Job responsibilities: 1. Participate in requirement analysis, design, and development of the company's website, write relevant technical documents. 2. Responsible for backend architecture design and development work, continuously improve existing technical frameworks, provide platformization capabilities, and ensure system stability, performance, and timeliness. 3. Communicate and understand business requirements, and be responsible for technical development of new features; 4. Teamwork, participate in relevant technical research and technical breakthroughs, participate in solving major technical problems during the development and maintenance process. Familiar with agile development, participate in project management, decompose development tasks, and lead the team to complete development tasks with quality and quantity guaranteed;