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
1d
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Reinforcement Learning AI Engineer
Huntsville or McLean or El Segundo or Colorado Springs
$99k-$225k/yr OnsiteFull Time
3+ YOE3+ years developing and training RL agents; experience with Gym/PettingZoo, PyTorch/TensorFlow/JAX, Python and optionally C++/Rust; ability to obtain/hold Secret clearance and travel up to 25%.
Python, Gym, PettingZoo, PyTorch, TensorFlow, JAX, Rust, C++, C, CUDA, RAPID, Kubernetes, AFSIM
6d
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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
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
2w
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Sr AI/ML Engineer
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$143k-$197k/yr HybridFull Time
10+ YOE10+ years experience in AI/ML with expertise in transformers, generative models, reinforcement learning, and production deployment; bachelor's in STEM or equivalent experience; proficiency in Python/C++/C#/Java and ML frameworks; ability to obtain Secret clearance.
TensorFlow, PyTorch, Python, C++, C#, Java, CUDA, TensorRT
4w
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Postdoctoral Fellow (PREP0004857)
Gaithersburg, Maryland, United States
$82k-$89k/yr OnsiteFull Time
Ph.D. or equivalent required in natural sciences, engineering, or related field. Experience with deep learning, LLMs, reinforcement and unsupervised learning, robotics, AI, simulations, and experimental research; strong communication and publication record preferred.
Deep learning, Large language models (LLMs), Reinforcement learning, Unsupervised machine learning, CAD, 3D rendering