Felix Han
AI Application Engineer — TypeScript/React → AI systems, shipped and measured.
Projects
- RAGX 0.97 retrieval · 0.98 answer accuracy
Ask a corporate annual report a question, get a cited answer you can verify.
- learn-to-ship Shipped live on Hugging Face Spaces in a day
Given everything I could learn next, it names the one item that best closes the gap between me and the jobs I'm targeting — with the reason attached.
Writing
- How I Work with AI
I was using AI every day and none of it accumulated. The fix was three layers — and an inventory that catches me lying to myself.
- Learning to Ship
I built an agent to tell me what to study next. Its first answer was: build this.
- The AI Tools Strategist
Building a tool to tell me which AI tool to use — and why an ordinary person needs one.