Job Description

Founding AI Engineer - Berlin (German fluency required)

k ± 20% | equity | Full-time, on-site

We're building the AI automation layer for the construction industry - live at major enterprises and already saving teams up to 90% of back-office time. Join us in Berlin as our Founding AI Engineer to shape and scale high-impact, real-world GenAI use cases from day one.

Why join

  • Be among the first hires at a well-funded startup backed by top construction tech VCs.

  • Own and ship production AI: From messy unstructured data (PDFs, drawings, scans) to fast, customer-facing automation.

  • Build an AI platform that's already proving massive ROI in an industry ripe for transformation.

    • What you'll do

  • Design, prototype, and productionize LLM-powered use cases end-to-end.

  • Continuously improve ML and data pipelines.

  • Optimize evaluation and experimentation workflows.

  • Work directly with the founders (ex-Alcemy, Capmo, Walnut).

    • You're a fit if you

  • Have 3+ years building and shipping applied AI or ML products.

  • Love working 01, owning customer problems end-to-end.

  • Are fluent in German (spoken/written) and based in Berlin (or willing to relocate).

  • Thrive in small, fast-moving teams with high autonomy.

    • Bonus

  • Experience at early-stage startups or founding teams.

  • Past wins shipping GenAI in production (prompt tuning, RAG, evals, etc).

    • Tech stack

    Python, FastAPI, Supabase, Weaviate, AWS, OpenAI, Gemini, Langfuse, Retool.

    Want to shape the future of construction with AI? Let's talk.
    Berlin | German fluency required | On-site, high impact

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