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Member of Technical Staff - World Models

Stealth AI Startup · Redwood City, CA

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Company DescriptionWe scale dexterous robot policies by learning from human video. Our team of researchers and engineers comes from Meta, Google, and CMU, with a decade of work on Computer Vision, Computer Graphics, Foundation LLMs, and Robotics. Double-digit millions raised, led by a tier-one seed fund. In person in Redwood City.Role DescriptionWorld Action Models.You work on how actions are represented and learned from human data, how the video and action objectives train together, and how the model gets post-trained against what a robot actually did. Title is Founding Member of Technical Staff.Compute is a cluster of B300s. Cash is $220K to $280K depending on experience, plus founding-tier equity. O-1 and H-1B sponsorship.QualificationsYou have trained a model that outputs actions at scaleHands-on with at least one of: video generative models at scale, learning actions from unlabeled video, VLA training or post-training, diffusion or flow-matching policies.You have hit the embodiment gap in practice and can say concretely where it breaks.Released code, checkpoints, or a first-author paper people build on.You have carried a full training run alone, from data to infra to training to evaluation.You want the model to move a robot.