Work
Things I’ve built
Client work, my own products, open source and experiments. Pick one, or scroll through all of them.
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PstrykWeb
Bespoke websites for local businesses, ordered through one online form. Built for Cetuspro.
Tools: Next.js · TypeScript · Vercel
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Linkoglot
Snap a photo, get flashcards. A subscription language app in 30 languages, shipped solo to both stores.
Tools: Expo · React Native · Supabase · RevenueCat · Lingui
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Neoteric Clockful
A role-based time tracker built with AI agents in about 9 days, with 118 automated tests. Code private.
Tools: Next.js · Supabase · PostgreSQL · TanStack Query · Playwright
Chapter Code private · walkthrough on request -
3D Space Portfolio
My old portfolio: a WebGL flight from Earth to Neptune in 12 camera stops, with 13 hand-written shaders.
Tools: three.js · React Three Fiber · GLSL · GSAP · Vite
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muszarski.com
This site: Astro, Lingui in three languages, 99+ on mobile Lighthouse, built with a Claude Code setup I can show.
Tools: Astro · TypeScript · Lingui · Tailwind CSS · Claude Code
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lingui-translate-ai
An npx CLI that translates Lingui catalogs with an LLM. It grew out of Linkoglot.
Tools: TypeScript · Node.js · Lingui
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Malatro
A Balatro-style card game where every card is a real Polish matura maths task. Built with AI.
Tools: React · WebGL · OGL
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yws.lu
A 3D landing page for Youth Work Synergy, an organisation in Luxembourg.
Tools: React · three.js · GSAP
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Lingotype
A vocabulary trainer: learn words by typing them. A team project with Fabian Dróżkowski.
Tools: TypeScript · Drizzle · Neon · Better Auth
There's more.
There are actually a lot more projects I've built that I won't show here: they live in private repositories. I mean, I could show you, but then I'd have to neutralize you, you know? 😉