42 junior data scientist jobs at 23 companies in Castaic, CA
1mo
Save
Mark Applied
Hide
Data Scientist
Los Angeles or New York
$122k-$169k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Data Scientist
Los Angeles, California, United States
$101k-$126k/yr RemoteFull Time
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
1w
Save
Mark Applied
Hide
Data Scientist, Prime Video Science
Culver City or Seattle
$136k-$184k/yr OnsiteFull Time
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
4w
Save
Mark Applied
Hide
Associate Data Scientist
Los Angeles, California, United States
$100k-$117k/yr OnsiteFull Time
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
1w
Save
Mark Applied
Hide
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
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
3w
Save
Mark Applied
Hide
Data Scientist Intern
Pasadena, California, United States
OnsiteInternship
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
3w
Save
Mark Applied
Hide
Data Scientist
Los Angeles, California, United States
$111k-$246k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Associate Data Scientist
Los Angeles, California, United States
$70k-$109k/yr OnsiteFull Time
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
2d
Save
Mark Applied
Hide
Associate Data Scientist
Los Angeles, California, United States
$100k-$114k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2 years' experience required; Python, SQL, GitHub, machine-learning frameworks, full-stack development, LLM applications, data modeling, databases, and AI security and privacy experience required.
Python, SQL, GitHub, PyTorch, TensorFlow, JavaScript, Node.js, QT, R, Tableau, ArcGIS, D3.js, MDX, MySQL, SQL Server, Oracle, Snowflake, Redshift, Mongo, NoSQL, AWS, Azure, GCP, APIs, n8n, LangChain, LangGraph, AutoGen, CrewAI
1mo
Save
Mark Applied
Hide
Jr. Data Scientist, Business Analytics & Research
Universal City, California, United States
$70k-$85k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Sr. Data Scientist - Process Modeling
Boston or Cheyenne or Houston or Louisville or Atlanta or Thousand Oaks or Wichita or Jackson or Milwaukee or Columbus or Minneapolis or Fargo or Des Moines or Charleston or Washington D.C. or Seattle or Memphis or Charlotte or Indianapolis or Jacksonville or Sioux Falls or Virginia Beach or New York or Columbia or Providence or Detroit or Little Rock or Wilmington or Albuquerque or Burlington or Philadelphia or Salt Lake City or Phoenix or Newark or Portland or Bridgeport or Anchorage or Chicago or Manchester or Oklahoma City or Denver or Los Angeles or Cambridge or Las Vegas or Birmingham or Omaha or Billings or Baltimore or Portland or Boise City or Honolulu or New Orleans or Kansas City
$134k-$182k/yr RemoteFull Time
0+ YOEDoctorate OR Master's+2yrs OR Bachelor's+4yrs (or equivalent experience); preferred 3+ yrs biotech experience; experience with process modeling, data products, and integrating AI tools; strong communication and leadership.
Databricks, Python, SQL, Chat GPT, Codex, GenieCode, React, Spotfire, Tableau, Power BI, AGILE
6d
Save
Mark Applied
Hide
Data Scientist Graduate (TikTok Platform Safety) - 2027 Start (PhD)
Singapore or Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteFull Time
Currently pursuing a PhD in a technical field such as mathematics, statistics, economics, computer science, or data science; proficient in Python, SQL, or R and statistical methods.
Python, SQL, R
1mo
Save
Mark Applied
Hide
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
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
1w
Save
Mark Applied
Hide
R and Python Programmer / Data Scientist, Epidemiologic Research (Durational with Benefits)
Pasadena, California, United States
$87k-$113k/yr OnsiteFull Time
1+ YOEMinimum 1 year programming experience with SAS/SQL/R or similar; Bachelor's degree in quantitative field or 2 years analytics experience; relational DB, visualization, and open-source tool experience preferred.
SAS, SQL, SPSS, R, Python
4w
Save
Mark Applied
Hide
Data Science and Analytics_04
Los Angeles, California, United States
$71k-$75k/yr HybridFull Time
1+ YOEUniversity degree and 1+ years in data/analytics (advertising, consulting, or marketing). Skills in measurement, reporting, data QA, audience-based marketing, and strong communication.
Datorama, Tableau
4d
Save
Mark Applied
Hide
Applied Scientist, PhD New Grad
United States or Austin or San Francisco or New York City or Seattle or Los Angeles or Chicago or Gurugram or Bengaluru
$120k-$220k/yr RemoteFull Time
Bachelor's, master's, or PhD in a quantitative field; machine learning, statistics, Python, data science, analytical, communication, and clean coding skills; U.S. work authorization and residence required.
Python, PostgreSQL, AWS, Amazon EC2, Amazon S3, Amazon RDS, Amazon Redshift
2mo
Save
Mark Applied
Hide
Postdoctoral Scientist – Dyadic Research
Los Angeles, California, United States
$30-$45/yr HybridFull Time
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
3w
Save
Mark Applied
Hide
Research Scientist
Thousand Oaks, California, United States
$91k-$121k/yr OnsiteFull Time
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
2w
Save
Mark Applied
Hide
Senior Scientist, Bioinformatics
Monrovia, California, United States
$90k-$120k/yr OnsiteFull Time
2+ YOEPh.D. in quantitative discipline, minimum 2 years postdoctoral/industry experience, expertise in NGS data analysis, bioinformatics pipelines, Python or R, and machine learning/Bayesian methods.
Python, R, NGS
5d
Save
Mark Applied
Hide
Associate Scientist, Analytical Sciences
Santa Monica, California, United States
$69k-$104k/yr OnsiteFull Time
1+ YOERequires 2 years with a BS/BA or 1 year with an MS/MA in a relevant life science, plus cell-based assay, cell culture, immune cell, data analysis, and troubleshooting experience.
cell imagers, cell counters, immunoassay kits, flow cytometry
Explore Jobs