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Motion Planning Engineer (PhD, Intern)
DiDi Labs · San Jose, CA · Posted 55 days ago
We are seeking a motivated PhD graduate with a strong research background in motion planning, robotics, or autonomous systems. In this role, you will apply your expertise in algorithm design and system integration to help develop next-generation planning capabilities for autonomous vehicles.
- Implement novel solutions for Behavioral Planning, enabling high-level decision-making for lane changes, merges, yields, and multi-agent interactions.
- Design and optimize motion planning algorithms that integrate geometry-based path reasoning and context-aware speed reasoning into smooth, safe trajectories.
- Develop and improve core geometry and velocity planning systems to ensure feasibility, compliance, and comfort across diverse driving scenarios.
- Model complex driving environments and agent behaviors to create a robust world representation for planning under uncertainty.
- Formulate cost functions and optimization frameworks that balance safety, comfort, and efficiency in trajectory selection.
- Analyze, test, and debug system performance through simulation and real-world data, conducting root-cause investigations and proposing enhancements.
- Collaborate with researchers and engineers across Perception, Prediction, and Control to ensure an integrated, reliable autonomy stack.
- Recently completed or soon-to-complete PhD in Robotics, Computer Science, Electrical Engineering, or a related field.
- Research or Internship experience in one or more of the following:
- Motion planning algorithms (optimization, sampling, graph/search-based methods)
- Behavioral planning and decision-making under uncertainty
- Trajectory optimization and control
- Multi-agent interaction modeling
- Proven research ability demonstrated by publications in top-tier conferences (e.g., RSS, ICRA, IROS, CVPR, NeurIPS, CoRL).
- Hands-on experience in C++ for implementing complex, real-time algorithms.
- Excellent analytical and communication skills, with a collaborative mindset.
- For Internship Applicants: This role offers a clear pathway, with top-performing interns receiving the opportunity to convert to a full-time engineer upon successful completion of the program.
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This posting is sourced from DiDi Labs's own career site — applying takes you there directly.
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This role centers on Motion Planning Algorithms, C++, Research Ability, and Behavioral Planning. There are 11 open roles at DiDi Labs right now.
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