Research Member of Technical Staff- Post-training & Robot Learning

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At Rhoda AI, we’re building the next generation of generalist intelligent robots. We own the full robotics stack from high-performance hardware and robot systems to the infrastructure and state-of-the-art foundation world models that control our robots. Our robots are designed to be generalists capable of operating in complex, real-world environments and handling long-tail edge cases, made possible by our cutting edge research and end-to-end system design. We've raised over $450M and are investing aggressively in model research, infrastructure, hardware development, and manufacturing scale-up to make generalist robotics a reality.

We're looking for Research Scientists and Research Engineers with deep robotics or autonomous systems domain knowledge to adapt our web-pretrained video model to real robot tasks. Post-training at Rhoda means taking a causal video generation model pretrained on internet-scale data and fine-tuning it on robot-collected demonstrations to produce reliable, generalizable behavior — with as little task-specific data as possible. We hire across levels — from senior to staff.

What You'll Do

- Design and implement RL training pipelines to improve robot policy performance beyond what imitation learning alone achieves — reward design, online data collection, and policy optimization

- Develop and apply RL algorithms (PPO, GRPO, or similar) adapted to the video prediction setting, including reward modeling and feedback collection strategies for physical task performance

- Design and implement broader post-training pipelines: supervised fine-tuning, preference optimization, and behavioral alignment on robot-collected demonstration data

- Work on the inverse dynamics model that translates video predictions into executable robot actions

- Build evaluation frameworks for post-trained policies: task success, generalization to novel objects and environments, and failure mode analysis on real hardware

- Research methods to efficiently adapt models to new tasks with minimal demonstration data, including in-context generalization and few-shot adaptation

- Identify failure modes and systematic weaknesses in deployed robot policies and drive targeted improvements

- Iterate quickly between simulation and real robot evaluation to close the feedback loop

- Collaborate with the pre-training team to surface what capabilities are missing from the base model and need to be addressed upstream

What We're Looking For

- Hands-on experience with robot systems, robotic policy learning, or autonomous systems in an industry or research setting (robotics, self-driving, or similar physical AI domains)

- Strong understanding of robot policy learning: imitation learning, behavior cloning, and how RL builds on top of it

- Practical familiarity with real robot hardware, deployment constraints, and sensor modalities (vision, proprioception)

- Solid ML skills with hands-on PyTorch experience

- Ability to diagnose policy failures, reason about distribution shift, and iterate effectively on data and training strategies

- Comfort with ambiguity and fast-changing research priorities

- Staff-level candidates are expected to define technical direction and drive research strategy independently; senior candidates execute complex projects with strong fundamentals and growing scope

Nice to Have (But Not Required)

- Hands-on experience with reinforcement learning — reward design, policy optimization, and online RL training loops — applied to real or near-real environments (robotics, games, simulated physics, or similar); this is a significant plus

- Prior industry experience in robotics, autonomous driving, or physical AI (e.g., manipulation, mobile robotics, self-driving stacks)

- Experience with teleoperation systems or robot demonstration collection at scale

- Familiarity with robot middleware (ROS/ROS2) and real-time control systems

- Experience with simulation environments for robotics (MuJoCo, Isaac Sim, Genesis)

- Understanding of video generation models and how they connect to action prediction

- PhD in Robotics, ML, or a related field

- Publication record at ICRA, CoRL, RSS, NeurIPS, or related venues

Why This Role

- Your work is what makes our robots actually perform tasks reliably in the real world — the direct connection between pre-trained capability and deployed behavior

- Work at a rare intersection: state-of-the-art video generation models applied to real robot hardware, not simulation

- Fast feedback loop between model changes and real robot performance

- High ownership on a small team where robotics domain expertise is core to the mission

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