1. Perform manual testing of mobile applications across multiple platforms and devices. 2. Design, execute, and maintain test cases, test scenarios, and test scripts. 3. Identify, document, track, and verify defects throughout the bug lifecycle. 4. Participate in Agile and Scrum ceremonies, including stand-ups, sprint planning, and retrospectives. 5. Develop and execute automation test scripts for mobile applications. 6. Collaborate with developers and QA team members to ensure product quality. 7. Validate bug fixes and conduct regression testing activities. 8. Maintain testing documentation and prepare test reports. 9. Contribute to the improvement of testing processes and automation frameworks.