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
1w
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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
4d
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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
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-$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
3w
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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
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
1w
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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
2mo
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Senior PMT ES - Reinforcement Learning, SageMaker AI
Bellevue or Santa Clara
$152k-$237k/yr OnsiteFull Time
5+ YOEBachelor's in CS/engineering/math/finance/econ, 5+ years technical product management with internet business experience, experience taking products from conception to market, working with customers and technical teams; RL and large-scale SaaS/PaaS experience preferred.
Amazon SageMaker AI
1mo
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Staff Simulation Engineer - Core Simulation Platform
Sunnyvale or Mountain View
OnsiteFull Time
8+ YOE8+ years experience in robotic simulation or software engineering, strong C++ and Python skills, experience with modern simulators (Isaac Lab, MuJoCo), cloud-scale parallel simulation (AWS/GCP/Azure), reinforcement learning knowledge, Master's/PhD or equivalent experience.
C++, Python, Isaac Lab, MuJoCo, Ray, Kubernetes, AWS, GCP, Azure, CI/CD
1mo
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Principal AI/ML Engineer
Sunnyvale or Austin or Detroit or Warren or Milford or Mountain View or United States
$296k-$424k/yr HybridFull Time
MS or PhD in CS/Robotics/ML or related; experience leading technical teams delivering production ML systems; deep expertise in robotics planning/control, imitation or reinforcement learning, generative models, and large-scale ML; strong software engineering skills in Python and C++.
Python, C++
2w
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Applied Researcher I (AI Foundations, Recommendation Systems, Personalization, Reinforcement Learning)
Cambridge or McLean or San Jose or New York
$219k-$272k/yr OnsiteFull Time
2+ YOEPhD or MS+2 years in CS/EE/AI/math; experience building large deep learning models and LLMs, publications, training/deploying models, strong ML foundation and software engineering skills.
PyTorch, AWS Ultraclusters, Huggingface, Lightning, VectorDBs
2mo
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Senior Robotics/Physical AI Manipulation Engineer
Menlo Park, California, United States
HybridFull Time
3+ YOEMS or PhD in Robotics/CS, 3+ years shipping code for physical robots, expertise in manipulation planning, imitation or reinforcement learning, production Python and C++ experience, familiarity with sim-to-real.
Python, C++, Isaac Lab, MuJoCo
1mo
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Senior Software Engineer - NPC Behavior
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
5+ YOE5+ years building scalable distributed backend systems and microservices; experience with game engines; proficiency in one or more languages such as C#, Lua, C++, Go, or Python; familiarity with ML techniques (LLM, reinforcement/imitation learning) and strong cross‑functional communication.
C#, Lua, C++, Go, Python, LLM, Imitation Learning, Reinforcement Learning, Behavior Trees, Statement Machines, microservices, game engines
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