Sunil Gupta
Software Tester | Manual & Automation Testing | Agile QA | Quality Engineering | API & UI Testing | Selenium | PyTest | Postman | CI/CD | Root Cause Analysis | Open to Full-Time Opportunities
- Role
- Software Tester at Cognizant
- Location
- Jersey City, NJ, US
- LinkedIn followers
- 500 followers
About Sunil Gupta
I am a Software Tester with nearly 4 years of experience in manual and automation testing…
Experience
Software Tester
Jan 2025 — Present · NJ, US
Designed and executed manual and automated test cases with Selenium and TestNG, identifying 98% of defects before release and improvingoverall application quality across platforms.• Performed functional, regression, and smoke testing in Agile projects, reducing defect leakage by 30% while ensuring consistent alignmentwith user acceptance criteria across multiple environments.• Validated RESTful APIs using Postman, verifying payload accuracy, error handling, and microservices integration, supporting reliableoperations within healthcare and financial domain applications.• Created and maintained test plans, cases, and defect reports in JIRA, improving traceability and enhancing communication across QA,developers, and business analysts.• Investigated and resolved defects through root cause analysis, reducing rework by 20% and accelerating delivery timelines for high-priorityproduction releases
Education
Stevens Institute of Technology
Master's of Science in Applied Artificial Intelligence, Computer Software Engineering
KC college engineering & management studies & research
Bachelor of Engineering - BE, Computer Engineering
2016 — 2020
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