•Designed and implemented the e-commerce backend system for mall site and management system, including user, goods, cart, transaction, payment modules, using Spring, Mybatis, Nginx, Redis.
•Participated in the implementation of front-end web pages of mall site and management system, using React, Javascript, Webpack.
•Designed a distributed seckill system with high availability for time-limited promotion activities on Globalegrow, based on Spring Boot, Redis, Kafka and Nginx.
•Participated in the development of the internal dashboard management system from scratch to track profits and revenue for store owners, based on Java, SpringBoot, ReactJS.
•Collaborated with the team focusing on ETL, Data Cleaning, and offline Computing features.
Provided support in multiple local services AWS migration based on Cloudfront, EC2, AutoScaling, ELB and SES.