I build the data, cloud and AI systems companies actually run on.
Senior IT freelancer in Germany — agentic AI, data, cloud and DevOps engineering for startups, Mittelstand and global corporates.
High-level and hands-on: I design the architecture and I ship the code.
NowAI Technical Advisor, Dialpad — agentic enablement for telephony engineeringbuilding Pilot Shell in the openshipping Bahnsparer for mobile and desktop
Selected clients
- Dialpad
- Boehringer Ingelheim
- Porsche
- Hubert Burda Media
- Marc O'Polo
- Climeworks
- OEW Breitband
Things I build myself
Pilot ShellMy own engineering framework for Claude Code and Codex CLI: spec-driven planning, goal-and-loop builds, enforced TDD and persistent memory. 2k stars.Live productBahnsparerCompares German rail fares, travel time and past punctuality, alerts you on new low prices and follows your trip live — iOS, Android, macOS, Windows and Linux.Live productDIY-ThermocamAn open-source thermal imaging camera built around the FLIR Lepton sensor. 1.2k stars, 179 forks.Open source