelphia,PA – ETL Developer – Jun2012- May 2013

·   Cardinal Health Care, Dublin, OH – ETL Engineer – Mar 2011- May 2012

·   National City Bank, Georgia-- Data Warehouse Developer- April 2009-Jan2011

·   Global Union Bank, India-- ETL Developer- Feb 2006-Mar2009

 

Project Details

Bank of America Charlotte, NC                                                                                   Aug 2014-Till date

ETL Developer

 

Developed to enhance the frequency, quality, and accuracy of global customer metrics for senior

management review. The project involves implementation of the EIM system to further analyze and

streamline the customer incentive programs and establish these metrics as KPIs for improving and

diversifying customer base

 

Responsibilities

•    Analyzed business requirements to design, develop, and implement highly efficient, highly scalable

       Informatica ETL processes.

•     Worked closely with architects and data analysts to ensure the ETL solution meets business

        requirements.

•     Interacted with key users and assisted them with various data issues, understood data needs and

        assisted them with data analysis.

•   Involved in Documentation, including source-to-target mappings and business-driven transformation    rules.

•     Designed mappings that loaded data from flat-files to the staging tables.

•     Involved in designing the end-to-end data flow in a mapping.

•     Designed, developed and implemented scalable processes for capturing incremental load.

•      Used a wide range of transformations such as the Source qualifier, Aggregator, Expression, lookup,

       Router, Filter, Sequence Generator, Update Strategy and Union Transformations.

•    Used FTP connection to store, stage and archive Flat Files.

•     Developed structures to support the front end Business Objects reports.

•     Extensively worked with Repository Manager, Designer, Workflow Manager and Workflow Monitor.

      Developed Informatica mappings, sessions and workflows.

•   Developed and executed test plans to ensure that the ETL process fulfills data requirements.

•    Worked with required Support Teams on High Critical Bridge for any Prod issues.

•    Involved in tuning Informatica Mappings and Sessions as well as tuning at the database level.

•    Participated in peer-to-peer code review meetings.

•    Data warehouse design integration and development of staging, data warehouse scripts and

     deployment.

•  Writing specifications for ETL process( wholesale product, retail products, mortgage product, traded

      product)

•   Loading data into staging from various platforms by using informatica power center tool.

•    Perform validation check and deployment of report to customer’s staging environment client.

•     Validating customer requirements, performing analysis.

 

Environment: informatica power center 9.5.1,Talend open studio, Netezza, Teradeta, UNIX

 

Commonwealth Care Alliance, BOSTON, MA                                                 May 2013-July 2014

Role:  Talend ETL/MDM Developer

 

The client is into the Health and Medical care vertical. The prime responsibility of the team is to develop a Patient Care Data Warehouse (PCDW).This data warehouse is used to access easily the detailed clinical data on a platform and also to facilitate the enterprise-wide data analysis within the health care environment. Developed jobs in Talend ETL and MDM and migrated the existing jobs from Informatica.

 

Responsibilities:

·                      Designed and developed a new ETL process to extract and load Vendors from Legacy System to MDM by using the Talend Jobs.

·                      Talend MDM 5.1.1.Designed and developed the Business Rules and workflow system.

·                      Developed Talend ETL jobs to push the data into Talend MDM and develop the jobs to extract the data from MDM.

·                      Developed data validation rule in the Talend MDM to confirm the golden record.

·                      Developed data matching/linking rules to standarize the record in Talend MDM.

·                      Writing specifications for ETL processes.

·                      Installation and configuration of MySQL database servers and Amazon Redshift.

·                      Experience in Talend MDM for functionality integration and creating data model, data container, views and workflows.

·                      Developed mappings to load Fact and Dimension tables, SCD Type 1 and SCD Type 2 dimensions and Incremental loading and unit tested the mappings.

·                      Rolled out documentation for the ETL Process, early Data Inventory, and Data Profiling

·                      Implementing Data Integration process with Talend Integration Suite 3.2/4.2./5.1.2/5.2.2

·                      Designing, developing and deploying end-to-end Data Integration solution.

·                      Used different components in talend like tmap, tmssqlinput, tmssqloutput, tfiledelimitede, tfileoutputdelimited, tmssqloutputbulkexec, tunique, tFlowToIterate, tintervalmatch, tlogcatcher, tflowmetercatcher, tfilelist, taggregate, tsort, tMDMInput, tMDMOutput, tFilterRow.

·                      System design architecture, Data ware house design, ingestion

·                      Development of staging, Data warehouse scripts and deployment

·                      Led a team of 5 developers working on BI reports, one UI specialist

·                      Coordinated with onsite and Offshore team located in India

·                      Extensively worked on Data Mart Schema Design.

·                      Developing the ETL mappings for XML, .csv, .txt sources and also loading the data from these sources into relational tables with Talend ETL

·                      Extensively worked on Data Mart Schema Design.

·                      Working with Healthcare EDI 834.

·                      Backup / Restore of databases and Writing Complex Queries

·                      Experience on Teradata development and performance tuning.

·                      Analysis, design, development using Amazon Redshift.

·                      Used efficient optimization techniques to design ETL Scripts.

·                      Loaded data into Infobright using Talend, FastLoad, MultiLoad, and shell scripts.

·                      Validating customer requirements, performing analysis to fit in the Jasper reports framework

·                      Design of Jasper embedded report components to embed them into customer’s application

·                      Development of Jaspersoft reports, dash boards UI components, writing complex queries to support the interactive reporting logic

·                      Development of reports using various chart types

·                      Coordination with Offshore team, providing them guidance and clarifications related to reports,underlying queries

·                      Perform validation check and deployment of reports to customer’s staging environment

 

Environment: Talend Integration Suite 5.4.1, Talend MDM, Informatica Power enter 9.1, Informatica-IDQ, , Oracle JDE 9.1, Microsoft SQL Server 2008, Oracle 9i,Teradata, DB2, TIBCO, Robot Scheduler, Windows XP, Flat Files.

 

 

 

 

 

 

 

 

 

Comcast, Philadelphia, PA Jun2012- May 2013

Role:  ETL Developer

 

This project is for Comcast, which is mainly an Internet and Telephone service provider. As a part of the IT team I was responsible for Migration as well as Integration for few modules such as their Accounting and Internet division. I was involved very closely from gathering the requirement, developing, testing and providing the data to users. Developed migration jobs from Informatica to Talend.

 

Responsibilities:

·                      Developed Talend ETL jobs to push the data into Talend MDM and develop the jobs to extract the data from MDM.

·                      Designed and developed a new ETL process to extract and load Vendors from Legacy System to MDM by using the Talend Jobs.

·                      Talend MDM 5.1.1.Designed and developed the Business Rules and workflow system.

·                      Developed data validation rule in the Talend MDM to confirm the golden record.

·                      Developed data matching/linking rules to standarize the record in Talend MDM.

·                      Writing specifications for ETL processes.

·                      Installation and configuration of MySQL database servers and Amazon Redshift.

·                      Experience in Talend MDM for functionality integration and creating data model, data container, views and workflows.

·                      Developed mappings to load Fact and Dimension tables, SCD Type 1 and SCD Type 2 dimensions and Incremental loading and unit tested the mappings.

·                      Rolled out documentation for the ETL Process, early Data Inventory, and Data Profiling

·                      Implementing Data Integration process with Talend Integration Suite 3.2/4.2./5.1.2/5.2.2

·                      Designing, developing and deploying end-to-end Data Integration solution.

·                      Used different components in talend like tmap, tmssqlinput, tmssqloutput, tfiledelimitede, tfileoutputdelimited, tmssqloutputbulkexec, tunique, tFlowToIterate, tintervalmatch, tlogcatcher, tflowmetercatcher, tfilelist, taggregate, tsort, tMDMInput, tMDMOutput, tFilterRow.

·                      System design architecture, Data ware house design, ingestion

·                      Development of staging, Data warehouse scripts and deployment

·                      Writing specifications for ETL processes

·                      Validating customer requirements, performing analysis to fit in the Jasper reports framework

·                      Design of Jasper embedded report components to embed them into customer’s application

·                      Perform validation check and deployment of reports to customer’s staging environment

·                      System design architecture, Data ware house design, ingestion

·                      Development of staging, Data warehouse scripts and deployment

·                      Installation and configuration of MySQL database servers.

·                      Good experience in T-SQL  Querry.

·                      Loaded data into Infobright using Talend, Fast Load, and Multi Load.

·                      Experience on Teradata development and performance tuning.

·                      Worked on Star Join Schema Modeling, Snow Flake Modeling

·                      Worked closely with the source team and users to validate the accuracy of the mapped   attributes.

·                      Monitoring System Performance.

·                      Writing SQL code and code review for evaluating the data quality.

·                      I have good experience in Jquery and java development with iway concept.

·                      Unit tested the developed ETL scripts, created test SQLs, and handled UAT issues

·                      Backup / Restore of databases and Monitoring System Performance

·                      Good working experience in MDM Developer and Rolled out documentation for the ETL Process, early Data Inventory, and Data Profiling

Environment: Talend MDM, Talend Integration Suite 4.1, Informatica PowerCenter 8.6.1, Oracle 11g,Teradata, UNIX Shell, PL/SQL, SQL * Plus, SQL * Loader, TOAD, Windows, UNIX, XML, flat files

 

 

Cardinal Health Care, Dublin, OH Mar 2011- May 2012

Role:  ETL Engineer

 

The client is into the Health and Medical care vertical. The prime responsibility of the team is to develop a Patient Care Data Warehouse (PCDW).This data warehouse is used to access easily the detailed clinical data on a platform and also to facilitate the enterprise-wide data analysis within the health care environment. The PCDW is up and running with incremental growth starting from 20 Terabytes of data

Responsibilities:

·                      Implementing Data Integration process with Talend Integration Suite 3.2/4.2./5.1.2/5.2.2

·                      Designing, developing and deploying end-to-end Data Integration solution.

·                      Used different components in talend like tmap, tmssqlinput, tmssqloutput, tfiledelimitede, tfileoutputdelimited, tmssqloutputbulkexec, tunique, tFlowToIterate, tintervalmatch, tlogcatcher, tflowmetercatcher, tfilelist, taggregate, tsort, tMDMInput, tMDMOutput, tFilterRow.

·                      System design architecture, Data ware house design, ingestion

·                      Development of staging, Data warehouse scripts and deployment

·                      Validating customer requirements, performing analysis to fit in the Jasper reports framework

·                      Design of Jasper embedded report components to embed them into customer’s application

·                      Perform validation check and deployment of reports to customer’s staging environment

·                      Created Talend & Informatica mappings for initial load and daily updates and also involved in the ETL migration jobs from Infromatica to Talend.

·                      Developed several mappings (Source Qualifier, Lookup, Filter, Joiner, Aggregate, Sequence

Generator, Expression, Lookup, Router, Normalizer, and Update Strategy) to load data from multiple sources to data warehouse.

 

Environment: Talend Integration Suite 4.0, Informatica 8.6.1, Oracle 11g, SQL Developer Client, SQL Server 2008/2005, Serena  ChangeMan Dimensions Desktop Client 3.1.3.3, HP Quality Center

 

 

National City Bank, GeorgiaApril 2009-Jan2011

Role: Data Warehouse Developer 

 

This project was to implement an Enterprise Data Warehouse (EDW) by means of integrating data from different feeder system situated across various locations into a central repository of business information. The EDW provides quick access to data to enable a more informative decision making process.

 

Responsibilities:

·                      System design architecture, Data ware house design, ingestion

·                      Development of staging, Data warehouse scripts and deployment

·                      Writing specifications for ETL processes

·                      Validating customer requirements, performing analysis to fit in the Jasper reports framework

·                      Design of Jasper embedded report components to embed them into customer’s application

·                      Development of Jaspersoft reports, dash boards UI components, writing complex queries to support the interactive reporting logic

·                      Development of reports using various chart types

·                      Coordination with Offshore team, providing them guidance and clarifications related to reports, underlying queries

·                      Perform validation check and deployment of reports to customer’s staging environment Client, Business objects.

 

Environment: Informatica Power Center 8.6.1, Oracle 10g, PL/SQL,TOAD, XML Files, Unix, F-Secure, SVN, SSH

 

 

 

Global Union Bank, IndiaFeb 2006-Mar2009

Role: ETL Developer

 

The system provides online banking to its customers like money withdrawal, fund transfers between accounts and loans etc. The system aims at integrating data scattered in many legacy systems and presenting a centralized data warehouse interface

 

Responsibilities:

· Involved in the product performance Turing right from the inception to installation on production servers.

· Installation and configuration of MySQL database servers.

· Backup / Restore of databases.

· Involved  in 64 bit environment compatibility verification

· The job requirements included installation of the product right from the OS to the product including Apache, Tomcat, and Databases.

· Was involved in smoke testing, integration testing, load tests, performance testing, writing and executing test cases, and preparing bug reports.

Environment: Informatica 7.1.4, Oracle, MS SQL, UNIX, Windows XP, TOAD