Job responsibilities; 1. Responsible for product requirement analysis, system design, and database design; 2. Participate in product requirement analysis, delve into requirements, and study project technical details; 3. Write relevant technical documents according to company requirements and standards; 4. Solve the problems and difficulties that arise in the project, as well as optimize the performance of the system; 5. Regularly summarize and share the experience and achievements accumulated in work; Maintain good communication and interaction with team members.