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38 junior data scientist jobs at 23 companies in Pasadena, CA

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Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
Help us #BeatIndeed & #BeatLinkedIn
3w
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Data Scientist
Los Angeles or New York
$122k-$169k/yr OnsiteFull Time
Fanatics
Fanatics: A global digital sports platform for merchandise and collectibles.
1+ YOEBachelor’s degree or equivalent experience, 1–3 years in data science/analytics, working knowledge of SQL, proficiency in Python or R, foundational statistics and ML knowledge, experience with BI tools and cloud data warehouses preferred.
SQL, Python, R, scikit-learn, Sigma, Looker, Tableau, Snowflake, BigQuery, Mixpanel, Amplitude, Google Analytics, Claude, OpenAI, GitHub, Airflow
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1w
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Data Scientist, Amazon Music - DISCO
Culver City or Sunnyvale or San Francisco or Seattle
$136k-$213k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOE2+ years data scientist experience, 3+ years with SQL/Python/R/SAS/Matlab, experience with ML, AI systems, and applying quantitative analysis to business problems.
SQL, Python, R, SAS, Matlab, Perl
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1mo
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Data Scientist
Los Angeles, California, United States
$101k-$126k/yr RemoteFull Time
EVgo
EVgoNASDAQ: EVGO: Operates a nationwide public electric vehicle charging network.
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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1w
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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 providing higher education and healthcare services.
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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1mo
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CD&A Data Scientist, Obesity - Senior Associate
Thousand Oaks, California, United States
HybridFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
0+ YOEEarly-career data scientist with graduate or equivalent experience; strong skills in statistical modeling, SQL, Python/R, data visualization, and ability to translate analytics into commercial insights.
Python, R, SQL, Tableau, Spotfire, Databricks, Azure, AWS
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2w
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Associate Data Scientist
Burbank or New York
$99k-$123k/yr OnsiteFull Time
Paramount
ParamountNASDAQ: PSKY: Produces and distributes media content across global entertainment platforms.
0+ YOE0-2 years experience in data science or ML engineering. Strong Python and SQL skills, experience with supervised/unsupervised learning, data transformation, model development, productionization exposure, and strong communication.
Python, SQL, Google Cloud Platform (BigQuery, ML Engine, and APIs)
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3w
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DATA SCIENTIST II
Norco, California, United States
$115k-$130k/yr OnsiteFull Time
VSolvit
VSolvit: Providing technology services and data solutions for government agencies.
2+ YOEUS citizen able to obtain Secret clearance; Bachelor’s in a quantitative field; 2+ years data science experience; proficiency with Python or R, ML frameworks, SQL, data visualization, and Atlassian tools.
Python, R, TensorFlow, PyTorch, Scikit-learn, SQL, Tableau, Power BI, Jira, Confluence, Hadoop, Spark, Git, GitHub, AWS, Azure
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1d
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Data Scientist Intern
Pasadena, California, United States
OnsiteInternship
Expatiate Communications
Expatiate Communications: Provides special education management and therapeutic services to school districts.
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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1d
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Data Scientist
Los Angeles, California, United States
$111k-$246k/yr HybridFull Time
UCLA Health
UCLA Health: Provides comprehensive hospital services and academic medical research.
2+ YOEMaster's required (PhD preferred),2+ years analytics experience,expertise with LLMs/generative AI,MLOps/LLMOps,responsible AI,bias testing,Python/R required,TensorFlow/Keras/scikit-learn and visualization tools;Epic certification within 6 months.
TensorFlow, Keras, scikit-learn, Microsoft Azure, Databricks, Python, R, Jupyter Notebooks, IPython, SQL, Tableau, Power BI, matplotlib, ggplot2, C++, Java, Perl
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3w
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Associate Data Scientist
Los Angeles, California, United States
$70k-$109k/yr OnsiteFull Time
AEG Worldwide
AEG Worldwide: Operates live entertainment venues and professional sports franchises worldwide.
1+ YOEBA/BS in a quantitative field, 1-2 years in data science/analytics, working knowledge of SQL and Python, understanding of statistical methods, exposure to NLP, and experience building reports/dashboards.
SQL, Python, Tableau, Looker, Power BI, Microsoft Excel, CRM
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6d
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Data Scientist (ITS)
Los Angeles, California, United States
$120k-$156k/yr OnsiteFull Time
Keck Medicine of USC
Keck Medicine of USC: Provides specialized medical care and research via university health system.
2+ YOEBS/MS in CS/Engineering or equivalent; 2+ years experience; strong Python, SQL, GitHub, ML frameworks, JavaScript/Node.js/Qt; experience building and deploying LLM/agentic AI workflows, grounding/RAG, and secure cloud deployments.
Python, SQL, GitHub, PyTorch, TensorFlow, JavaScript, Node.js, Qt, n8n, LangChain, LangGraph, AutoGen, CrewAI, AWS, Azure, GCP, Tableau, ArcGIS, D3.js, R, MySQL, SQL Server, Oracle, Snowflake, Redshift, MongoDB, NoSQL, MDX
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3w
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Data Scientist for Analytics (Engineer/Scientist Support)
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Bachelor's degree in a related field, U.S. citizen able to obtain DoD SECRET clearance, working knowledge of MATLAB or Python, familiarity with tool verification/validation, strong analytical and communication skills, willingness to travel up to 10%.
MATLAB, Python
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2w
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Jr. Data Scientist, Business Analytics & Research
Universal City, California, United States
$70k-$85k/yr HybridFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
2+ YOEBachelor's in a quantitative field,2+ years applying quantitative analysis,proficiency in SQL and Python or R,statistical modeling knowledge,experience with Tableau or Power BI,Microsoft Excel and PowerPoint.
SQL, Python, R, Tableau, Power BI, Microsoft Excel, Microsoft PowerPoint
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1w
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Data Scientist (Multiple Positions)
Culver City, California, United States
$159k-$228k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
2+ YOEMaster's+2 years or Bachelor's+5 years in quantitative field; 2 years experience with SQL, Python, ML model development, data visualization, reporting and experimentation; strong statistical and communication skills.
SQL, Python
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2w
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EY-Parthenon - Strategy and Execution - Growth Platforms - Data Scientist - Sr Associate/Consultant
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
2+ YOEBachelor's degree plus 2+ years related experience (or graduate degree + ~18 months); experience in data engineering/data science pipelines; strong SQL, Python/Scala, cloud data infra, Airflow/dbt; excellent communication.
GCP, AWS, Snowflake, BigQuery, Databricks, Delta Lake, SQL, Python, Scala, Airflow, dbt, Microsoft Copilot
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3w
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Data Scientist for Analytics (Engineer/Scientist Support)
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
Bachelor's degree, U.S. citizenship, ability to obtain/maintain DoD SECRET clearance, working knowledge of MATLAB or Python, familiarity with verification/validation, strong analytical and communication skills, willing to travel up to 10%.
MATLAB, Python
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1mo
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Staff Scientist
Thousand Oaks or California
$60k-$75k/yr FieldFull Time
Apex Companies
Apex Companies: Provides environmental consulting, civil engineering, and water infrastructure services.
Bachelor's in geology, hydrogeology, environmental science or related; field sampling and data management experience preferred; proficiency with Microsoft Office; 40-hour HAZWOPER and related training preferred; valid driver's license and reliable transportation required.
Microsoft Office
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1mo
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Postdoctoral Scientist – Dyadic Research
Los Angeles, California, United States
$30-$45/yr HybridFull Time
Cedars-Sinai
Cedars-Sinai: Provides academic medical care, specialized treatment, and biomedical research.
1+ YOEDoctorate in a field related to cancer research; cover letter required; 1 year of initial post-doctoral training with 1-5 year program.
R, SAS, SPSS, Stata, Mplus
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2mo
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Scientist - Plasma Diagnostics
Foothill Ranch, California, United States
$110k-$130k/yr OnsiteFull Time
TAE Technologies
TAE Technologies: Developing commercial fusion energy and advanced power management technologies.
PhD in plasma physics with in situ diagnostics; hands-on diagnostics experience; data analysis and reporting; programming in Python.
Langmuir probes, retarding field analyzers, fast ion loss detectors, pyrobolometers, thermo-optical arrays, DAQ systems, oscilloscopes, function generators, high-vacuum systems, Python
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3d
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Research Scientist
Thousand Oaks, California, United States
$91k-$121k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
M.S. or Ph.D. in engineering or physics, 0–5 years relevant experience, strong heat transfer and fluid dynamics background, hands-on experimental lab experience, data analysis skills, familiarity with ANSYS Fluent/Icepak/Workbench, US citizenship required.
ANSYS Fluent, Icepak, Workbench
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