Lim Yi Xuan
林宇軒 · “Kael”
Full-stack engineer & IT lead
I build web platforms and the AI tools that run on them.
- Now
- IT Lead, Tzu Chi Foundation · Hualien, Taiwan · since 2023 · leads a team of 5–8
- Background
- Working since 2019 · BSc Information Technology & Management
- Languages
- Mandarin (fluent) · English (intermediate, TOEIC 785) · Malay (basic)
Get in touch
kaelsohappy1@gmail.com I reply in English or Chinese.
Proof you can check
Open them yourself. No login, no technical knowledge needed.
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Live
Builds the foundation’s public websites
- www.tzuchi.org.tw (external site)
The Tzu Chi Foundation’s main site, moved from Joomla to static pages, and live.
Case study - 60immex.tzuchi.org.tw (external site)
The site for the Harvard CAMLab × Tzu Chi exhibition. I built the site; the exhibition is Harvard CAMLab’s and the foundation’s.
Case study
- www.tzuchi.org.tw (external site)
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Open source
Open-source platform in daily use
drust, my Rust backend, is public on GitHub and runs 6 Tzu Chi sites and tools in use.
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Certified
Certified in AI
MOEA iPAS AI Application Planner, 2026. Both papers passed (70 / 76).
Abilities at a glance
The top two in each area, with their level. Each name opens the work that proves it.
- Web front-end
- Public websites Proven · Web Components Proven
- Backend & data
- Backend services & APIs Proven · Site & data migration Proven
- AI engineering
- Retrieval with citations (RAG) Proven · AI agents & tool use Proven
- Infrastructure & security
- CI/CD & edge deployment Proven · Containers & self-hosting In use
- Engineering practice
- AI-native development Foundation · Automated testing Proven
- Leadership & product
- Turning staff needs into tools Proven · Team lead & delivery In use
Toolbelt
Plain keywords, so you can match them against a job description.
TypeScript · Python · Rust · SQL · React · Next.js · Astro · Lit · PostgreSQL · Supabase · Docker · Cloudflare · GitLab CI · Claude Agent SDK · MCP · RAG