
Mohanprasanth Palanisamy
Senior QA Manual Engineer | Manual Test Lead
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About
Senior QA Engineer with 8+ years of experience across healthcare, e-commerce, retail, and consumer electronics domains. Proven track record designing test strategies, leading QA teams, and driving defect-detection and QA-throughput improvements of 15–25% through structured manual and automation testing. Skilled in API testing, mobile and web QA, and Agile delivery, with hands-on experience in Python, Jenkins, Postman, and Power Automate.
Seeking a Senior Manual/Mobile QA Engineer role to bring rigorous test strategy and cross-functional leadership to product quality.
Experience
Product Engineer – QA (Contract) - Trinity Life Sciences
(2024-07 - 2025-02)
Project: Terra & IRIS (Medical Data Platforms)
- Led manual and automation testing efforts and authored detailed test strategy and execution documentation for medical data platforms.
- Conducted functional, performance, and stress testing to validate platform reliability under real-world data loads.
- Utilized Postman, JIRA, and Power Automate to streamline QA workflows, cutting manual reporting effort.
- Mentored junior QA engineers, ensuring consistent Agile sprint alignment and test coverage.
Senior Software Engineer in Test - QuEST Global Engineering Services Pvt Ltd
(2022-01 - 2023-05)
Project: Starbucks (UK) – Warehouse & Retail Systems
- Executed manual and automation testing for warehouse and retail systems, improving defect detection efficiency by 20%.
- Designed and reviewed test cases, coaching junior engineers on QA best practices.
- Managed the full defect lifecycle in JIRA and structured test execution using TestRail.
- Improved overall QA throughput by 15% through automation adoption and review-process optimization.
Sr. Quality Service Associate - Amazon Development Center
(2019-08 - 2022-01)
Project: Fire TV Devices
- Performed manual and automation testing using Python and Jenkins CI pipelines.
- Automated voice-feature stress tests, reducing manual testing effort by 25%.
- Maintained high quality standards across fast-paced Agile sprint cycles.
- Received the Fire TV Star Award for outstanding bug discovery and process enhancement.
Software Test Engineer - Sterling Corporate Communications
(2018-07 - 2019-07)
- Developed and executed functional, regression, and performance test plans for corporate communication products.
- Tracked and reported defects in JIRA, collaborating closely with development teams to accelerate resolution.
- Performed multi-region testing (UK, China, Germany), ensuring localized product quality.
Quality Service Associate - Amazon Development Center
(2015-06 - 2018-07)
Project: Kindle Devices
- Conducted functional and performance testing for Kindle devices across multiple releases, maintaining 95% defect accuracy.
- Supported integration, regression, and Agile-based test activities across device release cycles.
- Recognized as Best Bug Finder and innovator for device log-generation tooling.
Career Break – Family Business Management
(2025-02)
- Managed family business responsibilities while upskilling in automation testing, API testing, and modern QA practices; now returning to a full-time Senior QA Engineer role.
Education
Master of Computer Applications - Computer Applications - Vel Tech High Tech Engineering College (2010 - 2013)
Bachelor of Science - Computer Science - Karpagam Arts and Science College (2007 - 2010)