Senior Sensor Calibration Engineer for Humanoid Robotics

Booster; Austin (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Apptronik in Austin, TX, is seeking a Senior Perception Hardware Engineer focusing on sensor calibration to bridge the physical world and the robot's autonomy stack. You will design fixtures, calibrate sensors, and build scalable factory processes for intrinsic, extrinsic, and temporal calibration of our humanoid robotics platform.

You will lead sensor modeling, extrinsic calibration, and timing synchronization, collaborating with mechanical, electrical, and software teams to ensure reliable,

Qualifications

• 5+ years in perception hardware, computer vision, or robotics, focused on sensor calibration and validation.
• Deep understanding of 3D geometry and coordinate transforms (quaternions, SE(3)).
• Experience with calibration validation and hardware-in-the-loop testing.

Responsibilities

• Design and implement intrinsic models for optical and inertial sensors.
• Develop sensor-to-sensor and sensor-to-base extrinsic calibration.
• Ensure sub-microsecond synchronization across perception streams using PTP/PPS/hardware triggers.
• Build scalable calibration pipelines for factory and field use.
• Track calibration health with data analytics.

Skills

Sensor calibration

3D geometry

Linear algebra

Quaternions & SE(3)

Python

C++

OpenCV

PCL

Ceres Solver

g2o

Education

MS or PhD in Robotics/EE/CS

Tools

OpenCV

PCL

Ceres Solver

g2o

Job description

Apptronik in Austin, TX, is seeking a Senior Perception Hardware Engineer focusing on sensor calibration to bridge the physical world and the robot's autonomy stack. You will design fixtures, calibrate sensors, and build scalable factory processes for intrinsic, extrinsic, and temporal calibration of our humanoid robotics platform.

You will lead sensor modeling, extrinsic calibration, and timing synchronization, collaborating with mechanical, electrical, and software teams to ensure reliable,