I am a Senior SDET and Data QA Engineer with 15+ years of hands-on experience in test automation, data validation, and enterprise software quality engineering. I specialize in validating data ingestion pipelines, analytical warehouse transformations, and enterprise data migrations using SQL, Databricks, and Snowflake, along with relational databases to ensure data accuracy and reliability across large-scale systems. I design hybrid/data-driven automation frameworks and advance test strategies for ETL/ELT pipelines using Python, PySpark, and modern CI/CD tooling. I collaborate with product owners and engineering teams in Agile environments, support Azure data services, and drive continuous quality improvements across the software development lifecycle while delivering end-to-end validation of client and server-side web applications and REST/SOAP services.

Leela Krishna

I am a Senior SDET and Data QA Engineer with 15+ years of hands-on experience in test automation, data validation, and enterprise software quality engineering. I specialize in validating data ingestion pipelines, analytical warehouse transformations, and enterprise data migrations using SQL, Databricks, and Snowflake, along with relational databases to ensure data accuracy and reliability across large-scale systems. I design hybrid/data-driven automation frameworks and advance test strategies for ETL/ELT pipelines using Python, PySpark, and modern CI/CD tooling. I collaborate with product owners and engineering teams in Agile environments, support Azure data services, and drive continuous quality improvements across the software development lifecycle while delivering end-to-end validation of client and server-side web applications and REST/SOAP services.

Available to hire

I am a Senior SDET and Data QA Engineer with 15+ years of hands-on experience in test automation, data validation, and enterprise software quality engineering. I specialize in validating data ingestion pipelines, analytical warehouse transformations, and enterprise data migrations using SQL, Databricks, and Snowflake, along with relational databases to ensure data accuracy and reliability across large-scale systems.

I design hybrid/data-driven automation frameworks and advance test strategies for ETL/ELT pipelines using Python, PySpark, and modern CI/CD tooling. I collaborate with product owners and engineering teams in Agile environments, support Azure data services, and drive continuous quality improvements across the software development lifecycle while delivering end-to-end validation of client and server-side web applications and REST/SOAP services.

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Experience Level

Expert
Expert
Expert
Expert

Work Experience

Software Development Engineer in Test (SDET) at T-Mobile
February 1, 2019 - Present
Developed and maintained API automation frameworks (CA LISA DevTest/Rest Assured) to validate enterprise services and backend data integrations. Wrote complex SQL queries to verify data integrity, transformations, and business rules across large datasets. Executed and validated ELT processes and multi-source data ingestion into Delta Lake and Databricks. Performed end-to-end ETL/ELT testing across ingestion, transformation, and analytical layers, and validated incremental and CDC-based pipelines. Integrated automated validation tests into CI/CD pipelines using Azure DevOps and Jenkins, and collaborated with Data Engineering teams to ensure schema evolution and transformation correctness.
Automation Engineer at W.W. Grainger/IBM
April 1, 2018 - January 1, 2019
Led QA activities for SAP Hybris to SOLR migration and BackOffice transformation. Designed and executed detailed test cases for user stories, enhancements, and changes. Implemented UI automation using Selenium WebDriver to improve regression coverage and validated backend integrations, ETL workflows, and scheduled jobs. Managed test data in STEP and Hybris environments, and supported Agile ceremonies.
Sr QA Engineer at AT&T/IBM, Bothell, WA
November 1, 2014 - April 1, 2018
GCP-SXP Transformation: Collaborated with GCP and SXP teams to document IAD and requirements for data read operations, ensured data validation and consistency across systems, developed end-to-end sequence diagrams, and designed performance tests with JavaScript and JMeter. Developed SOAP UI-based service level testers, and built a custom HTML/XML simulator for integration testing. Provided training and supported UAT.
Sr QA Engineer at AT&T/IBM, Bothell
November 1, 2013 - October 1, 2014
CSSNG: Participated in business requirements meetings, reviewed test strategy and plans, conducted load/performance testing with LoadRunner, created RCA reports, tracked progress, supported UAT and production environments.
Senior System Engineer at AT&T/IBM, Bangalore, India
May 1, 2008 - October 1, 2013
AT&T One Ticketing System (AOTS) - Developed automation for web services and service virtualization using CA LISA. Led automation initiatives, participated in Scrum, reviewed requirements, and ensured end-to-end integrity across interfacing applications.

Education

Master of Technology (Control Systems) at College of Engineering Pune, India
January 11, 2030 - April 28, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Telecommunications, Software & Internet, Professional Services, Manufacturing, Retail