Software Engineer III, Simulation
Agility Robotics · Hybrid- Any Office (Fremont, CA, Salem, OR, or Pittsburgh, PA)
About this role
**Software Engineer III, Simulation — Agility Robotics** ## About the Role Agility Robotics is building the world’s most capable humanoid robots and is looking for a senior engineer to help build the simulation software at the foundation of it. You’ll be one of the first engineers on a new Simulation team, partnering with the team’s leader to shape the technical direction, architecture, and infrastructure from the ground up. You’ll work at the intersection of physics simulation, hardware abstraction, and robot learning—collaborating closely with AI, Controls, Perception Sensors, Hardware Interfaces, Quality Assurance, and Systems Integration to build simulation environments that accelerate development, provide insights into the system, and enable rapid validation. **Work model:** Hybrid (3 days on-site per week). ## About the Work - Design, build, and own core components of Agility’s simulation stack as a founding member of the Simulation team - Develop the hardware abstraction layer connecting sensors, actuators, and physical hardware to simulation environments - Develop and integrate physics simulators using open-source frameworks (focus on fidelity, performance, and sim2real transfer) - Build and maintain high-fidelity models of new and existing robots (kinematics, dynamics, mass properties, actuator/transmission models, and contact behavior) - Create robust automated pipelines from hardware design → robot model → system identification so new hardware can be used in simulation quickly - Use simulation to train RL policies, generate synthetic data, and evaluate end-to-end models - Use simulation to evaluate proposed robot designs and run trade studies (actuator sizing, link geometry, range of motion, sensor placement), turning results into clear recommendations - Validate models against physical hardware data and improve fidelity where simulation and reality diverge ## About You ### Technical - 2+ years of professional software engineering experience in robotics/simulation (or adjacent) **or** a PhD in robotics/computer science - Strong proficiency in modern **C++** and **Python** - Experience with at least one major robotics physics simulator (MuJoCo, Isaac Sim, Gazebo, or similar) - Experience building rigid-body robot models (URDF, MJCF, USD, or similar) - Experience with cloud infrastructure and compute at scale - Solid software development practices (Git, CI/CD, Jira or equivalent, feature branching) ### Collaboration - Comfortable working across hardware and software teams and translating between different technical vocabularies - Able to take ambiguous problems, break them down, and drive them to working solutions with minimal direction ### Education - B.S., M.S., or Ph.D. in Robotics, Computer Science, Mechanical Engineering, or a related field ## Bonus Points - Experience with humanoid or legged robots - Experience with CAD-to-simulation pipelines (e.g., Onshape, SolidWorks, Creo exports) - Experience with system identification / parameter estimation from hardware data - Background in mechanical engineering or mechatronics alongside software - Advanced degree (M.S. or Ph.D.) with research in simulation, multibody dynamics, or robot modeling - Experience using simulation to train and evaluate policies ## Location & Salary - Hybrid position based out of **Salem, Pittsburgh, or Fremont** offices - **Anticipated Salary Range:** **$144,000 — $225,000 USD** ## Benefits (Full-Time) - **401(k):** 6% company match - **Equity
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