//TIM.CHAO

// Personnel records · Personal files

Hi, I'm Tim

·Location: Taiwan

·Expertise: Full-stack Engineer + VIBE CODING

Hi, I'm Tim

mission statement

Have about five years of full-stack engineering experience, spanning financial technology and industrial IoT. He is good at discovering and solving problems, is familiar with the AI ​​native development process, and has achieved more than 2x productivity improvement. He can quickly master complex systems and optimize them.

Current Focus

Create unique products

Equipment list

  • C# / TYPESCRIPT / PYTHON
  • .NET CORE / NEXT.JS
  • MSSQL / MYSQL / POSTGRESQL / REDIS
  • LLM / RAG
  • AZURE OPENAI / AZURE COGNITIVE SEARCH
  • CLAUDE CODE / GEMINI CLI / CODEX CLI
Work history

Jan. 2026

Senior backend engineer

JKOPay

Using Nest.js to build the internal backend of the financial team, delivering 10+ backends and reconstructing a large number of technical debt projects, the maintenance time was significantly shortened by more than 50%. The underlying system architecture of cash flow operations was also restructured, and the program execution speed was increased by more than 100%.

Nov. 2023 – Present

Backend engineer

JKOPay

Use Nest.js to build the internal backend of the financial team, deliver 10+ backends and reconstruct a large number of technical debt projects, significantly reducing maintenance time by more than 50%.

Sep. 2021 – Jun. 2023

Software development engineer

Liteon Technology

Using Azure OpenAI + Cosmos DB to create a company-wide smart chatbot, which is a practical case for early large-scale introduction of LLM tools; using React to create a highly flexible monitoring dashboard for the production line, and deploying it to nine factory production lines via Kubernetes.

Educational qualifications

National Taipei University of Technology—Information Engineering (2019–2021)

National Taipei University of Technology — Department of Information Engineering (2015–2019)

language

Chinese — native language

English — TOEIC 770 / TOEFL 79