Functional Duties / Key ResponsibilitiesDevelop and manage QA plans, test strategies, and execution timelines for assigned projects.Design and execute test cases including functional, regression, API, integration, and end-to-end testing throughout the development lifecycle.Identify, document, and track defects using issue-tracking tools (e.g., JIRA), providing clear reproduction steps and impact analysis.Prepare and maintain QA documentation such as test plans, test cases, and test reports to ensure product quality and process transparency.Monitor product quality, analyze recurring issues, and support continuous improvement of QA processes, tools, and testing frameworks.Collaborate closely with cross-functional teams (Developers, PM/PDM, Operations) to investigate issues, mitigate risks, and ensure high-quality releases.Participate in requirement reviews, test planning, and release discussions to identify quality risks early in the development cycle.Provide guidance and support to junior QA members in test preparation, execution, and best practices.