Job responsibilities: 1. Directly participate in product interface and functional testing; 2. Proficient in performance or automation testing, both must meet one of the following requirements: 4. Proficient in Java or Python language; 5. Responsible for writing test cases, test execution, defect tracking, test reports, etc; 6. Identify and submit issues related to the online testing environment, follow up on and drive problem resolution; 7. Improve testing methods and enhance testing efficiency.