Liyang

2019/11 ~ now Senior Frontend Engineer •  Cloudware

Exchange system, major in system design, performance tuning and lead frontend with 4 members. (React, typescript, styled component, graphQL, nextjs, jest, cypress, koa)

• Making git and code review flow. Create CI/CD with gitlab, aws pipeline, ecs, code build.
• Frontend project for exchange and agent site. Base on nextjs and apollo client (graphQL), project with different service deploy.
• Performance tuning for websocket real-time data update (5 time/second). Improving CPU usage from 80% to 10%.
• Performance tuning for pubsub server, reduce server quantity from 200 to 20 in peak time.
• Backend and frontend pressure test avoid service break with lots request.
• Auto testing structure.

2017/07 ~ 2019/11 Senior Frontend Engineer •  Growth Machine

Exchange system: 

• Same as cloudware (same team develop).

Gaming platform (React, redux, nextjs)

• Making git and code review flow. Using line and telegram as system alarm and CI/CD notification.
• 5 different angular project migrate to 1 react project with nextjs and redux. The same action flow but different display component.
• CI/CD with local server, gitlab linux and aws ec2.

2016/05 ~ 2017/06 Frontend Engineer •  Adecco in Yahoo

• Yahoo dictionary migrate to react flux structure from YUI. CI/CD with Bundle code by webpack, e2e testing by Selenium Protractor, unit test by Mocha.
• Yahoo news, car, money, movie and sport site maintain and feature develop.
• Yahoo money CI/CD upgrade with e2e testing.

2015/04 ~ 2016/05 Software Engineer  •  Onelab

• New site with asp.net MVC structure. View by react.
• Bundle js and compress, dynamic change HTML js import.