Senior PHP Engineer 2020/11 ~ Present Used DolphinPHP Framework to maintain backstage system. Used Swoole c ustom framework to develop system common module. Developed risk management modules on old platforms. Used Swoole custom framework to develop sport game platform backend. Used Hyperf Framework with set Nginx module to develop live streaming chatroom (side project). Used PHP Puppeteer to develop online streaming spider service . Lead Advance Technology - Senior PHP Engineer 2019/12 ~ 2020/10 Used Yii2 Framework to develop backend system. Refactor an legacy account core service , fixed a long-term