1. Be responsible for the demand analysis, design and development of the business system, and write high-quality code to ensure the stable operation of the system;
2. Participate in requirements review, use case review, technical proposal review, scheduling and other project related work, and cooperate with project management to deliver functions on schedule;
3. Prepare relevant design schemes and technical documents;
4. Analyze and solve problems and defects in system operation.

1. Bachelor degree or above in computer related major, 2-5 years of Java development experience or above;
2. For JVM, multithreading IO、 Deep understanding of locking mechanism;
3. Be proficient in using common open source frameworks and middleware, such as MyBatis, Springboot, SpringCloud, Redis, Dubbo, RocketMQ, ElasticSearch, etc., and understand the principles first;
4. Be familiar with MySql, Oracle, DB2 and other databases, and have a deep understanding of database transactions, locks, and indexes;
5. Be familiar with common commands of Linux, and have the ability to perform regular operations on the Linux server;
6. Strong expression and communication skills, good at teamwork;
7. Experience in Internet industry development or offline ETL development is preferred.