1. Develop new features for the Taiwan DBS internet banking website. 2. Provide bug fixes for the Taiwan DBS internet banking website. 3. Working knowledge in JavaScript, TypeScript, React, Redux, redux-saga, and Jest.

1. Designed and developed a large-scale RESTful API system using Spring framework for Garmin Connect, a free online fitness community which has more than 30 million users. 2. Developed user interface of Garmin Connect using Backbone.js and React.js. 3. Oracle to SQL server database migration - Participated in the huge data migration process and help validate the correctness of the migrated user data. Guaranteed the correctness of user data to prevent negative impacts to users while migration process. 4. Daily works - Fixed and addressed the issues of both back-end and front-end side for Garmin Connect 5. Collaborated globally with other engineers in the USA and Romania 6. On-call support - Used serial DevOps tools to monitor server health.