PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
3d
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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
3mo
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Staff Reinforcement Learning Engineer – Whole Body Control
San Jose, California, United States
$150k-$250k/yr OnsiteFull Time
Strong dynamics/control background for legged robots; RL for robotics (PPO, SAC); tune hyperparameters; apply domain randomization and curriculum learning; lead projects and mentor.
Python, PyTorch, ROS
2w
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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
4d
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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
1mo
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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
3mo
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Anthropic Fellows Program — Reinforcement Learning
London or Berkeley or San Francisco or London or Ontario or British Columbia or Remote-Friendly US (Travel Required)
$4k/wk HybridFull Time
Fluent in Python; available to work full-time; strong software engineering; interest in empirical AI research.
Python, Distributed Systems, Machine Learning, Research Tools
1w
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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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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
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
1w
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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
3mo
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Machine Learning Engineer, Intelligent Sensing Technology - Incubation
Cupertino, California, United States
HybridFull Time
3+ YOE BS with 3+ years in ML/AI engineering; knowledge of transformers, reinforcement learning; PyTorch; end-to-end ML pipelines; multimodal sensing integration.
PyTorch, Multimodal Sensing, ML Pipelines, On-device/Edge ML
3w
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Senior Software Machine Learning Engineer, DeepMind
Mountain View, California, United States
$174k-$253k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years in software or ML engineering, 1+ year with generative AI/LLMs/reinforcement learning/recommendation systems, strong software engineering skills.
C++, Python, Gemini
3w
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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
2mo
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Staff Robotics Engineer / Tech Lead – Whole-Body Control & Robot Learning
Santa Clara or Mountain View
$215k-$364k/yr OnsiteFull Time
5+ YOEPhD or Master's in robotics/engineering; 5+ years in reinforcement learning, robotics, or related areas; strong control, learning, and imitation learning skills; cross-disciplinary communication and leadership experience favored.
Reinforcement Learning, Robot Learning, Motion Planning, Simulation, Imitation Learning, PPO, SAC, Diffusion Policies, Robot Dynamics
1w
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ML Engineer – Robotics
Mountain View, California, United States
$220k-$300k/yr OnsiteFull Time
3+ YOE3+ years ML/robotics experience, proficiency in Python and C++, PyTorch or TensorFlow, ROS/ROS2, simulation experience, reinforcement learning familiarity, and real-time/embedded deployment experience.
Python, C++, PyTorch, TensorFlow, ROS, ROS2, Gazebo, Isaac Sim, CARLA, MuJoCo, PyBullet
1mo
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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++
2w
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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
1mo
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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
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