• Develop, document, and maintain comprehensive test cases for iOS, Android, and web applications • Execute manual testing across multiple platforms and devices to identify bugs, usability issues, and inconsistencies • Perform thorough regression testing to ensure existing functionality remains intact after updates • Produce detailed test coverage reports and metrics to track quality assurance progress • Utilize cloud-based testing platforms such as BrowserStack to test across various device configurations and OS versions • Design and implement automated test scripts to improve testing efficiency and coverage • Collaborate with development teams to reproduce, document, and track defects through resolution • Participate in sprint planning and provide estimates for testing efforts • Contribute to the continuous improvement of QA processes and methodologies