Key duties and responsibilities: 1. Design effective and comprehensive test cases according to the test case design standards. 2. Executive manual test cases in system testing. 3. Submit bugs to Jira according to bug submission standards and verify resolved bugs. 4. Other temporary tasks assigned by leader. Key Skills and Competencies: 1. Familiar with software testing processes, methods, and techniques, able to design test cases. 2. With deep insight ability to find some important defect of product. 3. Strong learning ability, strong execution ability, proactive, with a strong sense of responsibility and patience. 4. Strong communication, coordination, and motivation skills, with a good team spirit. 5. Familiar with commonly used databases, with a foundation in Java and Python languages is preferred.