(Remote) Founding Full-Stack Engineer

The construction industry loses $1.6 trillion annually to inefficiencies — not because people are careless, but because critical knowledge is trapped in PDFs, transcripts, and scattered systems. Every new project starts from scratch. We're building the opposite: an AI co-worker that extends the Projektsteuerer (the person who runs complex construction projects), while every project makes our system measurably better. The moat isn't the model — it's the compounding project memory no competitor can replicate. Pre-seed led by Realyze Ventures — LPs include Zech and other major European construction groups. Co-investors: D11Z (the family office behind Aleph Alpha) and the CDTM Venture Fund (backed by 300+ CDTM alumni including founders of Personio, Alasco and the Technical Director of DeepMind). Our software is running today on a major autobahn construction program and an S-Bahn transit program — multi-year timelines, hundreds of thousands of pages of specs, protocols,