90 ai ml scientist jobs at 59 companies in Fairfield, CA
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Senior Applied AI/ML Scientist
United States or San Francisco
$190k-$220k/yr RemoteFull Time
Ph.D. in a STEM field required; ML coursework or degree; hands-on experience applying ML to scientific/engineering problems; strong Python and ML framework experience; ability to deploy models to production and communicate complex technical results.
Python, PyTorch, TensorFlow, Keras, sklearn, Microsoft Azure, AWS, GCP
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Senior Applied AI/ML Scientist - Compass
Waterloo or New York City or San Francisco or Toronto or London
$196k-$270k/yr HybridFull Time
5+ YOE5+ years building production ML/AI systems, hands-on applied science (data, evaluation, modeling), shipped agentic/LLM features, cross-stack engineering experience, and strong experimental and product judgment.
FLARE, Python, OpenAI Agents SDK, Snowflake
6d
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AI Scientist
Chicago or Minneapolis or San Francisco
$139k-$164k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience, 8+ years of AI/ML experience, and expertise in Python, AI/ML frameworks, generative AI, production deployment, and technical leadership.
Python, PyTorch, Hugging Face, LangChain, LangGraph
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ML Research Scientist (MLRS) - Generative AI
San Francisco or New York City
$165k-$259k/yr HybridFull Time
Industry research experience (post-degree), demonstrated research impact (publications or released models), proficiency in Python and modern ML frameworks, strong interdisciplinary communication, and experience collaborating on multi-person research projects.
Python, PyTorch, JAX
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AI/ML Applied Scientist - Remote
San Francisco or United States
$112k-$135k/yr RemoteFull Time
3+ YOEMaster's in CS/ML/STEM,3+ years with PyTorch/TensorFlow,2+ years NLP and generative AI experience,2+ years building ML applications,and 1+ year agentic research experience.
PyTorch, TensorFlow
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Co-Op, LS AI, ML Scientist for Protein Engineering
San Francisco, California, United States
OnsiteInternship, Temporary
PhD student in a quantitative field with ML and computational biology research experience; strong Python programming and experience with PyTorch or JAX; ability to work with biological datasets and communicate results.
Python, PyTorch, JAX
3w
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Frontier Research AI Scientist
San Francisco or United States
RemoteFull Time
PhD or equivalent with hands-on frontier AI/ML research experience, publications or code, ability to develop new algorithms and deliver production solutions.
2mo
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Applied AI Scientist
Tel Aviv or Foster City or Plano or Toronto or Vancouver or London or Amsterdam or Tbilisi or Medellin
HybridFull Time
3+ YOEBachelor's in CS/Engineering (AI focus), 3+ years AI/ML engineering experience, production deployment of agentic AI systems, proficiency with Python and SQL, LLMs, RAG and vector DBs, cloud deployment (AWS preferred).
Python, SQL, AWS, LLMs, RAG, vector databases
2w
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Data Scientist/ AI Engineer
San Francisco, California, United States
$90k-$160k/yr OnsiteFull Time
3+ YOE3+ years building and deploying GenAI and predictive AI solutions; bachelor's degree in CS/ML/AI or related; proficiency in Python, ML frameworks, APIs, MLOps, and data engineering.
GPT, Claude LLM, Stable Diffusion, LangChain, TensorFlow, PyTorch, Scikit-learn, RAG, AI Agents, API Development, REST APIs, JSON, HTTP Requests, Authentication & Tokens, Python
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Applied AI Scientist
San Francisco, California, United States
$190k-$240k/yr OnsiteFull Time
5+ YOEBachelor's or Master's in quantitative field, 5+ years ML experience, experience with transformers, time-series/state-space models, production ML platforms, Python, PyTorch, and GPU-accelerated pipelines.
Python, PyTorch, GPUs, GPU software toolkits
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AI Research Scientist
San Francisco or Menlo Park
$160k-$220k/yr HybridFull Time
Deep ML research experience, strong track record of novel contributions, ability to run experiments at scale, clinical collaboration experience, and familiarity with healthcare validation and external evaluation.
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Applied AI Scientist
San Francisco or New York
OnsiteFull Time
Technical sales/consulting or data science experience, enterprise sales cycle experience, strong ML and data analysis skills, proficiency with Python and SQL, excellent communication and project management.
Python, SQL
3mo
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AI Research Scientist, Robotics
Redmond or Menlo Park or Burlingame
$219k-$301k/yr OnsiteFull Time
5+ YOEPhD in AI/Robotics or related field; 5+ years robotics research; ML/RL/vision-language expertise; strong publication and systems-building track record.
PyTorch, TensorFlow, Python
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Staff Scientist - Extreme Weather, Predictability & AI/ML Forecasting
Berkeley or California
$173k-$243k/yr OnsiteFull Time
10+ YOEPhD (or equivalent) in a related field, 10+ years research experience, demonstrated PI funding record, leadership of interdisciplinary teams, experience applying AI/ML to forecasting, strong publication and communication record.
3mo
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AI Scientist - Biomedical Multimodal Modeling
South San Francisco, California, United States
$170k-$240k/yr OnsiteFull Time
Strong background in deep learning; experience with representation learning and generative modeling; proficiency in Python, ML frameworks (PyTorch, JAX); multitask experience with multimodal data.
Python, PyTorch, JAX
2w
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Principal AI Scientist (Polytope Bio)
New York City or San Francisco
$250k-$350k/yr OnsiteFull Time
2+ YOEPhD or equivalent in ML/computational biology preferred; 2+ years post-PhD industry research experience; experience training models from scratch, reinforcement learning, transformers/diffusion models, and building training infrastructure.
2mo
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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
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Senior AI Data Scientist I
Alameda, California, United States
$144k-$203k/yr OnsiteFull Time
5+ YOEDevelop, train, and validate AI/ML models for clinical datasets; proficiency with Python, R, SQL; experience with Databricks and AWS; strong statistical and data engineering skills; documentation and GxP-compliant validation experience.
Python, Pandas, NumPy, scikit-learn, R, SQL, LLM, Databricks, Delta Lake, AWS S3, AWS Lambda, AWS Glue, Git, GitHub, Jira, Spotfire, Tableau, Power BI
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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
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Senior Data Scientist, Applied AI
San Francisco, California, United States
$138k-$230k/yr OnsiteFull Time
3+ YOE3+ years experience in data science/applied ML or related fields, 2+ years hands-on data science/applied ML, production LLM experience, strong Python and SQL, FastAPI/Next.js/TypeScript experience a plus.
Python, FastAPI, Next.js, TypeScript, SQL, LangSmith, Braintrust, Langfuse, Arize
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