22 reinforcement learning jobs at 12 companies in Seattle, WA
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AI Research Scientist, New Grad – Agents & Reinforcement Learning
Bellevue, Washington, United States
$176k-$230k/yr OnsiteFull Time
PhD (or equivalent research experience) in CS/ML/AI, expertise in reinforcement learning (RLHF, DPO, PPO), experience with LLM post-training/fine-tuning, Python and PyTorch/JAX proficiency, and at least one research publication.
Python, PyTorch, JAX, Snowflake Data Cloud
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)
1mo
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Research Intern — Applied Reinforcement Learning
Palo Alto or Redmond or United States
$35-$45/hr RemoteFull Time, Contract
PhD candidate in CS/ML or related field; strong Python and PyTorch with GPU training experience; solid RL fundamentals and RLHF/DPO/PPO experience; strong experimentation and reporting skills.
Python, PyTorch, CUDA, Gymnasium, RLlib, Stable Baselines, TRL, Weights & Biases, FastAPI, gRPC, ONNX, TensorRT
2w
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Machine Learning Engineer, Drive
San Francisco or Sunnyvale or Seattle
$137k-$299k/yr OnsiteFull Time
5+ YOE5+ years building production ML systems; expertise in deep learning, reinforcement learning, optimization, or LLMs/VLMs; Python, PyTorch, Spark, Airflow, ML infrastructure, and AI-assisted development tools required.
PyTorch, Spark, Airflow, Python, Claude Code, Codex, 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
3d
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Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start
Seattle or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$122k-$243k/yr OnsiteFull Time
Bachelor’s degree in a relevant technical field; machine and deep learning foundation; research or project experience with LLMs, reinforcement learning, generative models, recommendation systems, or information retrieval; Python and a deep learning framework.
Python, PyTorch, TensorFlow, JAX, Large Language Models (LLMs), Reinforcement Learning (RL), GPU
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ML Agent Engineer
Seattle, Washington, United States
OnsiteFull Time
Experience building systems for AI agents, reinforcement learning, and simulation environments; strong software engineering and research collaboration skills.
4d
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Applied Scientist - Simulation and Large-Scale RL, Amazon Robotics - Vulcan Stow
Seattle, Washington, United States
$143k-$193k/yr OnsiteFull Time
4+ YOEPhD, or master's degree plus 4+ years in a related field; programming experience; publications or patents; reinforcement or imitation learning for manipulation; and strong reinforcement learning expertise.
Java, C++, Python, simulation, domain randomization, system identification
18h
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Member of Technical Staff - Post Training
Redmond, Washington, United States
$120k-$304k/yr HybridFull Time
4+ YOERequires a bachelor's degree or equivalent experience, 4+ years of technical engineering experience with coding, and experience in reward modeling, reinforcement learning, or post-training techniques.
C, C++, C#, Java, JavaScript, Python
1w
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Staff ML Engineer, Perception Research
Mountain View or New York City or Kirkland or San Francisco
$251k-$310k/yr HybridFull Time
4+ YOEMaster's or PhD in a technical field and 4+ years of industry or postdoctoral research experience in reinforcement learning or foundation models. Requires distributed training, JAX, Flax, and Transformer optimization expertise.
JAX, Flax, TensorFlow, PyTorch, FSDP, xprof, Gemax, XManager
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Staff Software Engineer, AI/ML
Seattle, Washington, United States
$217k-$271k/yr HybridFull Time
8+ YOE8+ years building production AI/ML systems; experience with reinforcement learning, reward modeling, fine-tuning, human feedback; strong software engineering in Python and another production language; experience shipping learning systems and running large-scale experiments.
Python
4d
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Data Scientist 3
Richland or Seattle or Portland
$140k-$229k/yr HybridFull Time
1+ YOERequires BS/BA with 5+ years, MS/MA with 3+ years, or PhD with 1+ year of relevant experience; preferred data science, AI/ML, reinforcement learning, and scientific research expertise.
Artificial Intelligence (AI), Machine Learning (ML), deep reinforcement learning, graph neural networks, Microsoft Excel, ACL, EMNLP, AAAI, NeurIPS, ICLR, LREC, software tools
2mo
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Senior Quantum Applied Research Scientist, Calibration and Decoding
Redmond or Santa Clara or United States
$192k-$305k/yr HybridFull Time
8+ YOEMasters (PhD preferred) in a relevant field, 8+ years experience in quantum systems and AI/ML research, expertise in ML/DL, quantum device physics and control, reinforcement learning, and GPU-accelerated implementations.
CUDA, LoRA, QLoRA, NVIDIA GPU programming
2mo
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Senior Quantum Applied Research Scientist, Calibration and Decoding
Redmond or United States or Santa Clara or California
$192k-$305k/yr HybridFull Time
8+ YOEMasters (or equivalent) in a relevant field, 8+ years of experience in quantum systems and AI/ML research, expertise in ML/DL, quantum device physics, calibration/decoding, reinforcement learning, and GPU-accelerated implementations.
CUDA, LoRA, QLoRA
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