Upendra Sanjay Mattaparthi
Hyderabad
Summary
- Experienced and results-driven Data QA Engineer with over 10 years of professional experience in software and data quality assurance across web, API, and database environments.
- Expertise in data validation, ETL testing, and automation using tools such as Selenium WebDriver, REST Assured, Postman, and PySpark, ensuring data accuracy and consistency across complex systems.
- Strong command of SQL, Python, and UNIX Shell scripting for data integrity testing, query optimization, and data reconciliation between source and target systems.
- Skilled in manual and automated testing methodologies including functional, regression, integration, and data pipeline QA within Agile/Scrum and Kanban frameworks.
- Proficient in API testing and BDD frameworks (Cucumber) to automate end-to-end data and application testing.
- Hands-on experience validating data and applications in cloud environments (AWS & Azure) with continuous integration using Jenkins and Azure DevOps.
- Comprehensive understanding of SDLC, STLC, and data-oriented testing life cycles, with proven ability to design test strategies, execute automation suites, and produce detailed QA documentation.
- Strong analytical and diagnostic skills with a proven record of ensuring high-quality, accurate data delivery under tight timelines.
Overview
9
9
years of professional experience
Work History
Data QA Engineer
Shreem Infotech PVT LTD
Harrow
04.2024 - Current
- Participated actively in Agile/Kanban processes including daily stand-ups, sprint planning, and retrospectives to ensure data validation and testing activities align with sprint goals.
- Executed data integrity and validation testing across SQL Server databases, ensuring accuracy of data transformations and storage within distributed systems.
- Designed and automated data validation test suites using Selenium WebDriver, Java, and Cucumber (JUnit Hybrid Framework) to validate data flow between APIs, front-end, and backend systems.
- Conducted API testing for RESTful and SOAP services using Postman and Rest Assured, verifying data ingestion, extraction, and transformation accuracy.
- Integrated automated data quality tests into Jenkins CI/CD pipelines, ensuring consistent validation across environments.
- Collaborated with Data Engineering and DevOps teams to manage test environment upgrades, pipeline executions, and deployment validation.
- Executed manual and automated data verification across multiple environments (QA, UAT, and production), improving data accuracy and reliability by identifying critical inconsistencies early in release cycles.
- Led data-driven performance and regression testing, delivering measurable improvements in system reliability and end-to-end data flow stability.
Data QA Engineer
ARK consulting Pvt LTD
swindon
12.2022 - 03.2024
- Performed data QA and ETL testing on enterprise data pipelines, validating transformations and load processes using SQL and UNIX shell scripts.
- Automated API and database-level validation using SOAP UI, Postman, and Rest Assured, ensuring accurate data transmission between systems.
- Validated data reconciliation between legacy and modernized applications using SQL and log analysis tools.
- Participated in Agile ceremonies and collaborated with Data Architects, Developers, and DevOps for data-related QA planning.
- Developed automation scripts for API and backend data tests using Java and Cucumber, contributing to reusable frameworks for data verification.
- Implemented data integrity dashboards to monitor QA metrics and improve defect resolution timelines.
- Ensured build and deployment accuracy through Jenkins pipeline testing, supporting release validation in QA, UAT, and production.
Sr.QA Engineer
Medvocation Pvt LTD
Dublin
08.2019 - 12.2022
- Led data validation and automation testing for healthcare applications, focusing on data consistency and accuracy across multi-tier environments.
- Utilized SQL Server, Python (PySpark), and REST APIs to validate ETL pipelines and backend data processes.
- Created automated data quality scripts to test large datasets for completeness, transformation logic, and referential integrity.
- Conducted API validation using Postman, Rest Assured, and SOAP UI for REST and SOAP-based services.
- Integrated automated data verification into CI/CD pipelines using Jenkins and Azure DevOps, ensuring consistent test execution during deployments.
- Collaborated closely with data engineers, analysts, and product owners to define data validation scenarios aligned with business logic.
- Troubleshot data-related production issues using UNIX commands, log parsing, and SQL queries, improving system reliability.
QA Engineer
blueda Pvt LTD
Belfast
11.2016 - 08.2019
- Performed data and functional testing for client-server applications, validating end-to-end data flow across front-end and database layers.
- Developed and executed SQL scripts for data integrity and reconciliation between UI and backend systems.
- Built automation frameworks using Selenium WebDriver and Java for repeatable regression testing.
- Collaborated with developers and analysts to review data mapping documents, and confirm transformation rules.
- Executed manual, exploratory, and cross-browser testing, identifying and resolving data discrepancies early in the release cycle.
- Contributed to continuous improvement initiatives in data and test process optimization.
Education
MBA - Business Management
European Business School
London09-2015
Skills
Data & Database Technologies-
SQL, SQL Server, PL/SQL, Data Validation, Data Reconciliation
Programming and scripting - Python PySpark, Java, Shell scripting (UNIX/Linux)
Test Automation & Frameworks-
Selenium WebDriver, JUnit, TestNG, Cucumber (BDD/Gherkin), Hybrid & Data-Driven Frameworks
API & Web Services Testing-
Postman, REST Assured, SOAP UI, Swagger, JSON, XML
Data Pipeline & ETL Testing Tools-
Jenkins (CI/CD), Azure, Data Quality Validation, ETL Workflow Testing
Cloud Platforms-
AWS , Microsoft Azure,Azure DevOps
Timeline
Data QA Engineer
Shreem Infotech PVT LTD
04.2024 - Current
Data QA Engineer
ARK consulting Pvt LTD
12.2022 - 03.2024
Sr.QA Engineer
Medvocation Pvt LTD
08.2019 - 12.2022
QA Engineer
blueda Pvt LTD
11.2016 - 08.2019
MBA - Business Management
European Business School