Embodied AI Real2Sim Engineer

Posted 3 Days Ago
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Santa Clara, CA, USA
In-Office
Entry level
Artificial Intelligence • Robotics
The Role
Build and maintain Real2Sim pipelines for reconstructing, calibrating, and validating robot, object, and scene assets across simulation platforms. Develop SimReady assets using USD, URDF, and MJCF; process multimodal capture data; calibrate visual and physical parameters; and create automated quality and calibration tools. Design robot system-identification experiments, analyze dynamics, and reduce sim-to-real discrepancies through collaboration with perception, robot learning, simulation, and hardware teams.
Summary Generated by Built In
Job Description:

Core Objective: Build the digital pipeline from the real world to simulation space. Reconstruct and calibrate visual and physical properties of robots, objects and scenes, and deliver SimReady interactive assets to reduce the sim-to-real gap, supporting algorithm training, simulation evaluation and policy transfer to real hardware.

 
Responsibilities
  1. Own the end-to-end Real2Sim workflow based on Isaac Sim, MuJoCo, Genesis, Blender and other simulation platforms, including 3D reconstruction, appearance reconstruction, dynamic identification, calibration of contact, friction and inertia parameters, to align dynamic and perceptual behaviors between simulation and real robots.

  2. Create, validate and iterate SimReady assets following USD / URDF / MJCF standards. Configure joints, collision shapes, mass/inertia, joint limits, semantic labels and affordance properties for robots and interactive objects, to achieve physical parameter calibration of simulation assets, ensuring stable usability in simulation training.

  3. Process multi-modal real-world captured data: camera calibration, point cloud & mesh processing, texture and PBR material calibration. Leverage 3DGS / NeRF and related reconstruction methods to digitize real scenes and export assets compatible with simulation engines.

  4. Develop automated tools for calibration, data processing and asset quality inspection. Document asset specifications, calibration workflows and evaluation metrics to improve pipeline throughput and sim-real alignment accuracy.

  5. Collaborate with perception, robot learning, simulation engine and hardware teams, design quantitative sim-real benchmark experiments, identify simulation bias, and continuously improve calibration protocols and asset standards for closed-loop data iteration.

  6. Design excitation trajectories for robot system identification, collect time-series dynamic data from physical robots, calibrate and reproduce non-ideal dynamic behaviors including nonlinear joint friction and transmission backlash.

 
RequirementsMust-have
  1. Proficiency in at least one simulation/graphics tool such as Isaac Sim, MuJoCo, Genesis or Blender, with solid understanding of computer graphics and rigid-body dynamics. Familiar with physics simulation engines such as PhysX and Newton.

  2. Hands-on experience with Real2Sim pipelines and SimReady asset standards; capable of independently building, configuring and validating robot or object assets including joint setup and physical property tuning.

  3. Knowledge of 3D reconstruction, camera imaging, point cloud processing and camera calibration; fundamental understanding of system identification, parameter calibration and contact/friction models for physical simulation. Familiar with PBR rendering and material creation.

  4. Ability to decompose requirements, implement technical solutions, run comparative experiments and root-cause sim-real mismatches from visual reconstruction or physical simulation.

  5. Capable of designing dynamic system identification experiments, analyzing measured hardware data, and quantifying sim-real errors introduced by nonlinear dynamics.

 
Nice-to-have
  1. Proven track record delivering Real2Sim projects, especially for robotic arms, dexterous hands or humanoid robots.

  2. Deep familiarity with USD / URDF / MJCF, experience building asset libraries and automated asset validation pipelines.

  3. Skilled in Python / C++ for calibration scripts, engine extensions and data processing tools.

  4. Experience with 3DGS, NeRF, PBR reconstruction and photogrammetry.

  5. Background in system identification, excitation trajectory design, dynamic parameter estimation and contact model tuning.

  6. Understanding of Sim2Real, reinforcement learning and embodied AI closed-loop systems.

  7. Experience with motion capture, multi-sensor calibration and real robot hardware experiments.

  8. Familiar with nonlinear friction models such as LuGre and Stribeck, with experience modeling and tuning joint hysteresis and backlash.

Default Benefits:
  • Health insurance

  • Vision care

  • Dental coverage

  • 401(k)

  • Paid holidays

  • PTO (Paid Time Off)

  • Sick leave

Skills Required

  • Proficiency with at least one simulation or graphics tool, such as Isaac Sim, MuJoCo, Genesis, or Blender, plus computer graphics and rigid-body dynamics knowledge.
  • Familiarity with physics simulation engines such as PhysX and Newton.
  • Hands-on experience with Real2Sim pipelines and SimReady asset standards.
  • Ability to build, configure, and validate robot or object assets, including joint setup and physical property tuning.
  • Knowledge of 3D reconstruction, camera imaging, point cloud processing, camera calibration, system identification, parameter calibration, contact and friction models, PBR rendering, and material creation.
  • Ability to decompose requirements, implement technical solutions, run comparative experiments, and identify root causes of sim-real mismatches.
  • Ability to design dynamic system-identification experiments, analyze measured hardware data, and quantify sim-real errors from nonlinear dynamics.
  • Proven Real2Sim project delivery experience, particularly with robotic arms, dexterous hands, or humanoid robots.
  • Deep familiarity with USD, URDF, and MJCF; experience building asset libraries and automated asset-validation pipelines.
  • Proficiency in Python or C++ for calibration scripts, engine extensions, and data-processing tools.
  • Experience with 3DGS, NeRF, PBR reconstruction, and photogrammetry.
  • Background in system identification, excitation trajectory design, dynamic parameter estimation, and contact-model tuning.
  • Understanding of Sim2Real, reinforcement learning, and embodied AI closed-loop systems.
  • Experience with motion capture, multi-sensor calibration, and real robot hardware experiments.
  • Familiarity with LuGre and Stribeck nonlinear friction models and joint hysteresis and backlash modeling.
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The Company
HQ: Santa Clara, CA
6 Employees
Year Founded: 2024

What We Do

Maxinsights provides scalable, high-quality, human-centric training data for Physical AI and robotics foundation-model companies. Its end-to-end data solution combines a globally distributed capture network, customizable workflows, and quality-assurance processes to make training data faster and more reliable to obtain. The company’s mission is to build the global data foundation for Physical AI by delivering data at scale with unmatched quality.

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