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Curriculum Vitae
Rajeswari Pothala +91-8792550616
rajeswaripothala88@gmail.com
Professional Summary
 Associate with Tata Consultancy Services for the past 6 years7 months, with core competency in Data
Warehousing, ETL development and design
 Worked on BI tools, Informatica 8.1.1/9.1, Cognos 8.4.1, Oracle Database 10g and Teradata.
 Currently, leading a team of 6 members in Enterprise Data Warehousing (EDW) agile project.
 Strong knowledge on Data warehousing concepts, Dimensional and Architectural modeling
 Excellent troubleshooting and performance tuning skills
 Worked on Informatica warranty support and development on Unix platform
 Trained in agile methodologies and worked in agile projects.
Achievements
 Awarded with A band for my performance in the project.
 Received an award for the work being done in Aviva project from the client.
 Received on the spot award from Top Management for my efforts in tuning highly complicated
Expense module for performance and reducing the overall refresh time
 Received appreciation for migrating Powercenter 8.1.1 to Powercenter 9.0.1 without any failure.
 Trained in agile methodologies.
 Certified in Teradata 12 basics.
Key skills
BI Tools Informatica Power Center 8.1.1/9.0.1/9.1.1 Cognos 8.2/8.4
Operating System Windows 9x/XP/2007, UNIX
Database Oracle 10g,Teradata
Languages SQL, Pl/SQL,C,C++
Educational Qualification:
 B.Tech (Electronics and Communication Engineering) from JawaharalalNehru Technological
University Kakinada in 2009 with aggregate of 79.04%
 Pre-University(Class 12) from AP state Board in 2005 with 94.6%
 SSC from AP state board in 2003 with 88%
Project Experience
Project Name Ultimatix - EDW: BOARD
Customer Leadership & Governance team, PMOs,IOU and Sub-IOU heads of TCS
Period Jul 2010 to Mar 2013
Team size 8
Tools Informatica 8.1.1, Cognos8.2/8.4, Pl/Sql Developer
Description TCS Trimatrix EDW is a BI project, which includes consolidating all the corporate
data from various sources / systems (oracle applications, SAP, Siebel etc) into
centralized data warehouse. The data is thus extracted,staged, cleaned, transformed,
modeled and reported to the business users subsequently, which helps them in taking
quick and accurate decision in this agile environment. Full form of the BOARD is
Business Outcome Analysis and Review Dashboards. It is driven by Key
Performance Indicators (KPI) defined by Leadership & Governance team of TCS.
The KPI values are shown in Balanced Scorecards (BSC) and further drill downs are
provided for dashboards and additional analytics. User level access is restricted as per
the roles of them. The information shown in BSCs and Dashboards include Finance,
Internal Process,HR etc. data of TCS.
Role ETL developer
Responsibilities  To Analyze and check feasibility of new requirements
 To integrate data from various source systems, development of dimensional
models and mappings.
 Troubleshooting various issues raised by users/Business Analysts
 Observing and curtailing the performance bottlenecks at different stages like
sources,targets, transformations, session and system
 To do impact analysis of new changes done in various source systems of
Ultimatix
 To Monitor Production data, identify and rectify incorrect data either due to
anomalies in source systems or due to data refresh issues
Contribution  Successfully deployed Phase-3 of some Finance KPIs in this module
 Tuned highly complex sessions related to all the modules to reduced refresh
time
 Automated workflow scheduling using PMCMD command and shell scripting
 Developed complex mappings using multiple sources and targets in different
databases and flat files. Developed mappings for Extraction, validation,
Transformation and Loading.
 Used various transformations like Connected & Unconnected lookup, Transaction
Control,Aggregator, Source Qualifier, Union, Joiner, Sorter, Sequence Generator,
Normalizer, Filter, Router, Stored Procedure and Update Strategy.
 Provided the data as per the requirement and prepared the dash boards using
COGNOS.
 Worked end to end starting from creating the database objects, Extract transform
and loading the data using the ETL tool Informatica and developing the model
and security features in Cognos Framework manager, creating and publishing
packages,and finally using these packages in report studio to develop dashboards
as per the requirements.
Project Name Migration ofInformatica server from version 8.1.1 to 9.0.1
Customer Ultimatix-EDW, Ultimatix-MIS, Ultimatix-Planning, Ultimatix-EAI
Period Dec-2011 to May-2012
Team size 10
Tools/ OS Informatica v 8.1.1, Informatica v 9.0.1, HP-UX
Description The current version of Powercenter used by all application teams in Ultimatix domain
is 32 bit 8.1.1 on HP-UX32-bit OS(PARISC architecture). The Informatica server
has to be migrated to 64 bit version of 9.0.1 on 64 bit HP-UXOS(IA).
Role Application tester , Informatica Administrator
Responsibilities  SPOC for Informatica support team and all application teams of Ultimatix domain
 Upgrading contents of repository and export/import of Users
 Create test plan and documents for functional and data testing for Ultimatix-
EDW team and execute it
 Identification of files(flat files and config files) and moving them manually to the
migrated server
 Testing of data after executing the workflows in the new version.
Contribution  Successfully completed the upgrading process and received appreciation from
higher management.
Project Name TMXIOU Finance dashboard and Expense analysis in PPT format
Customer TCS Corporate Finance Team
Period Sep-2011 to Mar-2013
Team size 4
Tools/ OS Informatica v 9.0.1, HP-UX,Cognos 8.4, Cognos Go office
Description Corporate finance wanted to have a comprehensive report for Expenses incurred and
revenue, which includes all the digitized and manula data of TCS. The reports in PPT
contains analysis of expenses and revenue in terms of Gross margin, Contribution
margin.
Role ETL Developer, Cognos developer
Responsibilities  Checking feasibility to generate the reports in PPT format using Cognos go office.
 Automation of uploading flat files directly in the database without having manual
data fixes for the manual data received from the users through shared folders
using SFTP and Informatica.
 Developing mappings as per the business logic provided by the users.
Contribution  Successfully completed the mappings design before the timelines
 Tuned the cognos report queries to have better performance by pushing some
front end calculations to back end using Informatica mappings.
Project Name Aviva Ireland Transformation
Customer Aviva UK
Period Apr-2013 to Sep-2014
Team size 7
Tools/ OS Informatica 9.1, Teradata,Unix(AIX) Shell Scripting
Description Integration of Aviva Ireland data with existing UKGI System.
Role ETL Developer
Responsibilities  Understanding requirements, coding as per technical and business
requirements.
 Loading flat files into tables by generating dynamic parameter files.
 Unit Testing and resolving the defects in UAT and SIT regions.
Contribution  Successfully completed the mappings design before the timelines
 Tuned the mappings using PDO.
 Production support
Project Name Aviva Guidewire Finance
Customer Aviva UK
Period Sep-2014 to Jul-2015
Team size 5
Tools/ OS Informatica 9.1, Teradata,Unix(AIX) Shell Scripting
Description The purpose of this project is to provide new applications for policy and
claims administration comprising of Guidewire Policy Centre (PC) and
Guidewire Claim Centre (CC) integrated into the existing Aviva IT landscape
in agile mode.
Role Module Lead
Responsibilities  Designing mapping sheets by understanding the model and client requirements
mentioned in the user stories.
 Assigning tasks to the team members after finalizing the requirements by having
discussions with Onsite co-ordinator..
 Followed Change control related process to higher environment & did
documentation - Low Level Design.
 Coordination with testing team for system testing & UAT testing.
Contribution  Successfully deployed the code without defects.
 Providing the production support.
Project Name Aviva Flood Re
Customer Aviva UK
Period Aug-2015 to till date
Team size 6
Tools/ OS Informatica 9.1, Teradata,Unix(AIX) Shell Scripting
Description The purpose of this project is to provide new applications for policy and
claims from Floods integrated into the existing Aviva IT landscape in agile
mode.
Role Module Lead
Responsibilities  Estimating the story points based on requirements.
 Designing mapping sheets by understanding the model and client requirements
mentioned in the user stories.
 Assigning stories to the team members after finalizing the requirements by having
discussions with Client and Onsite co-ordinator..
 Managing the sprint backlog.
 Coordination with testing team for system testing .
Contribution  Successfully deployed the code without defects.
 Providing the production support.
 Delivering the stories within the sprint planning dead lines.
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Resume

  • 1. Curriculum Vitae Rajeswari Pothala +91-8792550616 rajeswaripothala88@gmail.com Professional Summary  Associate with Tata Consultancy Services for the past 6 years7 months, with core competency in Data Warehousing, ETL development and design  Worked on BI tools, Informatica 8.1.1/9.1, Cognos 8.4.1, Oracle Database 10g and Teradata.  Currently, leading a team of 6 members in Enterprise Data Warehousing (EDW) agile project.  Strong knowledge on Data warehousing concepts, Dimensional and Architectural modeling  Excellent troubleshooting and performance tuning skills  Worked on Informatica warranty support and development on Unix platform  Trained in agile methodologies and worked in agile projects. Achievements  Awarded with A band for my performance in the project.  Received an award for the work being done in Aviva project from the client.  Received on the spot award from Top Management for my efforts in tuning highly complicated Expense module for performance and reducing the overall refresh time  Received appreciation for migrating Powercenter 8.1.1 to Powercenter 9.0.1 without any failure.  Trained in agile methodologies.  Certified in Teradata 12 basics. Key skills BI Tools Informatica Power Center 8.1.1/9.0.1/9.1.1 Cognos 8.2/8.4 Operating System Windows 9x/XP/2007, UNIX Database Oracle 10g,Teradata Languages SQL, Pl/SQL,C,C++ Educational Qualification:  B.Tech (Electronics and Communication Engineering) from JawaharalalNehru Technological University Kakinada in 2009 with aggregate of 79.04%  Pre-University(Class 12) from AP state Board in 2005 with 94.6%
  • 2.  SSC from AP state board in 2003 with 88% Project Experience Project Name Ultimatix - EDW: BOARD Customer Leadership & Governance team, PMOs,IOU and Sub-IOU heads of TCS Period Jul 2010 to Mar 2013 Team size 8 Tools Informatica 8.1.1, Cognos8.2/8.4, Pl/Sql Developer Description TCS Trimatrix EDW is a BI project, which includes consolidating all the corporate data from various sources / systems (oracle applications, SAP, Siebel etc) into centralized data warehouse. The data is thus extracted,staged, cleaned, transformed, modeled and reported to the business users subsequently, which helps them in taking quick and accurate decision in this agile environment. Full form of the BOARD is Business Outcome Analysis and Review Dashboards. It is driven by Key Performance Indicators (KPI) defined by Leadership & Governance team of TCS. The KPI values are shown in Balanced Scorecards (BSC) and further drill downs are provided for dashboards and additional analytics. User level access is restricted as per the roles of them. The information shown in BSCs and Dashboards include Finance, Internal Process,HR etc. data of TCS. Role ETL developer Responsibilities  To Analyze and check feasibility of new requirements  To integrate data from various source systems, development of dimensional models and mappings.  Troubleshooting various issues raised by users/Business Analysts  Observing and curtailing the performance bottlenecks at different stages like sources,targets, transformations, session and system  To do impact analysis of new changes done in various source systems of Ultimatix  To Monitor Production data, identify and rectify incorrect data either due to anomalies in source systems or due to data refresh issues Contribution  Successfully deployed Phase-3 of some Finance KPIs in this module  Tuned highly complex sessions related to all the modules to reduced refresh time  Automated workflow scheduling using PMCMD command and shell scripting  Developed complex mappings using multiple sources and targets in different databases and flat files. Developed mappings for Extraction, validation, Transformation and Loading.  Used various transformations like Connected & Unconnected lookup, Transaction Control,Aggregator, Source Qualifier, Union, Joiner, Sorter, Sequence Generator, Normalizer, Filter, Router, Stored Procedure and Update Strategy.  Provided the data as per the requirement and prepared the dash boards using COGNOS.  Worked end to end starting from creating the database objects, Extract transform and loading the data using the ETL tool Informatica and developing the model and security features in Cognos Framework manager, creating and publishing packages,and finally using these packages in report studio to develop dashboards as per the requirements.
  • 3. Project Name Migration ofInformatica server from version 8.1.1 to 9.0.1 Customer Ultimatix-EDW, Ultimatix-MIS, Ultimatix-Planning, Ultimatix-EAI Period Dec-2011 to May-2012 Team size 10 Tools/ OS Informatica v 8.1.1, Informatica v 9.0.1, HP-UX Description The current version of Powercenter used by all application teams in Ultimatix domain is 32 bit 8.1.1 on HP-UX32-bit OS(PARISC architecture). The Informatica server has to be migrated to 64 bit version of 9.0.1 on 64 bit HP-UXOS(IA). Role Application tester , Informatica Administrator Responsibilities  SPOC for Informatica support team and all application teams of Ultimatix domain  Upgrading contents of repository and export/import of Users  Create test plan and documents for functional and data testing for Ultimatix- EDW team and execute it  Identification of files(flat files and config files) and moving them manually to the migrated server  Testing of data after executing the workflows in the new version. Contribution  Successfully completed the upgrading process and received appreciation from higher management. Project Name TMXIOU Finance dashboard and Expense analysis in PPT format Customer TCS Corporate Finance Team Period Sep-2011 to Mar-2013 Team size 4 Tools/ OS Informatica v 9.0.1, HP-UX,Cognos 8.4, Cognos Go office Description Corporate finance wanted to have a comprehensive report for Expenses incurred and revenue, which includes all the digitized and manula data of TCS. The reports in PPT contains analysis of expenses and revenue in terms of Gross margin, Contribution margin. Role ETL Developer, Cognos developer Responsibilities  Checking feasibility to generate the reports in PPT format using Cognos go office.  Automation of uploading flat files directly in the database without having manual data fixes for the manual data received from the users through shared folders using SFTP and Informatica.  Developing mappings as per the business logic provided by the users. Contribution  Successfully completed the mappings design before the timelines  Tuned the cognos report queries to have better performance by pushing some front end calculations to back end using Informatica mappings.
  • 4. Project Name Aviva Ireland Transformation Customer Aviva UK Period Apr-2013 to Sep-2014 Team size 7 Tools/ OS Informatica 9.1, Teradata,Unix(AIX) Shell Scripting Description Integration of Aviva Ireland data with existing UKGI System. Role ETL Developer Responsibilities  Understanding requirements, coding as per technical and business requirements.  Loading flat files into tables by generating dynamic parameter files.  Unit Testing and resolving the defects in UAT and SIT regions. Contribution  Successfully completed the mappings design before the timelines  Tuned the mappings using PDO.  Production support Project Name Aviva Guidewire Finance Customer Aviva UK Period Sep-2014 to Jul-2015 Team size 5 Tools/ OS Informatica 9.1, Teradata,Unix(AIX) Shell Scripting Description The purpose of this project is to provide new applications for policy and claims administration comprising of Guidewire Policy Centre (PC) and Guidewire Claim Centre (CC) integrated into the existing Aviva IT landscape in agile mode. Role Module Lead Responsibilities  Designing mapping sheets by understanding the model and client requirements mentioned in the user stories.  Assigning tasks to the team members after finalizing the requirements by having discussions with Onsite co-ordinator..  Followed Change control related process to higher environment & did documentation - Low Level Design.  Coordination with testing team for system testing & UAT testing. Contribution  Successfully deployed the code without defects.  Providing the production support. Project Name Aviva Flood Re Customer Aviva UK Period Aug-2015 to till date Team size 6
  • 5. Tools/ OS Informatica 9.1, Teradata,Unix(AIX) Shell Scripting Description The purpose of this project is to provide new applications for policy and claims from Floods integrated into the existing Aviva IT landscape in agile mode. Role Module Lead Responsibilities  Estimating the story points based on requirements.  Designing mapping sheets by understanding the model and client requirements mentioned in the user stories.  Assigning stories to the team members after finalizing the requirements by having discussions with Client and Onsite co-ordinator..  Managing the sprint backlog.  Coordination with testing team for system testing . Contribution  Successfully deployed the code without defects.  Providing the production support.  Delivering the stories within the sprint planning dead lines.