1. Responsible for the development, optimization, and maintenance of the company's Java backend products; 2. Participate in product requirement analysis, functional design, code writing, and testing work; 3. Responsible for the development and maintenance of key modules, ensuring the stability, security, and high performance of the system; 4. Participate in technological breakthroughs, research and application of new technologies; Collaborate with the team to achieve project progress and quality objectives\ "