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52 applied data scientist jobs at 40 companies in Fairfield, CA

1mo
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Senior Data & Applied Scientist
United States or San Francisco or New York City
$120k-$235k/yr OnsiteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
1+ YOEDoctorate+1yr or Master's+3yrs or Bachelor's+5yrs (or equivalent) in a quantitative field; experience in product/journey analytics, causal inference, experimentation, and data storytelling; proficiency with Python, R, SQL, KQL, PySpark and modern data platforms.
Python, R, SQL, KQL, PySpark, Fabric, Synapse, Azure Data Explorer (ADX), Delta Lake, Azure Data Factory (ADF), Databricks, Snowflake
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4w
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Senior Data Scientist, Applied AI
San Francisco, California, United States
$138k-$230k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
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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4w
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Applied Data Scientist
Santa Rosa or Loveland or Barcelona
$109k-$196k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
1+ YOEMaster's or PhD in a quantitative field, 1+ years data science experience, strong Python and SQL skills, experience with Snowflake/Databricks, tree-based ML, Bayesian Optimization, and building scalable data infrastructures.
Python, pandas, numpy, scikit-learn, SQL, C++, Snowflake, Databricks, XGBoost, LightGBM, Random Forests, Bayesian Optimization
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4w
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Applied Data Scientist
Santa Rosa or Loveland or Barcelona
$109k-$196k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
1+ YOEMaster's or PhD in a quantitative field,1+ years data science experience,proficiency in Python and SQL,experience with Snowflake/Databricks,data pipeline and ML model development,tree-based methods and Bayesian optimization.
Snowflake, Databricks, SQL, Python, C++, pandas, numpy, scikit-learn, XGBoost, LightGBM, Random Forests, Bayesian Optimization
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2mo
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Senior / Staff Applied Scientist
Toronto or San Francisco or Dallas or Pittsburgh or United States or Canada
$146k-$280k/yr HybridFull Time
Waabi
Waabi: Develops Physical AI for autonomous trucking and robotaxis.
6+ YOE6+ years in applied data science or ML; MS/PhD in quantitative field; Python/SQL; statistics; cross-functional collaboration; interest in self-driving tech.
Python, SQL
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3mo
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Applied Scientist
San Francisco, California, United States
$160k-$225k/yr HybridFull Time
Clipboard Health
Clipboard Health: Marketplace connecting healthcare facilities with on-demand nursing professionals.
Bachelor’s in a quantitative field; experience building quantitative models; SQL querying; designing and analyzing controlled experiments.
SQL, Python, R, Experimentation
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Applied Scientist
United States or New York City or San Francisco
$126k-$206k/yr RemoteFull Time
Juul Labs
Juul Labs: Produces electronic vaporizers and nicotine pods for adult smokers.
5+ YOE5+ years building industry analytics; expertise in SQL, dbt, BigQuery, Python (pandas); strong statistical foundation, causal inference and experimental design; ability to partner with commercial stakeholders.
SQL, dbt, BigQuery, Python, pandas, LLMs
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3mo
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Applied Scientist
San Francisco, California, United States
HybridFull Time
Adaption
Adaption: Develops efficient AI systems that adapt in real-time.
3+ YOE3–4 years in ML or applied research; deploy ML systems; strong software engineering with PyTorch/JAX/TensorFlow; online/ RL or efficient ML architectures; data modeling and curation impact; strong communication; ownership mindset; bonus: human feedback/adaptive learning.
PyTorch, JAX, TensorFlow
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1w
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Staff Applied Scientist
San Francisco, California, United States
$194k-$242k/yr HybridFull Time
Lyft
LyftNASDAQ: LYFT: Provides an on-demand ride-hailing and multimodal transportation platform.
2+ YOEM.S. or Ph.D. in a quantitative field,2+ years algorithms experience,proficiency with Python,production ML and optimization experience,strong communication and collaboration skills.
Python
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Data Scientist
New York City or San Francisco
OnsiteFull Time
Bedrock Robotics
Bedrock Robotics: Automates heavy construction machinery with AI retrofit kits.
5+ YOE5+ years in data science or applied ML, strong statistics and experimental design, proficiency in Python and SQL, experience with high-volume or real-time data, able to partner with engineering and product teams.
Python, SQL, agentic AI
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1w
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Data Scientist
Tucson or Oakland or Washington or New Orleans or Frisco or Houston
$75k-$173k/yr OnsiteFull Time
DHS Office of Inspector General
DHS Office of Inspector General: Provides independent oversight of Department of Homeland Security operations.
1+ YOEApply statistical and machine learning techniques using R or Python, build logical data models, create visualizations and dashboards, and communicate analytical findings to technical and non-technical stakeholders.
R, Python, Power BI, Tableau
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2mo
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Founding Data Scientist
San Francisco or Chicago
$180k-$240k/yr HybridMultiple Commitments Available
ZoomLogi
ZoomLogi: AI-native platform for managing critical healthcare logistics.
3+ YOE3-9 years of applied data science/ML; production models; Python; data infrastructure; experimentation; in-office in San Francisco or Chicago.
Python, React, TypeScript, Kafka, AWS, LLM
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2w
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Applied Scientist, AI
San Francisco or Menlo Park
$180k-$260k/yr HybridFull Time
Sprinter Health
Sprinter Health: Mobile provider of in-home diagnostic and preventive healthcare services.
Designing and evaluating ML/AI models (ML, DL, NLP, LLMs), rigorous evaluation and error analysis, production handoff, experience with healthcare data and PHI/HIPAA-aware systems, strong communication.
Python, PyTorch, scikit-learn, NumPy, pandas, Polars, Hugging Face, Matplotlib, Claude Code, Cursor
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2w
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Sr. Applied Scientist, Amazon Ads
San Francisco, California, United States
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEPhD or Master+experience in applied research,5+ years building ML models for business,proficiency in Java/C++/Python,experience with deep learning,large-scale data,AB testing and EMR-scale experimentation.
Java, C++, Python, R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy, Hadoop, Spark, large language models
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2mo
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Senior Data Scientist
San Francisco or Mountain View
$123k-$218k/yr OnsiteFull Time
Databricks
Databricks: A unified platform for data analytics and artificial intelligence.
Experience applying Data Science/ML in production; strong Python/Scala, SQL; knowledge of Spark/Hadoop; BS/MS/PhD in CS or related field.
Python, Scala, Spark, Hadoop, SQL, R
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3d
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Staff Data Scientist
Santa Monica or Brooklyn or San Francisco or Los Angeles or New York City
$200k-$230k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
Strong applied data science and optimization experience; production modeling, experimentation, Python, AI-native workflows, and ability to partner with engineers to productionize decisioning systems.
Python
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1w
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Data Scientist
San Bruno, California, United States
$164k-$211k/yr HybridFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Ph.D. in quantitative field, applying statistical/optimization methods to business problems, framing problems, communicating results, Python or R, SQL, and explaining advanced statistical concepts.
Python, R, SQL
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1mo
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Applied Data Science & Insights Leader - GTM Intelligence Solutions and Technical Success
San Francisco, California, United States
$441k-$515k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
10+ YOE10+ years applied data science experience; deep SQL and Python skill; experience building production ML and insight products, causal and propensity modeling, team leadership, and an advanced quantitative degree or equivalent experience.
SQL, Python, Salesforce
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2mo
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Data Scientist - UK
United Kingdom or London or San Francisco or Canada or Poland
£60k-£70k/yr RemoteFull Time
Focal Systems
Focal Systems: Automates retail inventory management using AI-powered shelf cameras.
5+ YOE5+ years data science experience, strong SQL and Python (pandas, NumPy) skills, applied statistics and experimentation experience, ability to build predictive models and communicate results to stakeholders.
SQL, Python, pandas, NumPy, statsmodels, Snowflake, Sigma, Looker
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1mo
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Applied AI Scientist
San Francisco or New York
OnsiteFull Time
Omnifold
Omnifold: AI-powered forecasting and planning platform for supply chains.
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
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