● Live interaction & collaboration course websitehttps://www.learn2gather.com1) Developed the website with Angular framework, using lots of HTML5 elements (canvas, audio, video) to handle multimedia.2) Using WebSocket protocol to transport data and WebRTC to handle live streaming.3) The website is support RWD and i18n.Integrated with 3rd party API like AWS transcribe and Ping An Facial recognition (experimental function).● Trello-like Content Management System1) Developed the website with Vue + Vuex framework.

Full-Stack Developer (2016 – 2018)● Content Management System1) Design the data schema for both relational database (PostgreSQL) and NO-SQL database (Cassandra).2) Implement backend service with Node.js + Express, provide RESTful API.3) Implement front-end site with React + Redux framework.● Customized Communication Server1) Implement backend service with Node.js + Express, provide RESTful API.2) Connect with back-end server in GameCloud® and customer’s back-end server.3) Refactored module to enhance code readability, wrote unit tests and integration tests to decrease development costsBack-End Developer (2010 – 2016)● Distributed Server in GameCloud®1) Developed distributed services with XMPP protocol in Java language2) Adjust data schema and database parameter to enhance performance3) Wrote unit tests ensured 90%+ coverage and integration tests to improve the code quality● Stress Test For Gamecloud® Backend Servers1) Using JMeter tool to perform stress test and find system’s bottleneck.