175 ai research scientist jobs at 80 companies in California
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
San Francisco, California, United States
OnsiteFull Time
Strong ML fundamentals; experience training large models; RL/RLHF/RLAIF; ability to work across research and engineering.
1mo
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AI Research Scientist, CoreML - Monetization AI
Sunnyvale or Bellevue or Menlo Park or New York
$154k-$217k/yr HybridFull Time
PhD or Masters in AI/ML; extensive NLP/RL research; publications; Python and PyTorch; work authorized in country of employment.
Python, PyTorch
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
2w
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Senior AI Research Scientist – Foundation Models & Agentic AI
Charlotte or San Francisco or West Des Moines or Irving or Tempe or Saint Louis or Minneapolis
$139k-$260k/yr HybridFull Time
4+ YOEMaster's degree in a quantitative field and 4+ years quantitative analytics experience; expertise in foundation models, LLMs, agentic AI, modern ML frameworks, GPU infra, and a strong research publication/engineering record.
GPT-4, BERT, LLaMA, Claude, PyTorch, Hugging Face, TensorFlow, GitHub Copilot, AWS, GCP
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- World Model
Sunnyvale, California, United States
$165k-$185k/yr HybridFull Time
3+ YOEPhD in CS/Engineering or MS with 3+ years industry experience; 2+ years in foundation models; deep learning with diffusion/3D/world models; Python/C++ and AI libraries; publications in major venues; strong teamwork.
Python, C++, TensorFlow, PyTorch, NLP libraries, CV libraries
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
2mo
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Research Scientist, AI
Redwood City, California, United States
$150k-$350k/yr HybridFull Time
PhD in computer science or related field or equivalent experience; significant experience building scalable DL systems; strong engineering; comfort with ambiguity; strong communication.
2mo
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Research Scientist - AI Incubation
Seattle or San Jose
$138k-$275k/yr HybridFull Time
PhD in CS/AI/ML; expertise in LLM post-training, RLHF/DPO/PPO, federated learning; distributed training; PyTorch/Transformers/DeepSpeed/CUDA; publications/open-source.
PyTorch, Transformers, DeepSpeed, CUDA
1w
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Research Scientist, Applied Science
Palo Alto or Paris or Abu Dhabi
$175k-$270k/yr OnsiteFull Time
PhD (or equivalent) in CS/AI/Computational Biology, proven publication record, experience translating ML research to biology, computational discovery experience, collaboration with experimental scientists, and software engineering best practices.
AlphaFold2, AlphaFold3, RosettaFold
3w
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AI Research Scientist (Robot Learning)
San Francisco or Zurich
OnsiteFull Time
3+ YOEPhD-level background in CS/Data Science/Robotics (or equivalent), 3+ years training generative models, 4+ years Python development, project supervision experience, and fluent English.
Python, ROS2
1mo
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Senior Quantum AI Research Scientist, Applied Research
Redmond or Santa Clara
$192k-$305k/yr HybridFull Time
8+ YOEPhD preferred; 8+ years in quantum computing and/or AI/ML; deep ML/DL expertise; strong quantum information science background; excellent collaboration skills.
CUDA, PyTorch, JAX, Megatron-LM, GPU programming
1mo
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Research Scientist
San Jose, California, United States
OnsiteFull Time
PhD in Computer Science/AI or related field; strong publication record; experience in Generative AI, diffusion models, large-scale model training; good communication and teamwork.
Python, PyTorch, TensorFlow, Machine Learning Frameworks
1mo
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AI Research Scientist (Generative Models for Scientific Discovery)
Santa Clara, California, United States
$184k-$253k/yr OnsiteFull Time
MS or PhD in CS/EE/Math/Statistics; strong ML/NLP and generative AI; Python with PyTorch/TensorFlow; experience with scientific data; full-time role.
Python, PyTorch, TensorFlow
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