Java Engineer
Job Description: 【Responsibilities】1. Responsible for daily maintenance, feature iteration, and defect resolution of existing business systems; prepare technical documentation based on system requirements and participate in technical solution reviews. 2. Independently and efficiently complete business code development and unit testing according to design documents, ensuring delivery quality. 3. Participate in the development and maintenance of system modules, assist in troubleshooting performance bottlenecks during system operation, and collaborate with the team to complete