\Job description: 1. Develop testing plans and schemes based on requirements and design documents, design test cases and test data, execute tests and record test results; 2. Analyze and solve problems found during testing, write test reports and defect reports, cooperate with developers to solve defect problems; 3. Participate in product planning and requirements analysis, provide suggestions and opinions on testing; 4. Conduct bug verification, communicate with the development department on testing results, supervise 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.