Sam Yeh (Yeh Sung-Lin)
+886 970 120 269
samyeh621109@gmail.com
linkedin.com/in/sam-yeh
github.com/Samyeh621109
A technology leader with 40 years of IT expertise and 26 years of cross-disciplinary management experience. Specializing in full-stack development, scalable backend solutions, DevOps, electrical engineering, legal consulting, and mechanical design. My technical journey spans from UNIX and C++ to modern containerized microservices and edge AI deployments, encompassing a full spectrum of knowledge from hardware to software development. This diverse background enables me to tackle challenges from multiple perspectives, delivering innovative and scalable business solutions while integrating 3D modeling, maker projects, and AI agents into practical applications.
Core Skills
Programming
Hardware & Embedded Systems
3D & Creative Design
Technical Journey Milestones
Participated in UNIX, VB, and ANSI C certification courses at the National Chiao Tung University Computing Center. Developed PLC automation systems for electromechanical control, establishing foundational computer skills and hardware integration expertise.
Explored DOS, BASIC, and Pascal. Engaged in hardware assembly and basic networking setup. Learned HTML for web development, explored multimedia technologies, and began developing with 8051 embedded systems. Set up early network architectures and enterprise collaboration systems.
Worked on UV fiber coloring system development at Hsinchu Science Park. Developed coloring control software (C++), interactive e-books and multimedia content, B2C e-commerce websites (PHP Laravel), stock analysis platforms (Java), gaming websites (C++/Unity), contracted RPG strategy game design (Unreal Engine), and enterprise online photo processing services (C#).
Led comprehensive campus digitalization at a high school, implementing a full campus network. Introduced SCORM-compliant digital teaching materials and coached students to win programming competitions.
Built a dealer management system based on CodeIgniter, developed a multilingual translation database. Managed localization projects for Japan and Southeast Asia. Led digital transformation of office equipment, developing LINE Print, remote monitoring, and cloud maintenance systems.
Designed custom IoT sensor boards and integrated Tesseract OCR into ARM edge devices. Expanded IoT applications with ESP8266. Containerized services and implemented CI workflows. Developed a multi-tier device management system with Next.js, Redis, and web telemetry, integrating device monitoring, LINE meter reading, maintenance systems, and remote control. Developed Android/iOS mobile apps.
Studied law at Soochow University, focusing on cybersecurity and patent law, and integrated cryptography and authentication into products. Developed LINE LIFF apps for online-offline integration. Refactored backend systems into microservices architecture. Explored 3D modeling and printing for prototyping, and designed maker courses combining ESP32 and WebSocket for machine and sensor control.
Developed PWAs with offline scanning and OCR capabilities, integrating AI models for simplified and traditional Chinese recognition and translation. Focused on computer vision and Vision Transformer models for office equipment auto-diagnosis and applications. Built secure RESTful APIs with Rust's Actix Web framework, featuring RBAC permissions, JWT authentication, and PostgreSQL-based multi-tenant CMS platforms. Integrated AI agents with IoT devices and applied advanced 3D modeling to commercial uses.