Software Engineer

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Software Engineer in USA new

Apptronik
Full time
Email

USA
11/04/2026
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Austin, TX

Responsibilities

Develop and maintain high-fidelity actuator models covering friction, compliance, thermal behavior, and torque and current limits.
Design, tune, and deploy closed-loop torque, current, and low-level actuator controls on real hardware.
Design and run hardware test campaigns to characterize actuators and extract model and controller parameters.
Apply system identification and experimental model fitting to inform controller design and gain selection.
Quantitatively validate simulation-to-real fidelity for actuator models and controllers.
Build and maintain Python and C++ tooling for experiment automation, model extraction, controller tuning, and simulator integration.
Collaborate with Controls, Firmware, and Simulation teams on model fidelity, control performance, and sim-to-real gaps.
Support hardware bring-up and deployment of validated models and controllers to real robots.

Requirements

Bachelor’s degree in Robotics, Mechanical Engineering, Electrical Engineering, Computer Science, or a related field with 4 years of relevant experience; or a master’s degree with 2 years of relevant experience; or a PhD in a related field.
Strong C++ skills, including extending simulator or physics-engine codebases.
Deep knowledge of motor electromechanics, classical control, closed-loop torque and current control, controller tuning, and frequency-domain analysis.
Hands-on experience designing, tuning, and validating low-level actuator or servo controllers on real hardware.
Hands-on system identification, structured experiment design, and physical model fitting from real data.
Proficiency in Python for test automation, data analysis, and tooling, with a track record of shipping maintainable Git-managed code.
Ability to collaborate cross-functionally with controls engineers and connect modeling and controller choices to robot performance.
Preferred experience with dynamometers, motor test stands, lab instrumentation, motor thermal modeling, gearbox efficiency and backlash characterization, real-time actuator communication protocols, embedded or firmware control, modern robotics simulators, sim-to-real validation, and Docker with GPU or cloud experiment infrastructure.
Humanoid or legged-robot experience is strongly preferred.

Benefits

Direct-hire position.
The role requires prolonged desk and computer work, occasional lifting of up to 15 pounds, and the ability to read screens and communicate by hearing and speech.

Apptronik

Apptronik is a human-centered robotics company developing AI-powered robots to support humanity in every facet of life. Our humanoid robot, Apollo, is designed to collaborate thoughtfully with humans—initially in critical industries such as manufacturing and logistics, with future applications in...

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