| Project | What it is | Role | Links |
|---|---|---|---|
| Kontexto | 🧠 German word game platform with a semantic word puzzle, Wördle mode and real-time multiplayer | Lead developer | Website · Source |
| MetronHR | 🕒 Time tracking and HR management web app for overtime evaluation, absences, shift planning and digital approval workflows | Lead developer | Website |
| MetronHR Mobile | 📱 Flutter app for tracking time and absences on the go | Lead developer | Platform · App Store · Play Store |
| MetronHR Desktop | 🖥️ Flutter tray app for macOS and Windows with a menu bar stopwatch, a floating mini bar and global shortcuts, built from the same code base as the mobile app | Lead developer | Platform · Mac App Store · Microsoft Store |
| MetronHR Terminal | 🪪 Flutter app for a wall-mounted RFID terminal that books coming and going straight into MetronHR | Lead developer | (not public) |
| WORKSPACE.PM Mobile | 🗂️ Flutter app for task and resource management in project teams | Lead developer of the app | Platform · App Store · Play Store |
| WORKSPACE.PM Mobile 2 | 🗂️ Second generation of the WORKSPACE.PM Flutter app, built against the new mobile API | Lead developer of the app | (in development) |
| eTraining App | 🎓 Flutter app for project management qualification with e-learning progress and Leitner-system flashcards | Lead developer of the app | Platform · App Store · Play Store |
| eTraining.studio App | 📋 Flutter app for course administration and trainers of project management seminars | Lead developer of the app | (not public) |
| eTraining 2 | 🎓 Flutter app that merges eTraining.app and eTraining.studio into a single product for course administration and project management qualification | Lead developer of the app | (in development) |
| Project | What it is | Role | Links |
|---|---|---|---|
| ROaufgaben | 📚 Web app for organising school homework | Full-stack developer | Frontend · API (archived) |
| eTraining.studio (web) | 🌍 WordPress site with template customisation, content integration and maintenance | Project lead, supervised two interns | (offline) |
| Personal website | 🌐 My own site, built with Next.js | Solo project | Source (archived) |