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1,220 data scientist jobs at 469 companies in California

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Data Scientist
New York City or San Francisco or United States or Canada or United Kingdom
$137k-$297k/yr HybridFull Time
Ramp
Ramp: Finance automation platform for business.
4+ YOEMinimum 4 years as a Data Scientist; strong SQL (Redshift/Snowflake/BigQuery), BI tooling (Looker/Omni/Sigma/Hex), experience shipping data products and partnering with product/engineering.
SQL, Redshift, Snowflake, BigQuery, Looker, Omni, Sigma, Hex, Fivetran, dbt, Hightouch
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1mo
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Data Scientist
San Francisco or New York City or Seattle
$136k-$213k/yr OnsiteFull Time
Twitch Interactive
Twitch Interactive: An Amazon-owned interactive livestreaming service for viewers and streamers across gaming, entertainment, sports, and music.
3+ YOE3+ years as a data scientist or PhD; strong causal inference and experimentation skills; proficiency in SQL and Python or R; strong communication and dashboarding experience.
SQL, Python, R, Airflow, SageMaker
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3mo
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Sr Data Scientist
Foster City, California, United States
$161k-$259k/yr HybridFull Time
Visa
VisaNYSE: V: Global leader in digital payments and transaction technology.
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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Data Scientist, Region Flexibility
Sunnyvale, California, United States
$183k-$248k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
4+ YOE5+ years with SQL/Python/R/SAS/Matlab, 4+ years as a data scientist, experience with statistical models and data visualization, plus data pipeline and leadership experience preferred.
SQL, Python, R, SAS, Matlab, AWS QuickSight, Tableau, R Shiny
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Data Scientist, Subscription Analytics
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
Experienced data scientist focused on exploratory analysis, feature usage behavior, conversion optimization, and developing innovative components to increase user engagement.
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3mo
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Staff Data Scientist, Marketing
San Francisco, California, United States
RemoteFull Time
Reddit
RedditNYSE: RDDT: Social news aggregation, web content rating, and discussion platform.
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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DATA SCIENTIST SUPERVISOR
Los Angeles County, California, United States
$126k-$170k/yr OnsiteFull Time
Los Angeles County Department of Mental Health
Los Angeles County Department of Mental Health: Public county mental health department providing clinical, crisis, housing, and rehabilitative services to Los Angeles County residents.
2+ YOERequires two years leading advanced data science methods, statistical prediction, inference, optimization, and decision support at a Senior Data Scientist level; California Class C license or alternative transportation required.
machine learning, data visualization, data engineering, data modeling, ETL, large-scale databases
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(USA) Staff, Data Scientist
Sunnyvale, California, United States
$143k-$286k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
5+ YOESenior data scientist with expertise in ML (deep learning, RL, NLP), distributed computing (Spark/Hadoop), Python, big-data platforms, SQL, cloud (GCP/Azure), model deployment in high-scale production, and strong leadership.
Spark, Python, Java, C, C++, Hadoop, Hive, Pig, MapReduce, Scala, Git, SQL, GCP, Azure, scikit-learn, TensorFlow, PyTorch, R
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3mo
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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: Member-owned, not-for-profit credit union improving the financial well-being of members and communities.
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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4mo
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Data Scientist
San Francisco, California, United States
$155k-$180k/yr OnsiteFull Time
Middesk
Middesk: Business identity platform providing verification, fraud, and credit-risk infrastructure for B2B transactions.
4+ YOE4+ years in fraud/risk/trust domains; experience shipping production ML/data systems; strong ML/data systems foundation; familiarity with graph/relational data; hands-on and pragmatic.
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2d
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Data Scientist
San Francisco or Seattle or New York City or Washington or Raleigh or London or Amsterdam or Canada or United States or United Kingdom
$191k-$263k/yr HybridFull Time
Plaid
Plaid: Fintech data network connecting consumers’ financial accounts to apps and services.
5+ YOERequires 5–8+ years in data science or analytics, product data science experience, experimentation, strong SQL, data pipeline experience with Airflow and dbt, stakeholder influence, and strong communication skills.
SQL, Python, Amazon Redshift, Databricks, dbt, Apache Airflow
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Data Scientist
San Francisco, California, United States
$138k-$221k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payments technology powering digital economies.
Bachelor's degree in CS/Data Science/Statistics, multiple years in data science or data engineering, strong SQL and Python, experience with ML frameworks, Airflow, Spark/Hadoop, statistics, and production model deployment.
SQL, Python, scikit-learn, TensorFlow, PyTorch, Airflow, Spark, Hadoop
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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: AI-enabled precision medicine and health technology.
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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2mo
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Senior Staff Data Scientist
Mountain View or Korea
$174k-$290k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: We exist to wow our customers.
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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1w
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Data Scientist
Santa Clara, California, United States
$170k-$234k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Global leader in materials engineering for the semiconductor industry.
Expertise in statistical analysis, data mining, analytical modeling, SQL, and large-dataset processing; programming in PHP or Python; experience with business requirements, KPIs, and data systems.
R, SAS, MATlab, SQL, PHP, Python
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Data Scientist
Santa Clara, California, United States
$143k-$197k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Global leader in materials engineering for the semiconductor industry.
Conceptual and practical expertise in data science, statistical and data-mining analysis, database design, analytical modeling, large-dataset processing, and SQL, PHP, or Python programming.
R, SAS, MATLAB, SQL, PHP, Python
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3w
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Data Scientist
United States or Alexandria or Los Angeles or Colorado Springs or Maryland or Virginia or District of Columbia
HybridFull Time
GeoDelphi
GeoDelphi: AI intelligence-analysis serving defense and intelligence operators with geospatial and activity-based intelligence.
5+ YOERequires 5+ years in data science focused on geospatial analysis, statistical modeling, predictive model validation, data visualization, and US citizenship with residence in the contiguous United States.
QGIS, ArcPro, Python, GeoPandas
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3d
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Data Scientist
Fort Lauderdale or New York City or San Francisco or Seattle
RemoteFull Time
Fit:Match
Fit:Match: The world's leading Body AI platform.
Transform 3D body scan data into anthropometric measurements and health metrics by training algorithms, processing spatial data, testing models, collaborating on production deployment, and reporting results.
Cursor
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1w
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Data Scientist
Austin or Fremont or Lisle
$160k-$200k/yr RemoteFull Time
Molex
Molex: Electronic, electrical, and fiber-optic connectivity systems manufacturer serving automotive, industrial, medical, and data-center customers.
10+ YOE10+ years in data science; hands-on AI/ML model building and validation; strong Python and SQL; Azure data tools; statistics including regression and DOE; dashboarding experience.
Azure Data Factory, Azure Databricks, Power BI, Python, pandas, NumPy, scikit-learn, SQL, Azure Synapse
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1mo
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Data Scientist
Monterey, California, United States
$78k-$176k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
2+ YOE2+ years in data exploration, cleaning, analysis, visualization; Python experience; ML/AI/NLP exposure; experience with structured and unstructured data; Bachelor's degree; Secret clearance required.
Python, R, SAS, SQL, NoSQL, Hadoop, Hive, EMR, Kafka, Spark, MySQL, Contour, Vertex, Workshop, Grafana
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