Tharushika Rathnayaka

I provide part time Quality Assurance and testing services to help startups, product teams, and solo founders deliver reliable, user centric, and high quality digital products. With hands on experience across the Software Testing Life Cycle STLC, I focus on identifying risks early, improving product usability, and ensuring smooth releases.

My core expertise includes Functional, Regression, Smoke, Sanity, UAT, and User Testing for web and mobile applications. I validate business requirements, workflows, and edge cases to ensure the product behaves as expected under real world usage. I also specialize in UX and usability defect identification, helping teams uncover issues that negatively impact user experience, accessibility, and adoption.

I offer structured test scenarios and test case creation, aligned with business and acceptance criteria, ensuring clear traceability and efficient execution. For teams using automation, I assist with analyzing, fixing flaky tests and improving test