Sep 2022 – Present
🔧 Core Backend Engineer, Nexify Limited, Taipei

Building and maintaining large-scale government systems using C# / .NET 6–8, SQL Server, EF Core, and NexTore framework. End-to-end backend development across complex workflows, legal/financial documents, and multi-role access control.

C# .NET 6-8 SQL Server EF Core Vue 3 DevExpress Jenkins Nginx Hangfire

Backend Development
• Designed APIs, business logic, and database schemas for government systems (Official Receiver's Office, Building Department, Housing Authority)
• Developed bankruptcy applications, cashbook, account review, and creditor communication modules
• Optimized LINQ queries and stored procedures for performance and data integrity

Document Automation & e-Signature
• Built Word/PDF generation pipeline with field mapping, template merging, and multi-file assembly
• Implemented dynamic PDF e-signature using DevExpress with multi-party signature support

DevOps
• Set up Jenkins CI/CD pipelines for automated deployment and environment switching
• Upgraded services from .NET 6 → .NET 8 and managed multi-environment deployments

May 2020 – Sep 2022
🧪 Software Engineer, Yuan Li Instrument (Olympus TW), Taipei
C# WinForm OpenCV Cognex Motion Control SECS/GEM Git
• Designed and optimized AOI systems
• Integrated vision, motion, and GUI-based control software
Jul 2018 – Jul 2019
👨‍💻 Intern, Long Hong Technology, Taichung
MATLAB OpenCV Image Processing
• Used image processing to classify 40+ panel defect types
Jun 2017 – Jul 2018
👨‍💻 Intern, Gigawin Technology, Taichung
C# MATLAB Python OpenCV YOLO
• Built a C# desktop app for real-time goose egg monitoring
• Developed a deep-learning egg detection system (96% accuracy, 11x FP reduction)
Jul 2016 – Aug 2016
🎮 Intern, Guang Chen Technology, Taichung
Go Git
• Developed card game AI strategy to enhance gameplay experience
Jul 2016 – Aug 2016
🕹 Intern, Axis 3D Technology, Taipei
Unity C# Leap Motion VR HTC Vive
• Created interactive VR games integrating Leap Motion and HTC Vive