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Sumalatha Vallabhajosyula

@sumalathavallabhajos

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QA Lead at TCS testing Bank of America’s Teradata-to-Hadoop migration with AI-assisted testing.

United States

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At TCS, I lead QA for Bank of America’s migration of Teradata applications to Hadoop. I validate migration accuracy with SQL and custom Informatica mapping tests, and test HDFS files, PySpark transformations, and Kafka streams.

I use GitHub Copilot to accelerate test case authoring and have worked on customizing AI agents to generate test cases and plans. My experience also includes API testing with Postman, Python data refresh automation, and validating Power BI dashboards against source systems.

Experience

Work history, roles, and key accomplishments

Current

QA Lead

Current

TCS

May 2021 - Present (5 years 4 months)

Leading QA for a large-scale migration of Teradata applications to Hadoop, including test strategy, planning, and defect triage. Validated data migration accuracy using SQL and custom tools, and delivered Big Data QA coverage including HDFS, PySpark, and Kafka.

SQL Hadoop HDFS PySpark Kafka Informatica HPALM Micro Focus Octane Postman Power BI Python GitHub Co Pilot Agile

Sr. ETL/BI/SQL Server Tester

Acadia Technologies

Dec 2019 - Apr 2021 (1 year 4 months)

Validated Informatica ETL mappings and wrote complex SQL/PL-SQL for data transformations. Managed test sets and defects in HP ALM and validated Cognos reports and cube data.

Informatica Ab Initio Cognos Oracle Teradata HPALM SQL Agile Unix

Sr. ETL QA BI Tester

Web Plastics Company

Jan 2018 - Dec 2018 (11 months)

Executed ETL testing on Informatica Power Center mappings and performed Web Services testing with SOAP UI. Validated Cognos and Power BI reports using complex SQL and managed the full test lifecycle in HP Quality Center.

Informatica Oracle SQL Server Pl SQL Cognos Power BI SoapUI HPALM Agile Unix

Module Lead

UIS Consulting Services LLC

Mar 2015 - Jan 2018 (2 years 10 months)

Led UAT test planning and execution in an Agile environment, validating Informatica mappings and Teradata backend data via SQL. Tested web services with SOAP UI and drove functional, GUI, regression, and black box testing.

Informatica Cognos Oracle SQL Server Teradata HPALM SQL Agile

QA Tester

Maxeos Pvt Ltd

Jun 2009 - Jan 2011 (1 year 7 months)

Led test planning and execution across functional, integration, regression, and end-to-end testing for a real estate platform. Authored test plan and strategy documents and tracked defects in Jira.

Selenium Webdriver HPALM QTP Jira