Robin Kelmen
Chasing challenges that empower humans and enhance their flourishing — especially with tech.
Work
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Compliance Ledger live · compliance.kelmen.space
A data layer for compliance numbers that defend themselves. Every value links to its source URL, verbatim quote, and the human who signed it.
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LumenBill live · lumenbill.app
Two-sided billing for freelancers and the people who pay them. Money is the object. Both sides see the same truth.
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Specimen in build
A canvas app for thinking. Three modes — quick sketch, start project, open existing. Still cooking — needs polish and BYO-API-key support across LLM providers before it ships.
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Feedy live · widget
Real apps grow faster than any solo dev can test. Users know what's broken before the team does. Feedy is a drop-in widget that turns their feedback into structured GitHub issues — for human or agentic review, ready to ship. The ghost on this card is one — click it.
Fav Stack
Tools I reach for. The list is short on purpose — these are the ones I've used long enough to know their edges.
Languages
- TypeScript
- Python
- SQL
Frontend
- React
- Next.js
- Astro
- Tailwind
Backend & data
- Node.js
- Supabase
- PostgreSQL
- Drizzle
- Zod
Cloud & infra
- AWS
- Cloudflare
- Hetzner
- Docker
- Plausible
For prototyping
- Google AI Studio
- Figma
For agentic dev
- Claude Code fav
- Codex
- Playwright
- n8n
Get in touch
Send a note
Feedback on a project, a question, an idea — anything. I read every one.
Book 30 minutes
If a conversation is more useful than a note.