Hem S.
Manual QA Tester | SaaS | Web, Mobile & Desktop Application Testing
I am a Senior Manual QA Engineer with 9+ years of experience, Top Rated Plus status, and 26,000+ hours worked on Upwork, supporting enterprise-level web, mobile, and desktop (Windows) applications. Tested applications across multiple domains, including SaaS, E-commerce, Healthcare, Password Managers, Real Estate, Education, Gaming, Dating, Airline, Financial, and Banking sectors. I specialize in end-to-end manual testing, helping engineering and product teams release stable, secure, and user-friendly software by identifying issues early and validating functionality across real-world use cases. My hands-on experience includes test case writing, exploratory testing, regression testing, cross-browser testing, usability testing, and UI validation for complex applications with frequent releases. I work closely with developers, product managers, and stakeholders, using JIRA, TestRail, GitHub, Asana, Trello, and Google Sheets to deliver clear, actionable defect reports and structured test documentation.. If you need a reliable senior QA professional who understands enterprise workflows, release cycles, and quality standards, I can integrate seamlessly into your team and start delivering value immediately.