Senior Manual QA Engineer

Perform manual functional testing of new features and system changes Validate releases, including end-to-end and integration scenarios Design and maintain test documentation (test cases, test plans, checklists) Identify, document, and track defects in a bug-tracking system Work with API (Postman, Charles Proxy) and UI to investigate issues Analyze defects and collaborate with developers to identify root causes Participate in the release process and ensure product stability