Responsibilities Own end-to-end testing of web applications and APIs, including functional, integration, regression, and E2E testing to ensure system quality and stability; Design, develop, and maintain comprehensive test cases to improve test coverage; Lead or contribute to building automated testing frameworks (API automation, E2E automation, etc.); Write test scripts and testing utilities using Python to improve efficiency and scalability; Perform API testing (REST / GraphQL) and validate business logic and data integrity; Manage and track defects, collaborate with developers to reproduce and resolve issues; Set up and maintain test environments, and integrate automated tests into CI/CD pipelines; Collaborate closely with product and engineering teams, participate in requirement reviews, and identify risks early; Analyze production issues and logs to continuously improve testing strategies and quality systems. Qualifications Bachelor's degree or above in Computer Science or related fields preferred; 3+ years of experience in software testing, preferably in web or internet applications; Strong understanding of software testing methodologies (functional, regression, integration testing, etc.); Proficiency in Python, with the ability to write test scripts or automation tools; Hands‑on experience with automation frameworks such as pytest, Cypress, Playwright, etc.; Familiarity with API testing tools (e.g., Postman, and testing methodologies; Experience with defect tracking and collaboration tools (e.g., Jira, Notion, Trello); Strong analytical and problem‑solving skills; Detail‑oriented, responsible, and a strong team player with good communication skills. Proficiency in Mandarin Chinese (spoken and written). Preferred Qualifications Experience in front‑end or back‑end development, with the ability to read/debug code; Familiarity with CI/CD pipelines (e.g., Jenkins, GitHub Actions); Experience with performance/load testing tools (e.g., Locust, JMeter); Experience testing microservices or distributed systems; Familiarity with logging/monitoring tools (e.g., Grafana, Loki); Ability to design test strategies and drive quality improvements. #J-18808-Ljbffr