Software Engineer · TypeScript & .NET · Germany
I'm a software engineer at LIST AG. Most of my work today is full-stack TypeScript on Bun: Next.js and Hono apps, a shared React design system and the tooling around them. Next to that I still write .NET / C# tools and apps, and I dig into game-server internals in Rust and Java. I like software that's lightweight, well tested, and does exactly what it promises.
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PRIVATE A modular community platform for tactical gaming groups: web app, Expo mobile app, Hono API and a Discord bot in one Bun monorepo. Plugins per game, a map planner, ten UI languages and about 6,700 tests.
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PRIVATE · docs The React component library behind all my apps: 200+ components on Base UI and Tailwind v4 with OKLCh tokens and light/dark themes. Now at v2.48, published to GitHub Packages.
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PRIVATE · web app A unit converter that takes input the way you'd ask (
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PRIVATE A large language model series built from scratch (Spin · Ferrite · Dynamo): custom tokenizers, training pipeline and chat, from a CPU-friendly ~7M model to larger GPU models.
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PUBLIC A Minecraft Java Edition 26.3 server written from scratch in Rust: no vanilla classes, no JVM. Handshake, server list and login work; configuration and play state are next.
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PUBLIC A server-side Fabric mod for Minecraft 26.3 that ticks Overworld, Nether and End in parallel on worker threads, with cross-dimension work deferred safely to the server thread.
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My earlier .NET command-line tools, such as ChaosCLI, PerfPulse and FileChronicle, are open source under the MIT license. More on my portfolio.
Languages: TypeScript · C# · Python · Rust · Java · C · SQL
Backend & data: Bun · Hono · .NET · ASP.NET Core · PostgreSQL · Drizzle ORM · EF Core · SQLite
Frontend & mobile: React · Next.js · Tailwind CSS · Expo / React Native · .NET MAUI · Blazor
Tooling & DevOps: Docker · GitHub Actions · Nix · Linux · Git · PowerShell