118 machine learning scientist jobs at 77 companies in Fairfax, CA

3mo
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Machine Learning Scientist / Senior Machine Learning Scientist
South San Francisco, California, United States
$170k-$233k/yr OnsiteFull Time
Calico
Calico: Researching aging biology to develop longevity-improving therapies.
5+ YOEPhD in computational biology, bioinformatics, computer science, or related field; strong publication record; 0-5 years (Scientist) or 5+ years (Senior Scientist) in industry or academia; deep ML expertise; genomics knowledge; onsite four days/week.
Python, TensorFlow, PyTorch, Genomics data, DNA sequence analysis
1mo
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Machine Learning Scientist
San Francisco, California, United States
$180k-$270k/yr OnsiteFull Time
Tacit
Tacit: Developing advanced hardware to rethink human-computer interaction.
PhD or equivalent experience in ML/computational neuroscience, expertise in deep learning, proficiency in PyTorch/TensorFlow and Python, experience deploying models, strong communication and collaboration skills.
PyTorch, TensorFlow, Python
2w
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Research Scientist, Machine Learning
South San Francisco, California, United States
$200k-$250k/yr OnsiteFull Time
Onepot
Onepot: An automation combining artificial intelligence and advanced robotics to accelerate chemistry research.
Strong machine learning fundamentals, modern empirical ML expertise, model training experience, and familiarity with PyTorch or other ML frameworks; no formal education required.
PyTorch
1mo
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Staff Machine Learning Scientist
Brisbane, California, United States
$200k-$284k/yr HybridFull Time
Freenome
FreenomeNASDAQ: FRNM: Develops blood tests for early cancer detection using machine learning.
6+ YOEPhD in quantitative field with 6+ years post-PhD industry/postdoc experience in applied ML/DL; demonstrated publications or impact; proficiency in Python/R/C/C++/Java; experience with deep learning, supervised/self-supervised/contrastive learning.
Python, R, Java, C, C++, PyTorch, TensorFlow, JAX, Hugging Face, TensorBoard, MLflow, Weights & Biases, Docker, GCP, Microsoft Azure, AWS
6d
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Applied Machine Learning Scientist
San Francisco, California, United States
$140k-$165k/yr OnsiteFull Time
Unlearn
Unlearn: Creates AI digital twins to accelerate clinical drug trials.
2+ YOEBachelor's degree in a relevant field, 2+ years developing machine learning models, software engineering fundamentals, Python ML and data science proficiency, and successful academic or industrial ML project execution.
Python, AWS, NLP, LLM
2mo
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Machine Learning Scientist, Reinforcement Learning
Emeryville or Hybrid (2-3 days on-site)
$200k-$330k/yr HybridFull Time
Profluent
Profluent: Designs functional proteins using deep generative AI models.
PhD or equivalent in CS/ML/NLP/Applied Math/Computational Biology/Statistics; experience with ML/RL; publications; PyTorch or Jax experience.
PyTorch, Jax
2w
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Principal, Machine Learning Scientist
San Mateo, California, United States
$254k-$290k/yr RemoteFull Time
BigHat Biosciences
BigHat Biosciences: Develops antibody therapies using artificial intelligence and synthetic biology.
5+ YOEPhD in ML/CS or hard sciences with 5+ years post-PhD experience, strong ML research record, Python/PyTorch proficiency, biomedical domain knowledge, and leadership/mentorship experience.
Python, PyTorch, LIMS++, git, Next-Generation Sequencing (NGS), AWS
2mo
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Staff Machine Learning Scientist
San Francisco, California, United States
$205k-$307k/yr HybridFull Time
Hinge Health
Hinge HealthNYSE: HNGE: Digital provider of musculoskeletal care and physical therapy
7+ YOEBachelor's in a quantitative field, 7+ years building and deploying ML systems at consumer scale, shipped recommendation/sequential-decision systems, strong experimentation and statistics, proficiency in Python and SQL.
Python, SQL, Statsig, Databricks, feature stores, Airflow, dbt, TypeScript
2mo
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Machine Learning Scientist - Quantum Chemistry
Welwyn or Basel or San Francisco
OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Develops and manufactures pharmaceutical medicines and diagnostic solutions.
PhD or equivalent in a quantitative field; deep ML expertise; hands-on quantum chemistry experience (Psi4, PySCF, ORCA, xTB); fluent in Python and PyTorch or JAX; publication record; experience building scalable ML pipelines and synthetic datasets.
Psi4, PySCF, ORCA, xTB, Python, PyTorch, JAX, GitHub, GitLab
2mo
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Machine Learning Scientist - Apple Services Engineering, GenAI & ML Frameworks
San Francisco, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Experienced ML scientist working on LLMs and GenAI, collaborating with product, infra, and foundation model teams to improve model reasoning, domain knowledge, tool use, and system integration.
2mo
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Senior Principal Machine Learning Scientist, AIBT
South San Francisco, California, United States
$203k-$377k/yr OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Provides innovative pharmaceutical and diagnostic healthcare solutions.
7+ YOEPhD in a quantitative field, 7+ years post-PhD research experience building ML methods for biology; deep expertise in foundation models, sequence modeling, regulatory genomics, and proven scientific leadership and publication record.
1w
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Machine Learning Data Scientist, Forecasting
San Francisco, California, United States
$230k-$385k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
7+ YOEAdvanced quantitative degree, 7+ years of applied data science experience, forecasting and predictive modeling expertise, Python and SQL proficiency, production model monitoring, and strong executive communication skills.
Python, SQL, scikit-learn, PyTorch, TensorFlow, TimeGPT
2mo
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Senior Machine Learning Scientist I, Drug Discovery Analytics
Redwood City, California, United States
$229k-$269k/yr HybridFull Time
Revolution Medicines
Revolution MedicinesNASDAQ: RVMD: Developing precision oncology therapies for RAS-addicted cancers
6+ YOEPhD in a quantitative field; 6+ years applying ML to scientific datasets; expertise in Python and scientific libraries; experience with PyTorch/TensorFlow/scikit-learn, model development/validation, and noisy experimental data.
Python, NumPy, Pandas, SciPy, PyTorch, TensorFlow, scikit-learn, RDKit, OpenEye
2mo
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Machine Learning Scientist, Applied Machine Learning and Agentic AI, Pharma R&D
New York City or Boston or Redwood City or Chicago
$100k-$160k/yr OnsiteFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
3+ YOEPhD required (or Masters with 3+ years), strong AI/ML, agentic AI, oncology data, Python, LangGraph preferred, multimodal data, cloud deployment, excellent communication.
Python, LangGraph, Retrieval-Augmented Generation, LLM
3w
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Staff Machine Learning Scientist, Applied Causal Inference
San Francisco or Sunnyvale or Los Angeles or Seattle or New York City
$204k-$299k/yr OnsiteFull Time
DoorDash
DoorDashNYSE: DASH: Local food delivery and on-demand logistics platform.
Requires deep causal inference, econometrics, experimentation, or causal ML experience; production ML engineering ability; rigorous model evaluation; and cross-functional product and technical judgment.
CUPED, Covey Scout for Inbound
5d
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Staff Machine Learning Scientist, Applied Causal Inference
San Francisco or Sunnyvale or Los Angeles or Seattle or New York City
$204k-$299k/yr OnsiteFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
Requires deep practical causal inference, econometrics, experimentation, or causal ML experience; production ML engineering; rigorous model evaluation; and cross-functional product and marketplace decision-making skills.
CUPED, Covey, Covey Scout for Inbound
1mo
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Data Scientist/Machine Learning Engineer
Redwood City, California, United States
$125k-$150k/yr OnsiteFull Time
CATHEXIS
CATHEXIS: Provides consulting and technology services to federal government agencies.
2+ YOEBachelor's in CS/EE/Statistics (MS/PhD preferred), ~2 years relevant experience, strong Python and applied ML skills, scalable ML experience, strong math and communication skills.
Python, MapReduce, Amazon AWS, Microsoft Azure, Google Cloud Services
3d
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Director / Senior Director, Machine Learning for Biology
Redwood City or San Diego or San Francisco
$274k-$470k/yr OnsiteFull Time
Altos Labs
Altos Labs: Developing cell rejuvenation therapies to reverse diseases and aging.
10+ YOE4+ MgmtPhD in machine learning, computer science, computational biology, bioinformatics, or related quantitative field; 10+ years’ experience for Director or 14+ for Senior Director, including people leadership.
AI, ML, RL, LLMs
1mo
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Research Scientist - Machine Learning
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
Extropic
Extropic: Developing thermodynamic computing hardware for energy-efficient AI.
Expertise in scientific Python and a deep learning framework, strong probability and linear algebra, publications in top ML venues, experience with training/deploying high-performance models and related infrastructure.
Python, C++, PyTorch, JAX, TensorFlow, Keras, Slurm, Ray, Weights & Biases, AWS, ONNX
2d
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Founding Machine Learning Engineer
Mountain View, California, United States
$220k-$300k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
3+ YOE3–10 years as an ML Engineer, Applied Scientist, or Research Engineer; Python and PyTorch, TensorFlow, or JAX proficiency; distributed systems, cloud ML infrastructure, large datasets, and MLOps experience.
Python, PyTorch, TensorFlow, JAX, AWS, GCP, Azure, Weights & Biases, MLflow