1. Responsible for developing testing plans, analyzing strategies, designing test cases, executing tests, and conducting risk assessments for product modules; 2. Independently responsible for the quality assurance of product modules, including functionality, performance, safety, compatibility, automation, and other aspects; 3. Can independently develop or select suitable testing tools to improve the work efficiency of individual teams; 4. Analyze the problems in the process practice within the project team, propose effective and feasible improvement measures, and promote implementation.