26 decision scientist jobs at 20 companies in California
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Decision Scientist Senior
San Francisco or Seattle
HybridFull Time
5+ YOE5+ years in data/decision science, experience with agentic AI and automation, strong Python/R and SQL skills, advanced quantitative degree in a related field, excellent communication and ownership.
Python, R, SQL, LLMs
3mo
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Senior Staff, Decision Scientist, Risk
New York City or San Francisco or Salt Lake City
$216k-$270k/yr HybridFull Time
10+ YOE10+ years in payments/risk/decision science; Python and SQL; experience with large-scale transactional systems; knowledge of authorization optimization and loss modeling; cross-functional, product-minded; fintech/large tech preferred.
Python, SQL
2mo
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Decision Scientist II, Mobile
Santa Monica or United States
$130k-$155k/yr HybridFull Time
3+ YOEBachelor's in a quantitative field (or equivalent experience), 3+ years product analytics, experiment design and causal inference, proficiency in Python, R, SQL, and strong data visualization and communication skills.
Python, R, SQL
1mo
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Senior Decision Scientist_Decision Scientist_6
California, United States
OnsiteFull Time
8+ YOE8+ years product/digital design experience, expert Figma and Sketch, strong visual and UX skills, experience with data-heavy interfaces, portfolio showing product and communications work.
Figma, Sketch, Adobe Illustrator, Adobe InDesign, Adobe Photoshop, HTML/CSS, Stats Engine
1w
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Sr. Data Scientist, Demand Decision Systems
Palo Alto, California, United States
$147k-$184k/yr OnsiteFull Time
Requires Python, SQL, Databricks, Git workflows, CI/CD, and production forecasting or demand-model experience, including statistical and machine learning model development. A quantitative bachelor's degree or higher is preferred.
Python, SQL, Databricks, dbt, Git, GitLab, CI/CD, Hex, Looker
3d
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DATA SCIENTIST SUPERVISOR
Los Angeles County, California, United States
$126k-$170k/yr OnsiteFull Time
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
1w
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Staff Data Scientist
Santa Monica or Brooklyn or San Francisco or Los Angeles or New York City
$200k-$230k/yr HybridFull Time
Strong applied data science and optimization experience; production modeling, experimentation, Python, AI-native workflows, and ability to partner with engineers to productionize decisioning systems.
Python
2mo
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Senior Data Scientist
San Francisco or New York City
HybridFull Time
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
1mo
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Principal/Sr. Principal Scientist - Development
South San Francisco, California, United States
$142k-$321k/yr OnsiteFull Time
3+ YOEPhD and post‑doc or equivalent experience in toxicology, 3+ (Principal) to 8+ (Senior Principal) years industry toxicology experience, regulatory interaction experience, strong decision-making and communication, board certification in toxicology desirable.
2mo
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Staff Applied Scientist
United States or Alabama or Arkansas or California or Colorado or Florida or Georgia or Illinois or Kentucky or Massachusetts or Michigan or Montana or Missouri or Nevada or New Jersey or New York or North Carolina or Oregon or Pennsylvania or Texas or Washington or Utah or Virginia or Wisconsin
$192k-$288k/yr RemoteFull Time
4+ YOEMS/PhD in a quantitative field or equivalent experience; 4+ years industry experience (PhD) / 8+ years (MS); experience in inventory optimization, forecasting, stochastic optimization, and large-scale decision-making; strong Python/data-stack skills.
Python, numpy, torch, pandas
1mo
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Applied Scientist, Optimization & Logistics
San Francisco, California, United States
$160k-$220k/yr HybridFull Time
Strong foundations in operations research or optimization, experience with production optimization/decision systems, Python and SQL proficiency, experiment design, and cross-functional collaboration.
Python, SQL, Claude Code, Cursor
3w
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Data Scientist, GTM Intelligence
San Francisco, California, United States
$290k-$340k/yr HybridFull Time
Advanced SQL and production Python, experience owning production decision systems, feature engineering, model evaluation, monitoring, stakeholder discovery, and shipping data products.
Python, SQL, Databricks, Spark, dbt, Airflow, Salesforce
1d
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Senior Environmental Scientist (Specialist)
Yolo County or California
$8k-$11k/mo HybridFull Time
Experience in emergency or oil spill response, stakeholder engagement, communication products, training programs, and high-stakes decision-making; valid California driver's license required for some duties.
State Application STD Form 678
2mo
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WW RCC Data Scientist
Cupertino, California, United States
OnsiteFull Time
Experience applying quantitative techniques to behavioral segmentation, pilot measurement, text analytics and AI integration; strong analytical, communication, and decision-support skills for informing retail contact-center strategy.
1w
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Staff Data Scientist, Product
Bethesda or Palo Alto
$115k-$230k/yr HybridFull Time
8+ YOERequires 8+ years in product analytics, decision science, data science, or related quantitative roles; advanced SQL; Python or R; experimentation and causal inference expertise; and a bachelor's degree or equivalent experience.
SQL, Python, R
3mo
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Research Scientist, Amazon Music - DISCO
Seattle or Culver City or New York or San Francisco
$136k-$213k/yr OnsiteFull Time
4+ YOEPhD or Master’s with 4+ years of quantitative field research; expertise in causal modeling, A/B testing, and data-driven decision making.
R, MATLAB, Python
2mo
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Staff Machine Learning Scientist
San Francisco, California, United States
$205k-$307k/yr HybridFull Time
7+ YOEBachelor's in a quantitative field, 7+ years building and deploying ML systems at consumer scale, shipped recommendation/sequential-decision systems, strong experimentation and statistics, proficiency in Python and SQL.
Python, SQL, Statsig, Databricks, feature stores, Airflow, dbt, TypeScript
1mo
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Applied Research Scientist - Trust and Safety
Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo or Singapore
$219k-$408k/yr OnsiteFull Time
5+ YOE5+ years applied research experience; strong quantitative and qualitative methods, experimentation, causal inference, and communication skills to influence policy and product decisions.
1mo
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Scientist I/II, In Vivo Pharmacology
San Francisco, California, United States
$105k-$155k/yr OnsiteFull Time
Hands-on experience running mouse in vivo studies, dosing by multiple routes, tissue/blood collection, necropsy, PK/PD analysis, and translating data into next-study decisions.
2mo
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Mission Operations Responsible Engineer/Scientist
Long Beach, California, United States
$164k-$226k/yr OnsiteFull Time
5+ YOEBachelor's degree in a technical discipline, 5+ years in planetary missions or mission operations, scripting experience (Python), Linux/Unix proficiency, strong cross-discipline communication and decision-making under pressure.
Python, Linux/Unix
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