1. Developed a scheduling system and designed the algorithm to improve the correctness of timetable, making it more flexible for teachers to arrange time and distribute class schedules to students and making it possible for students to choose desirable teachers

2. Designed a distributed backend system including the gateway, an user module, a course module and an activity module of the Official APP with Spring Cloud

3. Managed a small team and was in charge of code review and task distribution

1. Developed homework, exam, learning systems with Redis, Rocket MQ

2. Collected and Dealt with learning data, exam data and homework data of students with Spring Cloud to generate learning reports for students

3. Designed and developed the user system including authentication, limiting, registration, login and interaction with the order system and the booking system

4. Implemented the user tags system using Elasticsearch, Rocket MQ and task scheduling in order to warm up users

5. Optimized and refactored the old system to implement microservice architecture and improved the overall performance by 50%

1. Worked with team members to optimize several API interfaces and decreased the response time of each API

2. Implemented online insurance, cancellation, and claim settlement process of insurance products