I'm Marvin - a software engineer based in Berlin, Germany.

Full-stack engineer with a track record of shipping production systems end-to-end. TypeScript-first, fast at iteration, driven by building things that actually get used.

• 🌈 RT One - Web-based raytracer with a distributed rendering system, one raytracer - everywhere.

• 🗺️ DocMap - Spatial canvas for team documentation, with real-time collaboration and repo integration
• 🌍 Earth Plugin - Top 30 ChatGPT plugin handling 160,000+ requests
• 💻 t3-better-auth - T3 stack template with BetterAuth, used by others in production

• 🌈 Raytracer in C# - Custom 3D renderer built from scratch
• 🦜 CHIRP - IoT biodiversity tracker using bird-sound species identification
• 📞 CallAI - Fullstack platform for creating interactive customer service call bots
• 🚴 CitiBike Data Analysis - 32GB of historical ride data