Vice CEO, DingYi Ltd. Taipei Taiwan Sep 2021 - Oct 2022● Business collaboration with customers and make sure everything runs smoothly● Evaluate the performance of employeesDatabase Administrator Manager DingYi Ltd. Taipei Taiwan Nov 2019 - Oct 2022PostgreSQL 10/12/14, NodeJS● Make the team rules and processes including coding style, git flow and commit messages... etc● Consider performance optimization, SQL analysis, data flow important● Hand on experiences such as disaster recovery, PostgreSQL database version upgrade, replication.● Design internal project for team members● Research technologies and run internal training

Web Developer Climax Technology Ltd. Taipei Taiwan Mar 2016 - Oct 2019PHP 5.5, NodeJS 6/8/10, Jenkins, MySQL 5.5, Redis● Product upgrade: provide foreign customers training, support data migration● Research OAuth2 server solution and internal training● Integration IFTTT Service, Amazon Smart Home Skill to our products● Provide API testing(Mocha) on back-end and integration testing on front-end(Selenium)● Support and make DevOps rules● Use Redis pub/sub service to build real-time web socket service