1. 開發和維護公司三款產品 (健身管、xarehub、超核心)，並管理 50 多個 app。 超核心: 從健身管延伸出來的產品，優化介面和 90% 的功能後，轉交給其他團隊進行維護。 xarehub: 使用純 Kotlin 語言撰寫，並採用 MVVM、Hilt、Retrofit、Moshi、View Binding、Coroutines + Flow。 健身管: 公司的主力產品，利用同一份 Android 專案客製化產出 50 多個 app；以 Kotlin 重構後，導入 MVVM、Hilt、Retrofit、Moshi、View Binding、Coroutines + Flow。 2. 將產品的閃退率從 10% 改善到 3% 以下。 3. 在 Android 團隊中引入 code review 制度，按期交付更高品質的產品。

Possessed solid experience of development through project-based training that spent 75+ hours per week over 16 weeks and sharing knowledge and experience with other Android class trainees every day. Published a personal application program - Fitracker - on Google Play within 5 weeks. Not only implemented features but also made code clear through refactoring and testing. Developed an e-commerce application - STYLiSH - within 3 weeks, managed development versions of the project by Git. Cooperated with Android, iOS, Front-End and Backend developers to add new features on STYLiSH. In charge of the memory game, coupon, wish list and product searching. Resolving merge conflicts with a developing partner who developed other features on STYLiSH.

Improved efficiency and reliability of LEDs Research heat mechanical of LED encapsulation