Helix AI Engineer, Reinforcement Learning

Figure is an AI robotics company developing autonomous general-purpose humanoid robots. Our goal is to build embodied AI systems that can perceive, reason, and act in the real world. Figure is headquartered in San Jose, CA, and this role requires 5 days/week in-office collaboration.

Our Helix team is responsible for developing the core AI systems that power humanoid autonomy. We are looking for a Helix AI Engineer, Reinforcement Learning to develop learning systems that enable robots to acquire skills through interaction, feedback, and experience.

This role focuses on applying and advancing reinforcement learning across simulation and real-world environments—improving policy performance, robustness, and long-horizon decision-making in embodied systems.

Responsibilities

Design and implement reinforcement learning algorithms for embodied agents operating in real-world and simulated environments

Train policies that learn from interaction, feedback, and large-scale experience across diverse tasks

Develop reward modeling, credit assignment, and exploration strategies for complex, long-horizon behaviors

Improve policy robustness to real-world challenges such as noise, partial observability, and environment variability

Work across online and offline RL settings, including learning from large-scale logged robot data

Collaborate closely with pretraining, video, generative, agent, and robot learning teams to integrate RL into the full autonomy stack

Build scalable training systems for RL, including distributed rollouts, simulation infrastructure, and experiment management

Design evaluation frameworks to measure policy performance, stability, and generalization

Requirements

Experience developing and applying reinforcement learning algorithms in complex environments

Strong understanding of RL fundamentals (e.g., policy optimization, value methods, model-based RL)

Experience training policies in simulation and/or real-world systems

Proficiency in Python and deep learning frameworks such as PyTorch

Experience with large-scale experimentation and distributed training systems

Strong experimental rigor and ability to diagnose and improve learning systems

Solid software engineering skills and ability to build scalable, reliable systems

Ability to operate independently and drive ambiguous, high-impact technical problems

Bonus Qualifications

Experience applying RL to robotics, control systems, or embodied AI

Experience with large-scale RL infrastructure (distributed rollouts, simulation at scale)

Background in offline RL, imitation learning, or hybrid learning approaches

Experience with reward modeling or human-in-the-loop learning

Experience at leading AI labs such as OpenAI, Google DeepMind, Anthropic, or xAI

Familiarity with robotics systems, simulation environments, or real-world deployment constraints

Publication record in reinforcement learning, machine learning, or robotics

The US base salary range for this full-time position is between $200,000 - $400,000

The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience. The total compensation package may also include additional components/benefits depending on the specific role. This information will be shared if an employment offer is extended.