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VenkataSubbaReddy gvenkat9bi@gmail.com 84359892
Professional Summary:
 5 plus years of IT industry experience in System Development Life Cycle (SDLC) from gathering
requirements to Developing, Testing, Implementation and Analysis for Decision Support System.
 Experience with ETL Informatica Power Center.
 I have knowledge on OBIEE reporting tool
 Strong Experience in creation of Repository and generation of Business Reports using OBIEE.
 Worked Extensively on Oracle BI Administration Tool / Presentation Services, Answers & Interactive
Dashboards and Security Implementation.
 Strong in Business Model development with Dimensions, Hierarchies, Measures, Aggregation Rules, Time
Series, Caching.
 Good knowledge in Data Warehousing Concepts.
 Extensively Worked on Informatica Designer Components - Source Analyzer, Warehousing Designer,
Transformations Developer, Mapplet and Mapping Designer.
 Vast experience in designing and developing complex mappings from varied transformation logics .
 Like Unconnected and Connected lookups, Router, Filter, Expression, Aggregator, Joiner, Update Strategy.
 Involved in performance tuning by identifying the bottlenecks either at source, target, mapping, session or
transformation.
 Sound knowledge of RDBMS concepts, with hands on exposure in the development of relational database
environment using SQL, PL/SQL.
 Knowledge with UNIX Shell Scripting.
 Excellent interpersonal, analytical skills, communication skills, self-motivated, quick learner, team player,
and leadership abilities.
Work Experience:
 Working as ETL developer in Saksoft Limited, Singapore from October 2014 to till date.
 Worked as ETL developer in Saksoft Limited, Chennai from April 2013 to October 2014.
 Worked as software engineer for Yash Technologies, Bangalore from 2010 to March 2013.
Education:
 I have done B.Tech in Computer Science from JNTU University, in 2010.
Technical Skills:
RDBMS Oracle 10g,AS400
ETL Tools Informatica
Reporting tools OBIEE
Operating
Systems
UNIX, Windows 2007
Tools TOAD, Control M,R2Web,Sql Developer,JIRA,Visio
Languages/
Utilities
SQL, PL/SQL, Unix shell scripts, C, java
● WORK EXPERIENCE
Project: 6
Title : UOBI BB B-Score (Business Banking Behavior Score Card)
Client : UOB, Singapore.
Duration : June 2015 – Till date
Role : ETL Developer
Domain : Banking Domain
Project Description:
UOB Indonesia Business Banking Behavior Score Card will be used to assist the evaluation the risk profile of
Existing business banking customers and calculate the capital requirement of business banking portfolio.
Responsibilities:
 Responsible in gathering Requirements and review. Interacted with Business Users in the design of technical
specification documents.
 Involved in creating logical and physical data models using MS Visio based on business requirements.
 Successfully Loaded Data into different targets from various source systems like Oracle Database, Flat files,
AS400 etc into the Staging table and then to the target database AS400.
 Developed various Mappings, Mapplets, and Transformations for data mart.
 Used various transformations like Stored Procedure, Connected and Unconnected lookups, Update Strategy,
Filter transformation, Joiner transformations to implement complex business logic.
 Used Informatica Workflow Manager to create workflows, database connections, sessions and batches to run
the mappings.
 Used Variables and Parameters in the mappings to pass the values between mappings and sessions.
 Responsible for monitoring all the sessions that are running, scheduled, completed and failed. Debugged the
mapping of the failed session.
 Mapplets and Reusable Transformations were used to prevent redundancy of transformation usage and
modularity.
 Written documentation to describe program development, logic, coding, testing, changes and corrections.
 Within specified time, projects are delivered making sure all the requirements gathering, business analysis
and designing of the data marts.
 Involved in Unit and Integration testing of Mappings and sessions.
 Prepared ETL mapping specification document.
 Assisted Testing team in creating test plan and test cases.
Project: 5
Title : FATCA (Foreign Account Tax Compliance Act)
Client : UOB, Singapore.
Duration : October 2014 – June 2015
Role : ETL Developer
Domain : Banking Domain
Project Description:
FATCA is acts introduced by US in 2010 to address the perceived tax abuse by US person through the use
of offshore accounts. Governments have signed Intergovernmental Agreement (IGA) with US Government.
As part of FATCA compliance, UOB will have to generate FATCA XML data file, to be submitted
electronically to US IRS (US Tax Authority), for all financial accounts for US reportable customers
(Individuals/Entities).Thus UOB require FATCA reporting solution to be setup to address the FATCA reporting
requirements. As part of FATCA we designed a FATCA data mart to achieve the requirements by using Informatica
ETL tool.
Responsibilities:
 Involved in requirement Gathering and analysis of source data as data comes in from different Source
systems.
 Extracted data from Oracle, Flat files and loaded into Data warehouse.
 Prepared various mappings to load the data into different stages like Landing, Staging and Target tables.
 Used Informatica Designer to create complex mappings using different transformations like filter, router,
lookups, stored procedure, joiner, update strategy, expression and aggregator transformations to pipeline
data to Data Warehouse/Data Marts.
 Involved in Various testing phases like SIT and UAT.
 Involved in the Defect analysis call for UAT environment along with users to understand the data and to
make any modifications if suggested by the user.
 Involved in the Deployment of code from SIT to UAT
Project: 4
Title : EDW (Enterprise Data warehouse)
Client : WellPoint EDW, USA.
Duration : Apr 2013 – Oct 2014
Role : ETL Developer
Domain : Health Insurance
Project Description:
WellPoint Information Management (IM) department is responsible for the consolidation of a number
of regional data warehouses into a single Enterprise Data Warehouse (EDW) for centralized reporting called
EDWARD. WellPoint then plans to decommission its regional data warehouses and Edward will become Well Point’s
“single version of the truth” for all users to access. The Liberty Dental system will be one of the data sources to be
sourced to the EDW.
The direct sourcing of Liberty Dental claims data is part of the decommissioning effort of the NY
Empire data warehouse (also known as NY ADW or WADW), Central region DW (CRDW) and Dental DW (DDW)
in favor of EDWard.
Responsibilities:
 Extracted data from Oracle, Flat files and loaded into Data warehouse.
 Translated business requirements to designs and developed Informatica mappings/workflows.
 Used Source Analyzer and Warehouse Designer to import source and target database schemas and
Mapping Designer to map sources to target.
 Used Informatica Designer to create complex mappings using different transformations like filter, router,
lookups, stored procedure, joiner, update strategy, expression and aggregator transformations to pipeline
data to Data Warehouse/Data Marts.
 Developed complex mappings in Informatica to load the data from various sources using different
transformations like Look up (connected and unconnected).
Project: 3
Customer : Tektronix Energy Systems Inc., U.S.A
Project Name : Sales Information System.
Industry : Retail
Role : Developer
Project Description:
Tektronix Energy Systems is a manufacturing company of Generators, Power Cables and Engines.
They sell throughout the world with primary markets being North America, Europe, Austria and United Kingdom. The
Data warehouse is constructed to stage the Sales & Distribution and Inventory related data to extract and populate the
warehouse, we used Informatica with various mappings and or analysis and report generation used OBIEE.
Responsibilities: s
 Developed ETL mappings, transformations using Informatica Power Center.
 Tested the Informatica mappings with manual testing and assisted QA team.
 Involved in writing UNIX Shell scripts to run informatica workflows.
 Developed mappings using various transformations like update strategy, lookup, stored procedure, Router, Filter,
sequence generator, joiner, aggregate transformation and expression.
 Mappings were designed to cater the slowly changing dimensions.
 Developed several reusable transformations and mapplets that were used in other mappings.
 Developed repository using three layers Physical Layer, BMM layer and Presentation layer.
 Designed and Tested Reports in the Dashboards and created the Ad-hoc report according to the client
needs.
 Created Dimensional Hierarchies in Logical Layer to achieve Drill down Functionalities.
 Created Parent-child Hierarchies in BMM Layer to achieve Hierarchical Data.
Project: 2
Customer : HDFC Bank
Project Name : DB-FSR (Financial System Renewals)
Industry : Banking
Role : Developer
Project Description:
HDFC Bank is a leading bank. The main aim of our project is providing some reporting solutions for my client.
For this ETL Team apply some ETL operations on data and load this data into warehouse tables. Flat files are
consolidated onto target enterprise data warehouse implemented in Oracle 9i using the ETL tool Informatica .This
project deals with the Report development for the countries outside India. The Reports are developed based on the data
extracted in from database.
Responsibilities:
 Data migration from one environment to another environment using ETL Infomatica tool.
 Created and Imported/Exported various Sources, Targets, and Transformations using Informatica Power
Center Designer.
 Developed number of Complex Informatica Mappings, Mapplets and Reusable Transformations for the
Sales and Marketing Systems to facilitate one time, Daily, Monthly and Yearly Loading of Data.
 Designed and developed complex Aggregate, Join, Router, Look up and Update transformation rules
(business rules).
 Extracting, Transforming and Loading the data from Source to Staging and Staging to Target according to the
Business requirements.
Project: 1
Project Name : Production and Sales Data mart.
Customer : Asia pulp & paper co. Ltd
Role : Informatica Developer
Software/Tool : Informatica, Oracle 9i, windows2003
Project Description:
Asia Pulp & Paper is one of the largest Paper Company having mills in different parts of the country and three
different applications. Data is extracted from the Oracle database from all the mills of Paper Company. The extracted
data is transferred to warehouse tables, to map to the new columns, and calculated values. This transformed data is
loaded into a single Oracle database that is maintained as a Data warehouse for the whole company. Since this is a real
time system, the data has to be captured at predefined time frames to get the exact figures for analysis.
.Responsibilities:
 Understanding existing business model and customer requirements
 Developed ETL mappings, transformations using Informatica Power Center.
 Developing the mappings, workflows as per the requirement specifications.
 Preparation of ETL mapping documents.
 Extensively used joiner, aggregator, expression, lookup, update, filter, router transformations.
 Creating Sessions and workflows using Workflow Manager.
 Involved in writing UNIX Shell scripts to run informatica workflows.
 Change in the Shell Script as per given requirement.

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VenkatSubbaReddy_Resume

  • 1. VenkataSubbaReddy gvenkat9bi@gmail.com 84359892 Professional Summary:  5 plus years of IT industry experience in System Development Life Cycle (SDLC) from gathering requirements to Developing, Testing, Implementation and Analysis for Decision Support System.  Experience with ETL Informatica Power Center.  I have knowledge on OBIEE reporting tool  Strong Experience in creation of Repository and generation of Business Reports using OBIEE.  Worked Extensively on Oracle BI Administration Tool / Presentation Services, Answers & Interactive Dashboards and Security Implementation.  Strong in Business Model development with Dimensions, Hierarchies, Measures, Aggregation Rules, Time Series, Caching.  Good knowledge in Data Warehousing Concepts.  Extensively Worked on Informatica Designer Components - Source Analyzer, Warehousing Designer, Transformations Developer, Mapplet and Mapping Designer.  Vast experience in designing and developing complex mappings from varied transformation logics .  Like Unconnected and Connected lookups, Router, Filter, Expression, Aggregator, Joiner, Update Strategy.  Involved in performance tuning by identifying the bottlenecks either at source, target, mapping, session or transformation.  Sound knowledge of RDBMS concepts, with hands on exposure in the development of relational database environment using SQL, PL/SQL.  Knowledge with UNIX Shell Scripting.  Excellent interpersonal, analytical skills, communication skills, self-motivated, quick learner, team player, and leadership abilities. Work Experience:  Working as ETL developer in Saksoft Limited, Singapore from October 2014 to till date.  Worked as ETL developer in Saksoft Limited, Chennai from April 2013 to October 2014.  Worked as software engineer for Yash Technologies, Bangalore from 2010 to March 2013. Education:  I have done B.Tech in Computer Science from JNTU University, in 2010.
  • 2. Technical Skills: RDBMS Oracle 10g,AS400 ETL Tools Informatica Reporting tools OBIEE Operating Systems UNIX, Windows 2007 Tools TOAD, Control M,R2Web,Sql Developer,JIRA,Visio Languages/ Utilities SQL, PL/SQL, Unix shell scripts, C, java ● WORK EXPERIENCE Project: 6 Title : UOBI BB B-Score (Business Banking Behavior Score Card) Client : UOB, Singapore. Duration : June 2015 – Till date Role : ETL Developer Domain : Banking Domain Project Description: UOB Indonesia Business Banking Behavior Score Card will be used to assist the evaluation the risk profile of Existing business banking customers and calculate the capital requirement of business banking portfolio. Responsibilities:  Responsible in gathering Requirements and review. Interacted with Business Users in the design of technical specification documents.  Involved in creating logical and physical data models using MS Visio based on business requirements.  Successfully Loaded Data into different targets from various source systems like Oracle Database, Flat files, AS400 etc into the Staging table and then to the target database AS400.  Developed various Mappings, Mapplets, and Transformations for data mart.  Used various transformations like Stored Procedure, Connected and Unconnected lookups, Update Strategy, Filter transformation, Joiner transformations to implement complex business logic.  Used Informatica Workflow Manager to create workflows, database connections, sessions and batches to run the mappings.  Used Variables and Parameters in the mappings to pass the values between mappings and sessions.  Responsible for monitoring all the sessions that are running, scheduled, completed and failed. Debugged the mapping of the failed session.
  • 3.  Mapplets and Reusable Transformations were used to prevent redundancy of transformation usage and modularity.  Written documentation to describe program development, logic, coding, testing, changes and corrections.  Within specified time, projects are delivered making sure all the requirements gathering, business analysis and designing of the data marts.  Involved in Unit and Integration testing of Mappings and sessions.  Prepared ETL mapping specification document.  Assisted Testing team in creating test plan and test cases. Project: 5 Title : FATCA (Foreign Account Tax Compliance Act) Client : UOB, Singapore. Duration : October 2014 – June 2015 Role : ETL Developer Domain : Banking Domain Project Description: FATCA is acts introduced by US in 2010 to address the perceived tax abuse by US person through the use of offshore accounts. Governments have signed Intergovernmental Agreement (IGA) with US Government. As part of FATCA compliance, UOB will have to generate FATCA XML data file, to be submitted electronically to US IRS (US Tax Authority), for all financial accounts for US reportable customers (Individuals/Entities).Thus UOB require FATCA reporting solution to be setup to address the FATCA reporting requirements. As part of FATCA we designed a FATCA data mart to achieve the requirements by using Informatica ETL tool. Responsibilities:  Involved in requirement Gathering and analysis of source data as data comes in from different Source systems.  Extracted data from Oracle, Flat files and loaded into Data warehouse.  Prepared various mappings to load the data into different stages like Landing, Staging and Target tables.  Used Informatica Designer to create complex mappings using different transformations like filter, router, lookups, stored procedure, joiner, update strategy, expression and aggregator transformations to pipeline data to Data Warehouse/Data Marts.  Involved in Various testing phases like SIT and UAT.  Involved in the Defect analysis call for UAT environment along with users to understand the data and to make any modifications if suggested by the user.  Involved in the Deployment of code from SIT to UAT
  • 4. Project: 4 Title : EDW (Enterprise Data warehouse) Client : WellPoint EDW, USA. Duration : Apr 2013 – Oct 2014 Role : ETL Developer Domain : Health Insurance Project Description: WellPoint Information Management (IM) department is responsible for the consolidation of a number of regional data warehouses into a single Enterprise Data Warehouse (EDW) for centralized reporting called EDWARD. WellPoint then plans to decommission its regional data warehouses and Edward will become Well Point’s “single version of the truth” for all users to access. The Liberty Dental system will be one of the data sources to be sourced to the EDW. The direct sourcing of Liberty Dental claims data is part of the decommissioning effort of the NY Empire data warehouse (also known as NY ADW or WADW), Central region DW (CRDW) and Dental DW (DDW) in favor of EDWard. Responsibilities:  Extracted data from Oracle, Flat files and loaded into Data warehouse.  Translated business requirements to designs and developed Informatica mappings/workflows.  Used Source Analyzer and Warehouse Designer to import source and target database schemas and Mapping Designer to map sources to target.  Used Informatica Designer to create complex mappings using different transformations like filter, router, lookups, stored procedure, joiner, update strategy, expression and aggregator transformations to pipeline data to Data Warehouse/Data Marts.  Developed complex mappings in Informatica to load the data from various sources using different transformations like Look up (connected and unconnected).
  • 5. Project: 3 Customer : Tektronix Energy Systems Inc., U.S.A Project Name : Sales Information System. Industry : Retail Role : Developer Project Description: Tektronix Energy Systems is a manufacturing company of Generators, Power Cables and Engines. They sell throughout the world with primary markets being North America, Europe, Austria and United Kingdom. The Data warehouse is constructed to stage the Sales & Distribution and Inventory related data to extract and populate the warehouse, we used Informatica with various mappings and or analysis and report generation used OBIEE. Responsibilities: s  Developed ETL mappings, transformations using Informatica Power Center.  Tested the Informatica mappings with manual testing and assisted QA team.  Involved in writing UNIX Shell scripts to run informatica workflows.  Developed mappings using various transformations like update strategy, lookup, stored procedure, Router, Filter, sequence generator, joiner, aggregate transformation and expression.  Mappings were designed to cater the slowly changing dimensions.  Developed several reusable transformations and mapplets that were used in other mappings.  Developed repository using three layers Physical Layer, BMM layer and Presentation layer.  Designed and Tested Reports in the Dashboards and created the Ad-hoc report according to the client needs.  Created Dimensional Hierarchies in Logical Layer to achieve Drill down Functionalities.  Created Parent-child Hierarchies in BMM Layer to achieve Hierarchical Data.
  • 6. Project: 2 Customer : HDFC Bank Project Name : DB-FSR (Financial System Renewals) Industry : Banking Role : Developer Project Description: HDFC Bank is a leading bank. The main aim of our project is providing some reporting solutions for my client. For this ETL Team apply some ETL operations on data and load this data into warehouse tables. Flat files are consolidated onto target enterprise data warehouse implemented in Oracle 9i using the ETL tool Informatica .This project deals with the Report development for the countries outside India. The Reports are developed based on the data extracted in from database. Responsibilities:  Data migration from one environment to another environment using ETL Infomatica tool.  Created and Imported/Exported various Sources, Targets, and Transformations using Informatica Power Center Designer.  Developed number of Complex Informatica Mappings, Mapplets and Reusable Transformations for the Sales and Marketing Systems to facilitate one time, Daily, Monthly and Yearly Loading of Data.  Designed and developed complex Aggregate, Join, Router, Look up and Update transformation rules (business rules).  Extracting, Transforming and Loading the data from Source to Staging and Staging to Target according to the Business requirements. Project: 1 Project Name : Production and Sales Data mart. Customer : Asia pulp & paper co. Ltd Role : Informatica Developer Software/Tool : Informatica, Oracle 9i, windows2003 Project Description: Asia Pulp & Paper is one of the largest Paper Company having mills in different parts of the country and three different applications. Data is extracted from the Oracle database from all the mills of Paper Company. The extracted data is transferred to warehouse tables, to map to the new columns, and calculated values. This transformed data is
  • 7. loaded into a single Oracle database that is maintained as a Data warehouse for the whole company. Since this is a real time system, the data has to be captured at predefined time frames to get the exact figures for analysis. .Responsibilities:  Understanding existing business model and customer requirements  Developed ETL mappings, transformations using Informatica Power Center.  Developing the mappings, workflows as per the requirement specifications.  Preparation of ETL mapping documents.  Extensively used joiner, aggregator, expression, lookup, update, filter, router transformations.  Creating Sessions and workflows using Workflow Manager.  Involved in writing UNIX Shell scripts to run informatica workflows.  Change in the Shell Script as per given requirement.