Selected projects with technical depth. Each one solved a real problem for a real business.
Open-source, self-hosted text-to-speech reader with five swappable TTS engines, voice cloning, and offline PWA support.
Bug fixes and features contributed to projects I use. Maia Chess (U Toronto, Cornell, Microsoft, Harvard AI platform) and Dash to Dock (GNOME Shell extension, 4.3K stars).
Interactive multi-step wizard that calculates net salary, estimates living costs by Berlin district, and walks you through visa and admin steps. Angular frontend, Kotlin/Spring Boot backend, OpenAPI validation.
An open-source, self-hostable version of Drop with full model configurability: run it against local models via Ollama, or bring your own API keys for any provider.
AI-powered job search tool that scrapes listings from major ATS platforms, scores them against your profile, tailors your resume on demand, and tracks your pipeline. Built in seven days.
This site, rebuilt from flat HTML to Next.js with an AI chatbot, MDX content pipeline, and streaming Anthropic integration. 95+ Lighthouse score.
An automated property intelligence system that scrapes, filters, AI-analyzes, and delivers daily investment recommendations via email.
Built the marketing site and education platform foundation for a Berlin music tech startup. Pixel-perfect Figma execution in Vue + TypeScript.
Frontend rebuild, analytics integration, data pipeline migration, and a custom PHP calendar sync plugin for a wellness retreat.
Automated the entire student lifecycle at Berlin Opera Academy, reducing admin staff from 4 to 2 and saving approximately €74,000 per year.