San Francisco • 50 milesRemote · Hybrid · Onsite · Field · All Environments
San Francisco • 50 milesRemote · Hybrid · Onsite · Field · All Environments
San Francisco • 50 milesRemote · Hybrid · Onsite · Field · All Environments
San Francisco • 50 milesRemote · Hybrid · Onsite · Field · All Environments
113 reinforcement learning jobs at 58 companies in San Francisco, CA
6d
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Senior Reinforcement Learning Engineer
Sunnyvale or Austin
OnsiteFull Time
5+ YOERequires 5+ years with reinforcement learning frameworks and physics simulators, Python and C++, distributed training, robotics, and policy deployment; PhD or MS preferred and mentoring experience expected.
PyTorch, JAX, MuJoCo, IsaacGym, Python, C++, CoRL, RSS, ICRA
1mo
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Reinforcement Learning Engineer (Cybersecurity)
United States or San Francisco or New Hampshire
$176k-$243k/yr RemoteFull Time
Experience with reinforcement learning workflows, Linux ML environments, vulnerability research/binary exploitation, proficiency in Python and C, DevOps pipelines and reproducible builds, and low-level debugging.
Mayhem, GitHub Actions, docker, buildkit, nix, Python, C, Rust, Linux
2w
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Senior Reinforcement Learning Engineer - Robotics
Santa Clara, California, United States
$175k-$296k/yr OnsiteFull Time
1+ YOEAdvanced degree preferred but open to fresh graduates; proficiency in Python; 1+ years experience with deep learning frameworks such as PyTorch; strong RL and imitation learning knowledge; experience with PPO/DQN/SAC; C++ and hardware experience preferred.
Python, PyTorch, C++
3mo
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(Senior) Machine Learning Engineer - Reinforcement Learning
Fremont, California, United States
$150k-$250k/yr OnsiteFull Time
3+ YOEM.S./Ph.D. or equivalent experience; 3+ years building production ML with strong RL experience; depth in deep learning and generative models; distributed training and large-scale data processing; strong communication.
Python, PyTorch, LLM, VLM, dLLM, VLA
2mo
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Research Scientist, Reinforcement Learning
Fremont, California, United States
OnsiteFull Time
Proficiency in modern RL and RLHF algorithms, experience with reward model training and LLM/VLM fine-tuning, distributed RL training and massively parallel simulation, sim-to-real transfer, Python and C++, PyTorch, and distributed training frameworks.
DQN, PPO, SAC, TD3, DPO, GRPO, LLM, VLM, VLA, Python, C++, PyTorch, Ray, Horovod, CUDA
3w
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Reinforcement Learning Infrastructure Engineer
Palo Alto, California, United States
$275k-$475k/yr OnsiteFull Time
3+ YOE3+ years distributed systems experience, strong Python and PyTorch or JAX, multi-node GPU orchestration (Ray, SLURM, Kubernetes), experience with actor-learner architectures and RL training pipelines.
Python, PyTorch, JAX, Ray, SLURM, Kubernetes
1mo
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Hunyuan Multimodal Reinforcement Learning Research Intern
Palo Alto, California, United States
$80k-$125k/yr OnsiteFull Time
PhD student in computer science required; strong research record with top-tier publications; hands-on deep learning implementation, training, CPU/GPU acceleration, and distributed training experience.
CPU, GPU
2w
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Senior/Staff Deep Reinforcement Learning Engineer
San Francisco, California, United States
$168k-$247k/yr OnsiteFull Time
BS, MS, or PhD in CS, EE, Robotics, or related field; deep RL and deep learning expertise; large-scale RL training; JAX or similar framework; GPU simulation and software development experience.
JAX, Claude Code, Codex, Cursor, NeurIPS, ICML, ICLR, CoRL, RSS, ICRA
1mo
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Lead AI Infrastructure Engineer, Reinforcement Learning
Santa Clara, California, United States
$179k-$306k/yr HybridFull Time
Design and operate distributed RL training infrastructure at scale; strong systems experience in ML platforms; proficiency with PyTorch/JAX, NCCL/MPI-style distributed training, C++/Python performance tuning; Bachelor's degree required.
PyTorch, JAX, NCCL, MPI, C++, Python
2mo
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Machine Learning Engineer - Reinforcement Learning
Fremont, California, United States
$150k-$250k/yr OnsiteFull Time
MS/PhD in CS/ML/AI or related field, or equivalent experience; RL/production ML experience; deep learning, sequence modeling, generative models; publish or ship impactful ML systems; large-scale training and data processing; lead ambiguous work.
Python, PyTorch, Reinforcement Learning
1mo
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Member of Technical Staff – Senior Engineer, Reinforcement Learning – Policy Post-Training
Cambridge or San Francisco
$255k-$340k/yr OnsiteFull Time
Hands-on RL experience for manipulation, sim-to-real transfer, reward and curriculum design, strong software engineering, and ability to run large-scale training and experiments.
Isaac, MuJoCo
2mo
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Machine Learning Scientist, Reinforcement Learning
Emeryville or Hybrid (2-3 days on-site)
$200k-$330k/yr HybridFull Time
PhD or equivalent in CS/ML/NLP/Applied Math/Computational Biology/Statistics; experience with ML/RL; publications; PyTorch or Jax experience.
PyTorch, Jax
1mo
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Research Engineer – Reinforcement Learning (RL) Systems & Infrastructure (Seed Infra)
San Jose, California, United States
OnsiteFull Time
Design and build scalable RL systems and infrastructure for large-scale model training; expertise in distributed systems, GPU optimization, Python/C++, and RL workflows.
Python, C++, PyTorch
3w
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Research Scientist / Engineer – Reinforcement Learning Infrastructure
Redwood City, California, United States
HybridFull Time
Experience operating post-trained LLMs with reinforcement learning at scale, distributed PyTorch training, building RL environments and reward infrastructure, and debugging large asynchronous rollout pipelines.
vLLM, SGLang, PyTorch, FSDP, Tensor Parallel, Pipeline Parallel, Expert Parallel, veRL, OpenRLHF, TRL, Ray, NCCL, MPI, Kubernetes
3mo
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Applied Deep Learning PhD Research Intern, Reinforcement Learning for LLMs - Fall 2026
Santa Clara, California, United States
$30-$94/hr OnsiteFull Time, Internship
Pursuing a PhD with strong background in reinforcement learning and NLP, excellent Python and PyTorch skills, experience with large-scale training and experimental research.
Python, PyTorch, Megatron, MT-NLG, DLSS
2mo
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AI Researcher - Reinforcement Learning
San Carlos, California, United States
$200k-$300k/yr OnsiteFull Time
Expertise in RL (PPO/SAC/TD-MPC), sim-to-real transfer, PyTorch, simulation platforms, Python/C++ experience in large codebases, and deploying RL policies to physical robots.
Python, C++, Bazel, PyTorch, Isaac Sim, MuJoCo
3mo
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Developer Advocate – Reinforcement Learning
Santa Clara or United States
$152k-$242k/yr HybridFull Time
5+ YOEBachelor's in CS or related field; 5+ years exp including 3+ in engineering; strong communication; experience presenting to technical audiences; RL pipelines; PyTorch/JAX/NeMo-RL; able to work on training pipelines and demos.
PyTorch, JAX, NeMo-RL, Unsloth, TRL, OpenRLHF
1mo
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Vice President, Robot Learning
Palo Alto, California, United States
OnsiteFull Time
PhD or equivalent; deep experience building robot learning systems for real-world manipulation, expertise in imitation/reinforcement learning, experience with physical robots, and technical leadership experience.
2mo
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Machine Learning Engineer
Ann Arbor or San Francisco or Houston
$120k-$160k/yr OnsiteFull Time
0+ YOE0–4 years ML or scientific computing experience; strong ML fundamentals and deep learning exposure; reinforcement learning a plus; proficiency in Python; ability to debug codebases and collaborate with process/chemistry experts.
Python
1w
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Machine Learning Engineer, Drive
San Francisco or Sunnyvale or Seattle
$137k-$202k/yr OnsiteFull Time
5+ YOERequires 5+ years building production ML systems, Python, PyTorch, Spark, Airflow, modern ML infrastructure, and expertise in deep learning, reinforcement learning, optimization, LLMs, or VLMs.
PyTorch, Spark, Airflow, Python, Claude Code, Codex, Cursor, large language models (LLMs), vision-language models (VLMs)
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