About Me

Full-Stack Engineer with 5+ years of experience, including 3+ years in professional backend and payment system development. Skilled in end-to-end application architecture — from RESTful API design and relational database schema planning to AWS cloud infrastructure. Proficient in AI-assisted development using tools like Claude and Cursor, and experienced in integrating LLM APIs into production applications. Grounded in TypeScript, Node.js, C#, and modern full-stack technologies, with ongoing cloud computing studies at George Brown College.

AboutExperience

Experience

Professional experience and career achievements.

Backend Engineer

Collaborate Technology

April 2021 - August 2023 • Taipei, Taiwan

C#RESTful APIsMSSQLPayment SystemsDatabase Optimization

Designed and integrated RESTful APIs with third-party payment systems, ensuring secure and reliable transaction processing
Developed comprehensive logging systems to track payment transactions, enabling rapid debugging and improving system reliability
Optimized complex MSSQL database operations and queries, resulting in improved performance and faster response times
Collaborated with cross-functional teams to deliver scalable backend solutions supporting high-volume transactions

Software Engineer

Harmonation Inc.

November 2020 – April 2021 • Taipei, Taiwan

C#Windows ApplicationsMSSQLBanking SystemsUI/UX

Developed and optimized Windows applications for banking sector, improving user interface efficiency and reducing transaction processing time
Built robust C# applications with MSSQL database integration, enhancing data retrieval capabilities and system performance
Implemented database optimization strategies that significantly improved query response times and overall application performance
Delivered solutions that increased customer satisfaction through improved application reliability and user experience