Pony.ai

Machine Learning Engineer - Reinforcement Learning

Location
Fremont, Alameda County
Employment
Full Time
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Job summary

Responsibility Build scalable systems for training and fine‑tuning large generative models that produce realistic, informative driving behaviors for evaluation and scenario coverage. Implement and iterate on RL‑style methods: algorithms, reward / preference objectives, and training setups suited to high‑fidelity, insightful behaviors in simulation‑aligned workflows (closed‑loop evaluation mindset). Ship deep learning solutions (including LLM / VLM where appropriate) that improve human‑led triag…

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General interview preparation

General preparation guidance from MiPrep; these interview stages are not confirmed for this job.

  • Recruiter phone screen - typically 20-40 min
  • Technical screen - 1 coding problem or take-home; format varies by company
  • Onsite / virtual loop - typically 4-6 rounds over 2-3 weeks; exact split of coding, systems design, and behavioral varies by role and location