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
3mo
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Reinforcement Learning Engineer - Locomanipulation
Cambridge or Boston
$200k-$350k/yr OnsiteFull Time
MS or PhD in Robotics, ML, CS or related field; strong RL experience; robotics experience; Python/C++ skills; deploy RL on real robots.
Python, C++, MuJoCo, Isaac Lab, ROS
2d
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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
2d
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Member of Technical Staff – Senior Engineer, Reinforcement Learning for Wholebody Control
Cambridge, Massachusetts, United States
$180k-$240k/yr OnsiteFull Time
Proven RL experience for continuous control, sim-to-real transfer on real robots, control theory knowledge, large-scale GPU simulation, strong Python and C++ skills, and software engineering for training/deployment pipelines.
Python, C++
2mo
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Staff Reinforcement Learning Research Engineer
Waltham, Massachusetts, United States
$155k-$200k/yr OnsiteFull Time
3+ YOEMS with 3+ years or PhD in ML, Robotics; deployed policies on physical robots; RL toolbox and simulation expertise; PyTorch/JAX; software fundamentals
Reinforcement Learning Toolboxes (RSL-RL, CleanRL, RLlib, Stable Baselines), Simulation and Rendering Tools (Isaac Lab, MuJoCo, MjWarp, MjLab), PyTorch, JAX, ONNX, Triton, TensorRT, Bazel, Docker, CI/CD
2d
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Member of Technical Staff – Senior Engineer, Reinforcement Learning – Policy Post-Training
San Francisco or Cambridge
$255k-$340k/yr OnsiteFull Time
Proven RL experience on real-world or large-scale problems, manipulation and sim-to-real experience, strong software engineering and experimental ownership, ability to mentor engineers.
Isaac, MuJoCo
3w
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Reinforcement Learning & Controls Research Scientist- Spot Behavior
Waltham, Massachusetts, United States
$177k-$225k/yr OnsiteFull Time
3+ YOEMS (required) in robotics/mechanical engineering/computer science or related; 3+ years deploying RL or learning-based control policies on hardware; strong classical control, real-time control experience; Python and C++ proficiency.
Isaac Sim, MuJoCo, Python, C++, PyTorch, RLlib
2w
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Senior Machine Learning Engineer
Wellesley or New York City
$111k-$222k/yr HybridFull Time
5+ YOE5+ years building ML systems in production, 5+ years Python, familiarity with PyTorch/TensorFlow, MLOps (Kubeflow, Vertex), 2+ years SQL with Snowflake/BigQuery, 2+ years system design leadership, experience in reinforcement learning/causal inference/LLMs, mentoring experience, strong communication.
Python, PyTorch, TensorFlow, Kubeflow, Vertex, SQL, Snowflake, BigQuery, Node.js, React, Spark, Kafka, Airflow
2d
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Senior Software Machine Learning Engineer (Teradyne, North Reading, MA)
North Reading, Massachusetts, United States
$134k-$224k/yr OnsiteFull Time
5+ YOE5+ years ML experience, hands-on LLM fine-tuning, reinforcement learning, strong software engineering (Python), production ML deployment and monitoring, computer vision for inspection, customer-facing communication.
Python, ONNX, LangChain, AutoGen, STDF, TEMS
1mo
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Software Machine Learning Engineer (North Reading, MA, US)
North Reading, Massachusetts, United States
$117k-$186k/yr OnsiteFull Time
2+ YOE2+ years ML experience, hands-on model building and deployment, experience with graph ML, reinforcement learning, interpretability (SHAP/LIME), MLOps exposure, strong collaboration and communication; MS/PhD preferred.
SHAP, LIME, LangChain, AutoGen
3w
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Senior Software Machine Learning Engineer (Teradyne, North Reading, MA) (North Reading, MA, US)
North Reading, Massachusetts, United States
$134k-$224k/yr OnsiteFull Time
5+ YOE5+ years ML experience, LLM fine-tuning, reinforcement learning and reward-model design, production ML/MLOps, Python, distributed systems, computer vision for manufacturing, edge deployment (ONNX/quantization), strong communication.
Python, ONNX, LangChain, AutoGen, STDF, TEMS, LLM, PPO, MLOps
3mo
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Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
Cambridge or McLean or New York or San Jose
$219k-$272k/yr OnsiteFull Time
PhD in Electrical/Computer Engineering, Computer Science, AI, Mathematics, or related field with start-date eligibility; or MS plus 2 years applied research experience; strong ML/NLP/AI foundation model expertise.
PyTorch, AWS, Hugging Face, Lightning, VectorDBs
3mo
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Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
McLean or Cambridge or New York or San Jose
OnsiteFull Time
PhD in Electrical/Computer Engineering, Computer Science, AI, Mathematics, or related fields; or MS with 2+ years applied research experience; expertise in AI foundations, LLMs, finetuning, RL; strong publications and open-source contributions.
Python, PyTorch, AWS, Hugging Face, Lightning, VectorDBs
2d
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Member of Technical Staff – Staff Engineer, Multimodal Post-Training
Cambridge or San Francisco
$319k-$425k/yr OnsiteFull Time
Deep hands-on post-training experience (SFT, RLHF/DPO, distillation, RL), strong reinforcement learning and multimodal LLM experience, program ownership, measurement and evaluation expertise.
1mo
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Director, Prediction and ML Planning
Boston or Pittsburgh or Remote U.S. Only
$288k-$396k/yr HybridFull Time
5+ YOE3+ Mgmt5+ years leading engineering teams in autonomous systems or AI; MS or PhD in CS/robotics/EE; expertise in imitation and reinforcement learning; experience with end-to-end planning and multimodal models.
Imitation Learning, Reinforcement Learning, Vision-Language-Action models, Large Driving Model, ML tooling