1) Responsible for the deployment, maintenance, and daily operation support of the company's core systems (including Java backend services, big data platforms, management backends, message middleware, etc.);

2) Build and optimize the monitoring system to promptly identify and address service anomalies, ensuring high system availability;

3) Participate in DevOps activities such as system go-live, configuration release, change management, and version control;

4) Maintain and optimize middleware components such as Kafka, Redis, MySQL, MongoDB, Elasticsearch, etc.;

5) Assist the development team in troubleshooting, performance tuning, and capacity assessment;

6) Write automated script tools to enhance operational efficiency;

7) Manage Linux servers and cloud platform resources (such as AWS, Aliyun, K8s, etc.), participate in architectural planning and resource cost optimization;

8) Assist in establishing operational standards, process documentation, and emergency response mechanisms.