Hey, I'm Andy!

Software engineer, builder, and knowledge sharer.

A Brief Timeline

2024–2025 Software Engineering Intern @ NTTU
Developed and maintained systems related to student affairs and university administration.

2025–Now MES Backend Engineer
Building MES-related systems and integrating heterogeneous systems across manufacturing environments.

10/01/2026分散式系統8 min read閱讀約 8 分鐘

為什麼分散式系統常使用 GUID？

09/29/2026MES Domain4 min read閱讀約 4 分鐘

用投入、轉換事件與產出建立批號履歷，保留數量、單位與更正關係，支援向前追影響範圍及向後查來源

09/29/2026併發控制2 min read閱讀約 2 分鐘Featured精選

區分同一請求重送與不同請求競爭，使用冪等鍵、交易和版本條件，避免報工重複入帳與數量被覆寫