502 ai research scientist jobs at 219 companies in United States
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
1mo
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Lead AI Research Scientist
San Francisco, California, United States
$357k/yr OnsiteFull Time
5+ YOELead AI research scientist to define a 24-month roadmap, mentor 10+ researchers, publish papers, and partner to productionize prototypes.
PyTorch, JAX, LLM frameworks, CUDA
2mo
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AI Research Scientist
Austin, Texas, United States
OnsiteFull Time
5+ YOE5+ years post-doc or industrial research; PhD; strong math; Python and deep learning frameworks; publications.
Python, Deep Learning Frameworks
2mo
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AI Research Scientist
San Francisco, California, United States
OnsiteFull Time
Strong ML fundamentals; experience training large models; RL/RLHF/RLAIF; ability to work across research and engineering.
1d
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AI Research Scientist
Redmond, Washington, United States
$154k-$217k/yr OnsiteFull Time
PhD in CS or related field, experience in multi-modal learning and large-scale model training, programming in Python and PyTorch, strong research record (publications/projects).
Python, PyTorch
4w
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AI Research Scientist- GenAI
Pittsburgh, Pennsylvania, United States
HybridMultiple Commitments Available
4+ YOEPhD in CS/Engineering or masters with 3+ years in multimodal foundation models; 4+ years research; Python/C++ and AI libraries; publications in top venues; strong collaboration skills.
Python, C++, AI libraries
5d
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AI Research Scientist
Andover, Massachusetts, United States
$118k-$176k/yr HybridFull Time
PhD in ML/AI/NLP/Robotics (or strong Master\u0002s) with foundation-model experience, hands-on PyTorch and custom architectures, experiment design, Git-based engineering discipline, and ability to build reproducible ML prototypes.
PyTorch, Git, transformers, Coursera
1mo
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Senior AI Research Scientist
United States
RemoteFull Time
Experience fine-tuning LLMs, RL-based training, post-training on LLMs, and building end-to-end AI systems; knowledge of RL methods.
Large Language Models, Reinforcement Learning, Multimodal, Tool-calling, Edge and Cloud deployment, Inference optimization
2w
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AI Research Scientist, Applied AI
United States or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom
$120k-$170k/yr RemoteFull Time
2+ YOEActive US security clearance (Secret minimum) required; Master's in a related field + 2+ years (or PhD) recommended. Deep AI/ML expertise (deep learning, LLMs, RL, CV), software development (Python/R/C++/Java), GitHub/CI/CD, simulation and GPU experience.
Python, R, C++, Java, GitHub, CI/CD, GPU, LLMs
5d
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AI Research Scientist, Applied AI, Google Cloud
Sunnyvale, California, United States
$174k-$253k/yr OnsiteFull Time
2+ YOEPhD (or equivalent), 2+ years leading a research agenda, 2+ years with machine learning (LLMs, generative AI, NLP), coding in Python/JavaScript/R/Java/C++, and publication record.
Python, JavaScript, R, Java, C++, Gemini Enterprise, Shopping Agent, CX Agent Studio, Agent Assist, Vertex AI Search - Commerce, LLM's, genAI
2w
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Staff AI research scientist
San Francisco or Seattle or New York City or Austin or Chicago or London
$234k-$296k/yr HybridFull Time
7+ YOE7+ years ML research experience with LLM pre-/post-training, strong publication record, Ph.D. or equivalent, expert in post-training methods (SFT, RLHF, RLAIF, DPO), Python and PyTorch/JAX proficiency, experience shipping production models.
Python, PyTorch, JAX
2mo
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Research Scientist, Conversational AI
New York or Mountain View
$190k-$230k/yr HybridFull Time
PhD in CS/EE/Linguistics; strong research in LLMs, Conversational AI or Speech; mentoring experience; hands-on experimentation; startup experience a plus.
Python, PyTorch, TensorFlow, Machine Learning
3w
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Senior Agentic AI Research Scientist
Seattle, Washington, United States
$160k-$256k/yr HybridFull Time
3+ YOEPhD + 3+ years in multimodal ML, video understanding, LLMs/RAG, and retrieval systems; production ML lifecycle experience; proficiency in Python and ML frameworks; strong communication and research record.
Python, PyTorch, TensorFlow, Keras
6d
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Senior/Principal AI Research Scientist
San Francisco, California, United States
$210k-$350k/yr OnsiteFull Time
5+ YOE5+ years ML research experience; fluency in PyTorch or Jax; experience with large-scale training and tools (e.g., Ray, Megatron-LM); expertise in EDA, feature engineering, model development/deployment; strong programming skills.
PyTorch, Jax, Ray, verl, Megatron-LM
2mo
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Applied AI Research Scientist (Multiple Opportunities)
Palo Alto, California, United States
$175k-$300k/yr OnsiteFull Time
Applied AI/ML research, algorithm exploration, and modeling development. Strong collaboration across teams.
1mo
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AI Research Scientist (Government)
Chantilly, Virginia, United States
$210k-$254k/yr OnsiteFull Time
10+ YOEMaster’s degree in information systems or related field; 10+ years of related experience; US citizenship with ability to obtain security clearance; experience in DoD/federal defense environment.
1d
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AI Research Scientist/Manager - Spatial Reasoning
San Mateo or San Francisco or California
$200k-$385k/yr OnsiteFull Time
Conduct research in spatial reasoning, 3D/geometric understanding, and physical reasoning; fluent in Python and ML stacks such as PyTorch or JAX; strong research/engineering record; experience with CAD/point clouds/meshes a plus.
Python, PyTorch, JAX, CAD
1mo
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Senior Quantum AI Research Scientist, Applied Research
Redmond or Santa Clara
$192k-$305k/yr HybridFull Time
8+ YOEPh.D. preferred in CS/Physics/Applied Math/EE, 8+ years in quantum computing and/or AI/ML research, deep ML and quantum error correction expertise, strong communication, experience with large-scale model training and hardware-aware models.
CUDA, PyTorch Distributed, Megatron-LM, JAX pmap, LoRA, QLoRA
2w
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Research Scientist- Spatial Audio & AI
Atlanta, Georgia, United States
$140k-$170k/yr HybridFull Time
PhD-preferred researcher with deep expertise in spatial audio, AI/ML, signal analysis, and Python; experience building multimodal and generative models, using TensorFlow or PyTorch, and publishing prototypes or papers.
Python, TensorFlow, PyTorch
2w
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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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AI/ML Research Scientist
Warsaw or New York City or Israel or Ukraine
RemoteFull Time
1+ YOEPhD with 1+ years research experience; experience with Transformers, GNNs, diffusion models; strong Python and C++ coding skills; PyTorch experience; at least one publication in top ML conferences.
Python, C++, PyTorch
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