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227 junior data scientist jobs at 112 companies in California

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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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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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Data Scientist
Tucson or Oakland or Washington or New Orleans or Frisco or Houston
$50k-$100k/yr OnsiteFull Time
Department of Homeland Security
Department of Homeland Security: U.S. government department protecting the homeland through border security, immigration enforcement, disaster response, cybersecurity, and emergency preparedness.
1+ YOEDegree in mathematics/statistics/computer science/data science or equivalent education/experience; 1+ year specialized analytical experience; proficiency with R or Python, statistical techniques, data modeling, and reporting for audits and investigations.
R, Python, Power BI, Tableau, Microsoft Excel, Perl, VBScript
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Senior Data Scientist
San Francisco or New York City
HybridFull Time
Beast Industries
Beast Industries: Privately held creator-led holding producing digital entertainment, snacks, software, and consumer brands for global audiences.
6+ YOE6+ years in data science/advanced analytics, deep expertise in statistical modeling, experimentation, and ML, strong SQL and Python or R skills, experience influencing business decisions, and mentoring junior staff.
SQL, Python, R
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Data Scientist
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
Work with quality engineering and algorithm teams to build metrics, define and validate data and labels, and test algorithm performance using repeatable processes.
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Data Scientist
Monterey or McLean
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
2+ YOE2+ years data exploration, cleaning, analysis, visualization; Python experience; predictive modeling; ML/AI/NLP experience; Secret clearance required; Bachelor’s degree required.
Python, R, SAS, SQL, NoSQL, Hadoop, Hive, EMR, Kafka, Spark, MySQL, Contour, Vertex, Workshop, Grafana
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Data Scientist
New York City or Chicago or Boston or California or Palo Alto or Toronto or Arizona or Colorado or Florida or Georgia or North Carolina or New Jersey or Nevada or Oregon or Tennessee or Texas or Utah or Virginia or Ontario
$140k-$160k/yr RemoteFull Time
Jerry
Jerry: AI-powered insurance brokerage and car-care app helping American drivers compare coverage, maintain vehicles, and drive safely.
2+ YOERequires 2+ years in consulting, investment banking, or high-growth technology; strong analytical skills; independent data interpretation; ambiguous-problem ownership; and persuasive leadership-level communication.
SQL, ClickHouse, Metabase, Python, JupyterHub, GitHub
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Data Scientist
Santa Clara or United States
$130k-$150k/yr RemoteFull Time
Picarro
Picarro: Private environmental technology providing gas and VOC monitoring instruments and analytics to scientists, utilities, and manufacturers.
2+ YOEMaster's or Ph.D. in a physical science, engineering, or related field; 2+ years' research or industry experience; statistical modeling, time-series and geospatial data experience; Python and SQL proficiency.
Python, Pandas, NumPy, SciPy, Matplotlib, SQL, AWS, WRF, HYSPLIT, Gaussian plume, Monte Carlo simulation, version control, code review
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Data Scientist
Seattle or San Francisco or San Jose
$133k-$236k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Empowering everyone to create through innovative digital experiences.
2+ YOEQuantitative degree required; advanced degree preferred. Requires 2+ years of data science experience, large-dataset analysis, machine learning, experimentation, problem-solving, and communicating insights to leaders.
Adobe Express, Adobe Acrobat Studio, Adobe Firefly, Creative Cloud, Adobe Experience Platform, Adobe Experience Manager, GenStudio, AI
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Data Scientist
Los Angeles, California, United States
$101k-$126k/yr RemoteFull Time
EVgo
EVgoNasdaq Global Select Market: EVGO: Public U.S. electric-vehicle fast-charging network serving drivers, fleets, automakers, and businesses.
2+ YOEBachelor's in CS or related and ~2 years experience (or advanced degree/equivalent experience). Proficiency in SQL and Python, Snowflake ELT, data engineering, visualization, monitoring, and strong analytic/problem-solving skills.
Snowflake, SQL, Python
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Data Scientist
El Segundo or Chantilly or Colorado Springs
$95k-$143k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides independent technical research and advisory services for space programs.
2+ YOEBachelor's degree in a STEM field, 2 years of data science or machine learning experience, Python proficiency, machine learning model development, Unix/Linux familiarity, and ability to obtain a security clearance.
Python, Unix, Linux, cloud infrastructure, database, machine learning, deep learning
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Data Scientist, Prime Video Science
Culver City or Seattle
$136k-$184k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
2+ YOEMaster's or higher in a quantitative field,2+ years data scientist experience,SQL and Python (R/SAS/Matlab) proficiency,machine learning and causal inference experience,strong communication and analytical skills.
SQL, Python, R, SAS, Matlab
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Data Scientist II
Redmond or Washington or United States or San Francisco or New York
$102k-$202k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Multinational technology providing software, cloud, and AI solutions.
1+ YOEDoctorate, or master's plus 1+ year, or bachelor's plus 2+ years in data science or a related field. Requires security screening and data analysis expertise.
Azure, Cosmos, PowerShell, KQL, SQL, C#, TypeScript, Python
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Associate Data Scientist
Los Angeles, California, United States
$100k-$117k/yr OnsiteFull Time
University of Southern California
University of Southern California: Private research university based in Los Angeles.
2+ YOEBachelor's in quantitative field, 2+ years data science/analytics experience, proficiency in Python and SQL, experience with ETL, ML modeling, data visualization, and strong communication skills.
Apache Airflow, Tableau, Power BI, D3.js, Git, Python, SQL, MySQL, SQL Server, Snowflake, MongoDB, R, MDX, Oracle, Redshift
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Data Scientist / Senior Data Scientist
San Francisco or Seattle or New York City or Los Angeles or Chicago or Austin or Washington
$124k-$271k/yr OnsiteFull Time
DoorDash
DoorDashNYSE: DASH: Technology enabling local on-demand delivery and commerce.
2+ YOEBachelor's degree in a quantitative field, 2+ years in analytics or consulting, and expertise in SQL, ETL, A/B testing, statistical analysis, and visualization tools.
SQL, R, Python, Matlab, SAS, Chartio, Looker, Tableau, Gem, Covey
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DATA SCIENTIST II
Norco, California, United States
$115k-$130k/yr OnsiteFull Time
VSolvit
VSolvit: Woman-owned technology services provider delivering geospatial, application, database, and IT services to federal agencies.
2+ YOERequires U.S. citizenship, active Secret clearance, bachelor's degree, 2–5 years of data science experience, programming, machine learning, SQL, statistical modeling, data visualization, and communication skills.
Python, R, TensorFlow, PyTorch, Scikit-learn, SQL, Tableau, Microsoft Power BI, Jira, Confluence, AWS, Microsoft Azure, Hadoop, Spark, Git, GitHub
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Data Scientist 2
Fremont, California, United States
$86k-$183k/yr HybridFull Time
Lam Research
Lam ResearchNasdaq: LRCX: Global supplier of wafer fabrication equipment for semiconductors.
2+ YOEBachelor's degree plus 2 years or Master's in a quantitative field, 2+ years experience, strong data analysis, statistical modeling, machine learning, Python and data-library experience, SQL and cloud preferred.
Python, NumPy, pandas, SciPy, scikit-learn, PyTorch, TensorFlow, SQL
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Data Scientist Intern
Pasadena, California, United States
OnsiteInternship
Expatiate Communication, Inc.
Expatiate Communication, Inc.: Management consulting firm helping schools and districts improve special education outcomes for students with disabilities.
Pursuing or recently completed degree in CS/data-related field; proficiency in Python, Selenium, pandas, NumPy; experience with web scraping, data cleaning, EDA, and basic ML; must pass Live Scan background check and provide TB clearance.
Python, Selenium, pandas, NumPy, scikit-learn, BeautifulSoup, Matplotlib, Seaborn, SQL, NoSQL, AWS, GCP, Azure, Microsoft Power BI, Git
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Senior Data Scientist
United States or California or New York or Massachusetts
$150k-$180k/yr OnsiteFull Time
Rigel Pharmaceuticals
Rigel PharmaceuticalsNasdaq: RIGL: Public biotechnology developing and providing small-molecule therapies for patients with hematologic disorders and cancer.
2+ YOEPh.D. in biostatistics or related discipline plus 2 years in pharmaceutical or biotech industry, with statistical analysis, experimental design, clinical trial, and data science expertise.
R, SAS, Python, GitHub, Generative AI Tools
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Data Scientist
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$150k-$170k/yr HybridFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
2+ YOEBS/MS in a technical field, 2+ years software development, strong Python, production systems, AI/ML integration, model evaluation, APIs, distributed systems, containers, CI/CD, and observability.
Python, APIs, CI/CD, GPU
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