Partha Sen

Available to hire

Experience Level

Expert
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Language

English
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Work Experience

Lead QA at Easebuzz Private Limited
December 1, 2024 - October 9, 2025
Led automation strategy and load testing efforts for payment gateway platform. Designed and implemented Python Selenium automation framework and a Playwright framework for Fees and Forms application. Mentored a team of 12 QAs and maintained Jenkins pipelines for automated test execution; improved release speed from 1 month to 2 weeks by closing QA process gaps.
Senior QA Engineer at Paytm Payments Services Ltd
February 1, 2024 - October 9, 2025
Collaborated with cross-functional teams; on boarded BigBasket and Aditya Birla on Paytm's payment gateway. Performed code reviews, integration, system and end-to-end testing; enhanced test framework and CI/CD integration for regression suites.
Member of Technical Staff at Interra Information Technologies Pvt. Ltd
July 1, 2022 - October 9, 2025
Led UI and API automation testing for NTT Data and Shell products using Python Selenium-based framework; built Jenkins pipeline for continuous integration.
SW Test Engineer at CBNITS India Pvt Ltd
June 1, 2021 - October 9, 2025
Developed test plans and procedures; created and optimized automation tests for IMPS, NEFT and UPI transactions; converted 80% of manual test cases into automation scripts.
Software Tester at Lodestone Software Services Pvt Ltd
June 1, 2018 - October 9, 2025
Completed in-depth testing on Windows, Android and iOS devices; authored and maintained manual test cases; tested games on Unity/Unreal/Oculus VR; created test cases and tracked in TestRail.
Lead QA at Easebuzz Private Limited
December 1, 2024 - October 9, 2025
Designed and implemented a JMeter-based load testing framework for payment APIs; performed stress testing; accelerated release by identifying QA process gaps; led automation strategy and prepared test plans; developed Python Selenium automation for payment gateway testing and Python Playwright automation for Fees and Forms; mentored a team of 12 QAs; maintained Jenkins pipelines for automated test execution; enhanced Appium automation utilities.
Senior QA Engineer at Paytm Payments Services Ltd
February 1, 2024 - October 9, 2025
Collaborated with cross-functional teams to resolve bugs; on boarded BigBasket and Aditya Birla onto the Paytm PG system; performed code reviews on feature branches; conducted integration, system and end-to-end testing of the PG system; enhanced test framework with reusable utilities and automation test cases; mentored juniors; integrated CI/CD pipeline with the automation framework to execute regression suites.
Member of Technical Staff at Interra Information Technologies Pvt. Ltd
July 1, 2022 - October 9, 2025
Led UI and API automation testing of NTT Data and Shell products using Python Selenium-based framework; built Jenkins pipeline to achieve continuous integration.
SW Test Engineer at CBNITS India Pvt Ltd
June 1, 2021 - October 9, 2025
Developed test plans and procedures based on project requirements; created and optimized automation test cases for IMPS, NEFT and UPI transactions; converted about 80% of manual test cases into automation.
Software Tester at Lodestone Software Services Pvt Ltd
June 1, 2018 - October 9, 2025
Completed in-depth testing on Windows, Android and iOS devices; authored and maintained well-organized manual test cases; tested game applications built on Unity, Unreal and Oculus VR platforms; created test cases and added them in TestRail.

Education

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Qualifications

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Industry Experience

Software & Internet, Financial Services, Professional Services