IT professional with 6 years of experience in business intelligence, data warehousing, and data mapping. Skilled in programming languages like Informatica, SQL, and C. Worked as a senior test analyst and quality assurance analyst for companies like OCBC and DBS, where responsibilities included testing data loads, preparing test plans, and ensuring defect-free code. Educated in electronics and communication engineering and holds certifications in banking, markets, and Cognos. Received multiple awards for work on projects involving data integration, extraction, and reporting.

1. GEETHA GAYATHRI G B
208B Compassvale Ln, #02-82, Singapore - 542208
E-mail:gaya3.bala89@gmail.com | Mobile: +65 93927305
SUMMARY
IT Professional with 6 years of experience in Business Intelligence, Data Warehousing, Data Mapping and Shell scripting
with exceptional client interaction, work ethics, proven result driven records, assertive team player with strong
interpersonal, communication, leadership and team building skills; thus adding values to client.
ACADEMIC PROFILE
Anna University, Chennai, TN, India Sep 2006 - May 2010
Bachelor of Engineering, Electronics & Communication Engineering
SKILL SET
Programming : Informatica, UNIX, SQL, COGNOS, C, HTML, Control M
Database : Teradata, Oracle, DB2, MySQL
Project Management : MS Project, MS Visio, HP Quality Centre, Microsoft Office
Source Systems Worked : CIS, UNICA, GCSP (VISION +), AVALOQ, BLUE SKY, NETS, CARDS (ABSP, KRSP)
WORK EXPERIENCE
OCBC (for Optimum Solutions), Singapore
Senior Test Analyst Role: Senior Analyst Apr 2016 to Present
Project: Wing Hang Bank – OWH IRB
 Responsible for testing the data stream loaded into the required OCBC Enterprise Data Warehouse
 Understanding the functional technicalities of the project and preparing Test plans and scenarios
 In-charge of ordering and scheduling the jobs using Control-M and verifying the executed jobs
 Involved in performing end to end testing and hence aiding in providing a defect free code
 Working on FSLDM Data Modeling and creating Test cases and complex test scripts in Teradata
 Involved in preparing Daily Status Reports as a part of reporting and circulating it to the team
DBS (for Apar Technologies), Singapore
Quality Assurance Analyst Role: Data Analyst Aug 2015 to Mar 2016
Project: Releases – Campaign & Regulatory User Requests
 Working in FSLDM Data Modeling and providing quality assurance to all the campaign URs
 Understanding Functional and Technical requirements and preparing Test Plan and scenarios
 Performing end to end testing of prod data for campaign & regulatory related user requests as required by the user
 Performed quality assurance and testing for fetching desired results for Card Campaigns, Wealth Campaigns and CIS
 Worked closely with the users on different User requests and helped them in clarifying the issues in UAT
 Understanding functional complexities of the bank and providing aid to the Senior Analysts for a defect free report
 Prepared Daily Execution Reports and Defect Reports as a part of reporting.
Project: Watson Wealth Advisor Role: Tester Oct 2014 to Aug 2015
 Worked for Watson Wealth Advisor project and performed complete end to end integration testing
 Understanding Functional and Technical requirements and preparing Test Plan and scenarios
 Was an integral part of Watson team which projected the project to receive the “Innovation Award” for the project
 Worked extensively with DB2 database, Teradata, SQL programming and also worked with macros in excel
 Was awarded “The Critical Achiever of The Year” award for excelling in testing activities
 Received many appreciations for flawless testing and was involved in helping the Dev team to identify critical issues
 Performed end to end Extraction, Transformation and loading from different sources to different targets
 Was involved in helping the prod team to run the queries and fetch expected results in production
 Was a part of the interview panel to recruit new resources for the company
 Validating DBS Corpus Content, product recommendations for FX and cash management
 Was involved in sentiment extraction analysis and comparison of Ask Watson VS Google NLQ outlook

2. Infosys Limited, India
Senior Systems Engineer Role: Technical Analyst Client: RBS Jan 2013 to Sep 2014
Project: Strategic Data Management & Profiling
 Performed Requirement gathering, Requirement Analysis and formulated functional specification documents
 In-charge of the whole project which involved three phases of data mapping viz; from Mainframes to Unix, Unix
to Staging database and Staging to Target database
 Coordinated with various teams, across various platforms for the customer to have a seamless experience
 Created Unix shell scripts to run the Informatica workflows and controlling the ETL flow
 Developed scripts for data processing in Linux environment which included the data movement from download path
to landing and then loading path
 Worked as ETL QA lead and mentored a team of four
 Created mapplets and mappings for cleansing and transformation of data from Linux to Target database
 Have adequate knowledge in database management and have worked extensively in Teradata
 Proficient in performance analysis, monitoring and SQL query tuning using Collect Statistics, and have
strong expertise in creating SQL queries, Stored Procedures and macros in Teradata as well as Oracle.
 Extensively worked with Teradata utilities like BTEQ, Fast Export, Fast Load, Multi Load to export and load
data to/from different source systems including flat files.
 Was in-charge of tracking deliverables and excelled in effective and timely code delivery to the client
 Involved in doing file transfers, job scheduling and error handling in Unix environment
 Worked extensively on developing and debugging mappings, mapplets, sessions and workflows
 Implemented Slowly Changing Dimension (SCD) type 2 logic for updates and deletes according to the client’s needs
 Received frequent applauds from the client for providing precise and crisp Minutes of Meeting
Project: FATCA
 Assisted in the role of a Teradata DBA and thus created DDLs for tables, views and stored procedures
 Worked as ETL QA lead and mentored a team of three
 Coded Shell scripts for pre and post processing of the data where the header and footer were removed for easy ETL
processing of the data
 Have developed complex mappings with the help of Informatica tool to load the data into the respective databases
 Excellent experience in ETL Tools like Informatica and on implementing Slowly Changing Dimensions (SCD)
 Created different parameter files and changed session parameters, mapping variables and parameters at run time
 Effectively used parameter files for defining mapping variables, workflow variables, FTP connections and
relational connections in Informatica.
 Experienced in working with 3NF and dimensional models and good understanding of OLAP/OLTP systems
 Awarded by clients, as I bridged their needs with technical feasibilities in performance during planning and analysis
 Provided functional support in various stages of testing (SIT, UAT, Production), making testing process hassle-free
 Developed a special technique called “Hashing Technique” in Informatica which helps to compare the data of any
number of sources ( Oracle and Teradata, Mainframes and Teradata, Mainframes and DB2, DB2 and Oracle etc)
Systems Engineer Role: Developer/ Tester Client: RBS Jan 2011 to Dec 2012
Project: Customer Next Best Action
 Coordinated with the client and the development team regarding requirement gathering for testing
 Developed data management applications using different mapping solutions for database management
 Was involved with System Integration testing, UAT, OAT and also provided production support
 Have developed complex SQL queries, union, multiple table joins, views and table creation.
 Involved in migration projects to migrate the data from Oracle/DB2 to Teradata
 Won accolades from the client for zero defect during production; hence the codes used were reused for
other similar projects within the organization
 Have implemented various defect prevention techniques & have also worked in many Banking specific applications
 Provided various solutions for Code Optimization and also played an important role in Performance Efficiency

3.  Successfully loaded and tested billions of data, a number of times without any performance issues and was rewarded
by the clients for the best use of Optimization techniques thereby eliminating overhead issues
Project: Strategic Billing
 The project involved two phases of development – Oracle to Staging and Staging to Tactical database
 Accessed the tables and views in Oracle database using PL SQL statements
 Communicated with the Client DBAs for access and admin related issues and solved the issues effectively
 Extended technical support during critical project phases and stretched beyond working hours at several instances
 Had many interactions with the clients and the teams regarding gathering the exact requirements for projects
 Hands on experience on various query tools like TOAD, SQL developer, PLSQL developer and Teradata SQL Assistant
 Experience in imparting different Indexes on tables and views in Teradata
 Performed data manipulations using various Informatica Transformations like Filter, Expression,
 Lookup (Connected and Un-Connected), Aggregate, Update Strategy, Normalizer, Joiner, Router, Sorter and Union
 Provided support to the manager in terms of analyzing the teams’ capability in the project and also assisted
in creating timelines for each module, thus helping in avoiding crunches.
 Imparted intensive 5 day KT sessions in Informatica, Teradata and Unix for various teams through video
conferencing & also have published many KSHOP documents which can be referenced by all within the company
Systems Engineer Trainee July 2010 to Dec 2010
Successfully completed rigorous training program in “Business Intelligence” stream and scored a CGPA of 4.96/5
ADDITIONAL CERTIFICATION
 Banking Foundation, Equity and Capital Markets at Infosys Limited, Chennai
 CONGOS Certification at Besant Technologies, Chennai
HONOURS AND ACHIEVEMENTS
 Received the “Critical Achiever of The Year” award for rendering excellent services in DBS
 Was handpicked to work at the Client Location(Onsite – Ameriprise, Minnesota, USA) within a very short span of 3
years due to the dedication at work and excellent services offered to the organization
 Received “Star Infoscion” award for good communicative skills and was nominated for “Best Fresher of the year”
 Completed training on Informatica, Banking Foundation, Equity and Capital Markets, Securities & COGNOS at Infosys
 Presented many Research Papers & demonstrated our mini project at various National & International Conferences