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