- Maintain data display webpages and admin dashboard systems. - Enhanced webpage performance by 25% and reduced memory usage by one-third using sorting algorithms. - Identified and resolved webpage crash errors caused by browser extensions, improving stability through refactoring and documentation. - Led coding style rule establishment and react-testing-library configuration

- Build internal tools for measuring the performance and comparing the difference while developing new components - Find the app's bottleneck and improve the speed of editing a huge form by 5x faster via the chrome performance tool - Improve the speed of rendering lazy-loadable content by 2x faster - Use optimistic responses and handle complex logic to improve UX - Introduce XState to make complex UX flow simpler and easier to debug - Add zoom and slide features to the existing chart library - Build reusable components for all pages

與國外不同部門工程師協作溝通，串接付款流程 與後端資料串接，撰寫新頁面 主導翻新既有元件架構，整理程式碼

負責協助分析各間證券交易、網路銀行等 APP 之 UX/UI，協助分析各平台電商經營策略等等