Build the future of architecture
1zu100 is automating construction planning. Together with exceptional architecture firms, we plan multi‑unit residential buildings and deliver completed, permitted plans as a service.
TL;DR
We are looking for one cracked founding engineer to build the AI that plans large residential buildings end to end: the agent harness, the data and context layer, and the evals. You work in a small, high‑agency team on real projects that ship right away.
The core of the role
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Harness engineering: You build and run the layer around the model end to end: memory, tool orchestration, verification, drawing and document generation, so the output stays consistent and code‑compliant at scale.
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Data and context: You turn messy planning data (CAD/BIM models, PDFs, site surveys, building codes) into the right context at every phase, always traceable back to its source.
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Evals and benchmarks: You build the eval harness (datasets, regression tests) and measure our agents against the architectural rule sets and judgment calls.
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BIM and IFC automation: You connect to the architect's toolchain (Revit, ArchiCAD, IFC) to drive automated modeling and clean interoperability.
What we're looking for
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Hands‑on experience with harness engineering: agents, tool orchestration, evals.
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High agency and an entrepreneurial drive. Ideally you have founded before or want to. You find the work yourself and move fast.
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Experience in a high‑growth environment (startup, scale‑up or similar).
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Nice to have: German, Revit, IFC or Grasshopper, a non‑linear CV and experiments with reinforcement learning (MCTS, GRPO, RLHF) or diffusion models (discrete and continuous).
What we offer
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A fast‑paced environment at a fast‑growing startup, with a steep learning curve
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Competitive salary and a stake in the company, with first‑hire upside
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Real projects that ship right away
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You build right alongside the founders, in the same codebase on the same hard problems
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Wellpass and unlimited coffee from a professional barista
We’re a small team with an extremely high bar. If you want to work deeply on hard problems and change the way construction planning is done, you’re the one we need.
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