Analyze business and technical requirements to build test strategies. Design, document, and execute manual test cases and regression suites. Identify, log, and track software defects using Azure DevOps or similar tools. Perform functional, regression, integration, and UAT testing. Collaborate with developers and PMs to resolve issues quickly. Maintain QA documentation including test cases, test results, and traceability. Contribute to continuous improvement of QA processes, tools, and standards. Support the SDLC by participating in Agile ceremonies.