69 reinforcement learning engineer jobs at 37 companies in Concord, CA
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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
2mo
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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
2w
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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
1w
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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++
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
3w
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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 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
1w
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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
2mo
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Machine Learning Engineer, Depot Automation
Mountain View, California, United States
$175k-$215k/yr HybridFull Time
3+ YOE3+ years of experience training/evaluating large ML models; 3+ years robotics; expertise in reinforcement learning.
Python, TensorFlow, PyTorch, Reinforcement Learning, Robotics
3w
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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
2mo
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Developer Advocate – Reinforcement Learning
Santa Clara or United States
$152k-$288k/yr HybridFull Time
5+ YOEBachelor's in CS (or equivalent), 5+ years relevant experience (including 3 years engineering), strong communication/presentation skills, RL and LLM pipeline experience, and proficiency with PyTorch, JAX, and NeMo-RL.
PyTorch, JAX, NeMo-RL, Unsloth, TRL, OpenRLHF
2mo
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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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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
4w
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Senior Machine Learning Engineer, Bidding Science
Mountain View or Washington
$160k-$239k/yr HybridFull Time
Expertise in machine learning, reinforcement learning, control theory, large-scale data analysis, online experimentation; strong software engineering in Python and deep learning (PyTorch).
Python, PyTorch, Spark, Ray, BigQuery, Flink, Claude Code, GitHub Copilot, Cursor
5h
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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)
3w
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Research Engineer, Chip Design RL (Reinforcement Learning)
San Francisco or New York City
$500k-$850k/yr HybridFull Time
Bachelor's or equivalent, expertise in ASIC/FPGA design and EDA tools, experience with RTL, verification (UVM, formal methods), physical design and tapeout experience; RL experience and tooling experience preferred.
EDA tools, UVM, formal methods, place-and-route
1mo
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Machine Learning Engineer - Simulation Framework
Foster City or Seattle
$151k-$257k/yr HybridFull Time
Master's or PhD in CS/robotics/ML, deep reinforcement learning experience, strong C++ and Python skills, hands-on with JAX or PyTorch, experience bridging sim-to-real fidelity gaps and working with GPU/CUDA environments.
JAX, PyTorch, C++, Python, CUDA
2w
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Robotics Engineer
Sunnyvale, California, United States
$60-$85/hr OnsiteContract
Degree in robotics/mechatronics/engineering, expertise in humanoid kinematics and dynamic control, proficiency in C++ and Python, experience with ROS 2 and simulation, background in ML/Reinforcement Learning preferred, background check and drug test required.
C++, Python, ROS 2, Gazebo, NVIDIA Isaac Sim, SST, TTS
2mo
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Motion Planning Engineer
San Jose, California, United States
OnsiteFull Time
3+ YOEM.Sc. (or equivalent) in a quantitative field, 3+ years algorithm engineering experience, expertise in motion planning/decision making/optimization/Reinforcement Learning or LLM fine-tuning, and proficiency in Python and C++.
Python, C++
1mo
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Senior Engineer, Agentic AI
Bengaluru or Santa Clara or Noida
HybridFull Time
2+ YOEExperience in machine learning, LLMs, agentic AI, reinforcement learning; proficiency with Python, TensorFlow/PyTorch, AWS, Docker, Kubernetes; 2+ years relevant ML experience; strong coding, algorithms, and communication skills.
Python, TensorFlow, PyTorch, AWS, Docker, Kubernetes, LLMs, Copilot
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