- Worked on infra to improve codebase - Extract feature framework - Cleanup dependencies

Synology Drive - Built complicated pinch animation like Photos.app in upcoming release

Synology DS chat - Sole maintainer for 4 years, continuously implemented new features and integrated new iOS capabilities - Refactored and rewrote in Swift in this 7+ year codebase, continuously increasing Swift percentage - Added unit and ui test to core logic Synology Active Insight - Architected and developed this new app in six months - Utilized RxSwift to drive UI update and integrated some SwiftUI - Managed multiple cookie storages to switch between user accounts Synology DS finder - Participate in 3.0.0 rewrite and overhaul

Catmistry - Sole developer of this relaxing game, acquired skiils to build and deploy app - Utilized Cocos2D and UIKit Dynamics to build animation and physics simulation