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Role description

Founding Machine Learning - World Models

One Robot logoOne RobotYC W26
Founding roleAI-native
TypeFull-time
WorkplaceOn-site
SenioritySenior
Salary$150,000–$275,000
LocationSan Francisco, CA
Posted8/5/2026
Engineering

We build world models that simulate manipulation scenes faithfully enough to validate, and one day, train policies without touching a robot. You'll develop generative models that make this work, with the controllability and physical fidelity to match real-robot behavior.

What you'll do:

  • Train video and dynamics models: Develop world models with action conditioning for manipulation policies.

  • Push long-horizon coherence: Develop architectures and training methods that extend rollout quality on hard physical tasks.

  • Own training infrastructure: Run multi-GPU clusters, write custom CUDA, debug at scale.

  • Build the world-model data engine: Design, implement, and improve a data engine that allows the world model to compound learning across customers and manipulation tasks.

Requirements:

  • Very strong coding in Python and PyTorch (or similar).

  • Video generation experience: Deep experience training image or video generation models end-to-end.

  • Large-scale training: Track record operating training runs at cluster scale.

  • 3D vision: Working knowledge of multi-view geometry, scene reconstruction, and physical priors.

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Company info

One Robot logo

One Robot

World models for robot evals and training.

YC W26Under 5 employeesBrand newAI-product
Founded2025
HQSan Francisco, United States
Unlock human wisdom
ThesisTermsPrivacy
Size
1–10 employees
IndustryResearch Services
Funding
  • Seed · $500K · Jan 1, 2026
Investors
Y Combinator
Tech stackpython, cuda, pytorch

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