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Founding AI Engineer

Permanent
Technology
Senior
Founding Engineer, Python, LLM, NLP, Large Language Model, Natural Language Processing, Generative AI
Berlin
Berlin
€80000 - €120000 per annum + 120000
Apply Now
Job Alert

Founding AI Engineer - Berlin (German fluency required)

€100k ± 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 0→1, 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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