Job description: 1. Develop testing plans and schemes based on requirements and design documents, design test cases and data, execute tests and record test results; 2. Analyze and solve problems discovered during testing, write test reports and defect reports, and collaborate with developers to resolve defect issues; 3. Participate in product planning and requirement analysis, provide testing suggestions and opinions; 4. Conduct bug verification, communicate the testing situation with the development department based on the test results, urge the development department to solve problems, correct defects found during testing, and improve functionality; 5. Continuously learn new testing techniques and tools to improve testing efficiency and quality.