I build the data, cloud and AI systems companies actually run on.
Senior freelance software engineer in Germany — AI, data, cloud and DevOps engineering for startups, Mittelstand and global corporates.
Currently building conversational AI analytics at Boehringer Ingelheim, with a focus on AI agents, semantic retrieval and controlled text-to-SQL.
Remote onlyClients worldwideAvailable by arrangementRate on request
Work & products
Building AI analytics at Boehringer IngelheimBuilding QualityLayer for coding agentsShipping Bahnsparer for mobile and desktopSelected clients
- Boehringer Ingelheim
- Dialpad
- Porsche
- Hubert Burda Media
- Marc O'Polo
- Climeworks
- OEW Breitband
Journey
- 08/2021 – PresentSenior IT freelancer · IndependentAI, LLMs, data, cloud and DevOps for clients in pharma, automotive, media, retail, telecommunications and agentic platforms.
- 08/2020 – 07/2021Senior consultant · NetlightSwedish IT consultancy: cloud, data and DevOps projects for several clients.
- 07/2019 – 07/2020Co-founder and CTO · WemoloCo-founded the company. Today it has 250 employees in five countries.
- 03/2018 – 06/2019Lead engineer and team lead · ParkHereIoT startup for smart parking.
- 09/2017 – 02/2018First employee · BleencoMachine learning and computer vision startup.
- 2015 – 2017Master of Science · HS PforzheimComputer Engineering.
- 2011 – 2015Bachelor of Science · HS Ravensburg-WeingartenApplied Informatics.
Things I build myself
QualityLayerApprove the plan, build test first, then review checks from an AI that did not write the code. Works with Claude Code and Codex.Live productBahnsparerCompares German rail fares, travel time and historical reliability, watches prices for a day or a range, follows the booked trip live and prepares a possible passenger-rights claim. iOS, Android and desktop.Live productDIY-ThermocamAn open-source thermal imaging camera built around the FLIR Lepton sensor. 1.2k stars, 181 forks.Open source