Responsibilities 1. Own end-to-end testing of web applications and APIs, including functional, integration, regression, and E2E testing to ensure system quality and stability; 2. Design, develop, and maintain comprehensive test cases to improve test coverage; 3. Lead or contribute to building automated testing frameworks (API automation, E2E automation, etc.); 4. Write test scripts and testing utilities using Python to improve efficiency and scalability; 5. Perform API testing (REST / GraphQL) …