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757 senior data scientist jobs at 336 companies in California

3mo
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Senior Data Scientist II
Raleigh or New York or California
$105k-$175k/yr HybridFull Time
LexisNexis
LexisNexisNYSE: RELX: Provides legal research and business analytics software solutions.
Senior data scientist with ML/NLP/LLM experience; master's or higher; strong coding; hybrid search and agentic workflows experience; Python; statistics.
Python, LLMs, NLP, Vector databases, LangChain, LangGraph, AutoGen, RAG, Embeddings
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Senior Data Scientist
San Jose, California, United States
$180k-$212k/yr HybridFull Time
Roku
RokuNASDAQ: ROKU: Operates a TV streaming platform and sells streaming hardware.
5+ YOE5+ years in data analytics/science or BI; strong SQL; Python or R; data visualization; statistics; excellent communication; cross-time-zone collaboration.
SQL, Python, R, Tableau, Looker, Big Data
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2mo
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Senior Data Scientist
San Diego, California, United States
$105k-$164k/yr OnsiteFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
5+ YOEMaster’s degree in Data Science, Analytics, or Computer Science; 5+ years of data-driven solutions; ML/AI experience; Python; Git; US citizen; active Secret clearance.
Python, Git, Version Control
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Sr Data Scientist
Foster City, California, United States
$161k-$259k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOESenior data scientist with 5+ years' experience; strong statistics, modeling, SQL/Hive, Python/R, data visualization, and FP&A or finance analytics experience.
SQL, Hive, Python, R, Spark, Tableau, Power BI, VSCode, Pycharm
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Senior Data Scientist, Product & Growth
San Francisco, California, United States
$180k-$250k/yr OnsiteFull Time
ComfyUI
ComfyUI: Modular visual AI platform for building and automating workflows.
Senior product/growth data scientist with several years of experience; hands-on SQL and Python, experimentation and statistics, building growth models, working with PostHog/dbt/warehouse, strong communication and product partnership skills.
SQL, Python, PostHog, dbt, ComfyUI, GitHub, warehouse
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2mo
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Senior Data Scientist
Mountain View or Atlanta
$146k-$305k/yr HybridFull Time
Omnissa
Omnissa: Provides AI-driven digital workspace and endpoint management software solutions.
5+ YOE5+ years in data science/ML; proficient in Python; experience with AI/ML frameworks; LLMs, NLP, RAG; cloud, distributed computing; strong collaboration.
Python, Java, C++, Scikit-Learn, Numpy, Pandas, SciPy, Hugging Face Transformers, LLMs, LangChain, LangGraph, AWS, Azure, Google Cloud, Spark, Ray, Retrieval Augmented Generation, Vectors, Distributed Computing
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Senior Data Scientist
California or New York City or Washington
$145k-$266k/yr OnsiteFull Time
Epic Games
Epic Games: Develops video games and licenses the Unreal game engine.
5+ YOE5+ years data science experience, expertise with SQL and Python, time series modeling and forecasting, strong communication, experience presenting to senior leaders.
SQL, Python, PySpark, Prophet
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5d
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Senior Data Scientist
Iași or Porto or Aveiro or Coimbra or Leicester or San Diego or San Francisco or Chennai or Bengaluru or Blumenau or Cluj-Napoca or Valencia or Casablanca or Melbourne
HybridFull Time
Mindera
Mindera: Develops bespoke software systems and digital products for enterprises.
Senior individual contributor with expert Python or R, CausalImpact or RStan, advanced SQL, cloud experience across AWS, Azure, or GCP, and strategic data science leadership.
Python, R, CausalImpact, RStan, SQL, AWS, Azure, GCP, Databricks, Snowflake
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1mo
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Senior Staff Data Scientist
Mountain View or Korea
$174k-$290k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
8+ YOEMaster's in CS/EE/Math (or related), 8+ years data scientist experience, expertise in experimentation/statistics, strong SQL and R/Python skills, experience with large datasets and ML/LLM concepts, strong communication.
SQL, R, Python, ML, LLMs
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2mo
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Senior Data Scientist, Apple Ads
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Experienced data scientist to work on measurement, forecasting, optimization, and experimentation for Apple Ads across services; partners with product, engineering, finance, and sales.
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Data Scientist / Senior Data Scientist
Boston or San Ramon or Atlanta
$100k-$160k/yr OnsiteFull Time
Berkshire Hathaway Specialty Insurance
Berkshire Hathaway Specialty InsuranceNYSE: BRK.A: Provides commercial property, casualty, and specialty insurance coverages globally.
3+ YOEM.S. or Ph.D. in a quantitative field, 3+ years industry experience for senior level, advanced statistics and ML, strong Python/R/SQL skills, experience with geospatial and catastrophe data, git and cloud analytics experience.
Python, R, SQL, git, Databricks, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG)
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6d
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Senior Data Scientist, NAS Discovery and Returns
Sunnyvale or Seattle
$159k-$248k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOERequires 5+ years using SQL, Python, or statistical software, 4+ years as a data scientist, a quantitative bachelor's degree, statistical modeling, and senior stakeholder communication.
SQL, Python, R, SAS, Matlab, AWS QuickSight, Tableau, R Shiny, LLMs, machine learning
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3mo
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Staff Data Scientist, Marketing
San Francisco, California, United States
RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
10+ YOESenior data scientist for marketing measurement; advanced degree; 6–10+ years experience in marketing science/econometrics; Python/R/SQL; production pipelines; communicates with executives.
Python, R, SQL, Machine Learning, Data Pipelines
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1w
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Senior Data Scientist
Santa Clara, California, United States
$125k-$201k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Develops and manufactures pharmaceutical drugs and medical devices.
5+ YOEBachelor's or master's degree in a technical field and 5+ years in data science, engineering, or analytics. Requires Python, SQL, distributed data frameworks, data modeling, cloud platforms, machine learning, and cross-functional communication.
Python, SQL, Apache Spark, Databricks, AWS, Microsoft Azure, Power BI, Delta Lake, ERP, CRM
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2mo
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Sr Data Scientist - Marketing Analytics
Tukwila or Remote, Texas or Remote, California or Remote, Idaho or Remote, South Carolina or Remote, Oregon or Remote, Virginia or Remote, North Carolina or Remote, Georgia or Remote, Arizona
$91k-$169k/yr HybridFull Time
BECU
BECU: Provides banking and financial services to its members.
5+ YOESenior data scientist role focusing on marketing analytics; 5+ years in data science; strong business-facing analytics; Python, R, SQL proficiency.
Python, R, SQL, MLflow, Airflow, Kubeflow, Snowflake, BigQuery, Redshift, Spark
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3mo
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Sr. Data Scientist, Translational Research
Chicago or Redwood City or New York City
$100k-$175k/yr RemoteFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
Senior data scientist with advanced degree, experience in large biomedical datasets, ML, Python/R, cloud, and AI-enabled workflows.
Python, R, AWS, GCP, Docker, Git, Linux, Jupyter, Pandas, NumPy, SciPy, Scikit-learn, GitHub Copilot, Plotly, Flask, Dask
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Senior Data Scientist
Sunnyvale, California, United States
$179k-$219k/yr OnsiteFull Time
Intuitive
IntuitiveNASDAQ: ISRG: Robotic-assisted systems for minimally invasive surgery.
5+ YOELead development of data models and analytics for Ion system; build production data pipelines; implement ML models; collaborate with cross-functional teams.
Python, SQL, Snowflake, Databricks, dbt, Machine Learning
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Senior Data Scientist
Dublin or Mountain View
OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Expertise with large data sets, statistical and ML techniques, Python and related libraries, big data tools, version control, and ability to translate analyses into business insights.
Python, Pandas, scikit-learn, PySpark, Hadoop, Impala, Spark, Git, Tableau, Domo, Power BI
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3w
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Senior Data Scientist
San Diego, California, United States
$105k-$164k/yr OnsiteFull Time
Noblis
Noblis: Provides science and technology solutions for government missions.
5+ YOEMaster’s in data science/analytics/computer science,5+ years experience in data-driven and ML/AI systems,Python and version control experience,US citizenship,and active Secret clearance.
Python, Git, Docker, Kubernetes, OpenShift
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5d
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Senior Data Scientist
New York or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Platform for mobile application distribution and advertising monetization.
8+ YOE8+ years in data science or quantitative analysis; expertise in experimental design, causal inference, statistical and ML modeling; SQL and Python or R; large-scale data; strong communication skills.
SQL, Python, R, Databricks, Spark
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