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Full-time
Posted 49d ago
~40 hrs/week
Responsibilities
Design and optimize perception pipelines for human pose estimation and robot calibration to generate high-quality training data. Develop and deploy real-time perception models and automated annotation pipelines for embodied intelligence.
Requirements
Requires 5+ years of industry experience in robot perception or computer vision with strong 3D vision and SLAM fundamentals. Proficiency in C++, Python, CUDA, and deep learning frameworks for embedded deployment is essential.
Full job description
At XDOF, we’re at an inflection point. Frontier labs are racing to build general-purpose robots, and high-quality training data is the bottleneck. We’re building the foundation behind the foundation models – the data collection systems, operational capability, exabyte-scale data warehouse, and software toolchain – to help our partners drive the field forward.
The Perception Algorithm team transforms raw multimodal sensor data into high-quality robot training annotations. You will be deeply involved in the complete loop from data collection to model delivery — sensor calibration, SLAM localization, human pose estimation, perception model training, and embedded deployment. Your work directly determines the quality ceiling of our training data.
Core Responsibilities
Human Pose Estimation
Design and optimize hand pose estimation pipelines supporting accurate joint angle extraction from teleoperation data collection
Build full-body pose estimation systems for motion capture and teleoperation action annotation ground truth generation
Research and apply vision-based pose estimation methods (markerless) to reduce data collection costs
Fuse pose estimation outputs with robot joint angle data to generate consistent training annotations
Robot Perception & Calibration
Design and maintain intrinsic/extrinsic calibration pipelines for multi-camera arrays (factory calibration + online recalibration)
Build visual SLAM / V-SLAM systems supporting real-time localization and scene reconstruction on data collection platforms
Implement hand-eye calibration between cameras and robot end-effectors
Develop temporal alignment solutions across multimodal sensors (cameras, IMU, data gloves, force sensors)
Perception Model Training & Deployment
Train and iterate on perception models including object detection, instance segmentation, and 6DoF pose estimation
Optimize model inference using TensorRT / CUDA for real-time performance on robot embedded platforms
Write custom CUDA kernels for low-level acceleration of perception tasks
Design evaluation metric frameworks for perception models; continuously track the relationship between model performance and data quality
End-to-End Loop from Data Collection to Model Delivery
Contribute to the design of automated annotation pipelines that convert sensor data into structured training labels
Build Auto QA modules to filter low-quality data including anomalous frames, failed demonstrations, and sensor dropouts
Collaborate with ML engineers and data infrastructure teams to ensure perception output formats meet downstream VLA model training requirements
Establish feedback mechanisms linking perception accuracy to model training outcomes, continuously improving annotation quality
Requirements
Must-Have
5+ years of industry experience in robot perception or computer vision
Strong 3D vision fundamentals: stereo and structured-light camera principles, 3D reconstruction
Proficiency with SLAM frameworks (ORB-SLAM, VINS-Mono, FastLIO, etc.) or V-SLAM system development experience
Hands-on engineering experience with human pose estimation: hand joints (MediaPipe, MANO) or full-body pose (OpenPose, SMPLify, etc.)
Proficient in deep learning training frameworks for perception model training, tuning, and evaluation
TensorRT deployment experience with real-time inference optimization on embedded platforms (Jetson, Horizon, etc.)
CUDA programming fundamentals; ability to write or debug custom kernels
Proficient in C++ and Python with ROS / ROS2 development experience
XDOF is the infrastructure partner for the world's most ambitious robotics builders. We build the tools, data and services that accelerate the future of physical AI.
We are hiring! Come build autonomy systems with a deeply technical team shaped by experience at Tesla, Google, Applied Intuition, BAIR, Covariant, and Gatik. Learn more at https://www.xdof.ai/careers
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