1. Participate in the architectural design discussions and technical research of the payment system.

2. Set up the system development environment, complete the design, coding, and unit testing of the specific implementation plan.

3. Write detailed design documentation for the system.

1. Bachelor's degree or higher, experience in an internet company, with over 5 years of work experience, and experience in designing and developing large websites or high-traffic business solutions;

2. Proficient in Java, with a deep understanding and practical experience of JVM, multithreading, network I/O, and locking mechanisms;

3. Familiar with MySQL database and principles, skilled in using SQL statements and optimization, with a thorough understanding of database transactions, locks, and indexes;

4. Familiar with distributed service architecture and distributed caching, capable of implementing high concurrency and high availability systems.

5. Familiar with open-source projects such as Spring, Spring Boot, MyBatis, Redis, Kafka, MQ, Zookeeper, Dubbo, etc.;

6. Practical experience with Spring Cloud microservices;

7. Over 5 years of JAVA project development experience; experience with large projects is preferred;

8. Strong communication skills and self-management motivation;

9. Ability to lead a small team to complete projects or subsystems and nurture the team.