Data Scientist Senior Jobs in San Francisco, CA

Refine Results
21 - 40 of 75 Jobs

Senior Data Scientist - Ecosystem and Learning Platform

Roblox

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op

Senior Data Scientist - Growth Measurement

Roblox

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op

Lead Data Scientist

Strava, Inc.

San Francisco, California, USA

Full-time

About This Role Strava is the app for active people. With over 150 million athletes in more than 185 countries, it's more than tracking workouts-it's where connection, motivation, and personal bests thrive. No matter your activity, gear, or goals, Strava's got you covered. Find your crew, crush your milestones, and keep moving forward. Start your journey with Strava today. Our mission is simple: to motivate people to live their best active lives. We believe in the power of movement to connect

Senior Data Scientist

Talent Groups

Remote

Third Party, Contract

Role: Senior Data Scientist Location: Remote Job Description- Strong background in transformer architectures, fine-tuning, and healthcare data projects. Experience with embedding models, RAG, and knowledge graphs is important. Advanced skills in LLMs, RAG, embedding databases, vectors, and knowledge graphs. Experience training custom embedding models and applying RAG techniques. Technologies: OpenAI, agentic approaches, custom model architectures.

Senior Data Scientist

ConfigUSA

Remote or Reston, Virginia, USA

Contract

the Data Science team at CF that is in charge of the GenAI function. This person will act as primary source on new project as well as join several existing projects. Really needs to have NLP exp, AI/ML exp and a strong understanding of data engineering. Needs to be able to bring solutions to table. First primary project (Very early stages but some groundwork has been laid): Scripts to natural language Must haves: SQL scripting exp, data modeling / relational database structure, exp with indexing

Sr Data Scientist

Johnson & Johnson

Remote or New Brunswick, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Senior Data Scientist - Retail

CVS Health

Georgia, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Senior Data Scientist

Mass General Brigham

Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par

Sr Data Scientist - Generative AI/ML/Databricks - Remote

Molina Healthcare

Remote or Long Beach, California, USA

Full-time

Job Description Job Description Job Summary Perform data and error analysis to improve models, and clean and validate data for uniformity and accuracy. Execute data science and statistical analytical experiments methodically to help solve various problems and make a true impact across various healthcare domains. Developing and deploying advanced machine learning models and AI solutions that enhance our products and services. Leverage their expertise in data science, machine learning, and AI t

Senior Data Scientist - Remote

UnitedHealth Group

Remote or San Diego, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op

Arity - Senior Data Scientist

Allstate Insurance Company

Remote

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description Arity is a part of the Allstate Corporation, which means w

Senior Data Scientist - Search and Personalization

CVS Health

Georgia, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Sr Data Scientist - ML/AI/Databricks - Remote

Molina Healthcare

Remote or Long Beach, California, USA

Full-time

Job Description Job Description Job Summary Perform data and error analysis to improve models, and clean and validate data for uniformity and accuracy. Execute data science and statistical analytical experiments methodically to help solve various problems and make a true impact across various healthcare domains. Developing and deploying advanced machine learning models and AI solutions that enhance our products and services. Leverage their expertise in data science, machine learning, and AI t

Senior Data Scientist (Reinforcement Learning must have)

InfoObjects Inc

Remote

Contract

Senior Data Scientist (Reinforcement Learning must have) Location: 100% Remote Duration: 6 Months contract Reinforcement Learning (RL) Skill Set Understanding of Sequential Decision MakingRL focuses on agents making a series of decisions to maximize cumulative reward.Requires knowledge of Markov Decision Processes (MDPs), policy/value functions, and Bellman equations.Algorithmic Expertise in RLFamiliarity with algorithms like:Q-learning, SARSADeep Q-Networks (DQN)Policy Gradient methods (REINFO

Senior Data Scientist (100% Remote): Pharma & Claims Data Expert (Contract-to-Hire)

Rower

Remote

Contract

Rower is hiring a Full-Time Data Scientist with deep experience in the pharmaceutical space and a proven track record working with healthcare claims data. This is a contract-to-hire role, ideal for someone who can hit the ground running and wants to grow into a long-term strategic position on high-impact projects. What We re Looking For: 8+ years of hands-on experience in data science, analytics, or statistical modeling Deep pharma domain knowledge including commercial analytics, market access,

Senior Data Scientist - Risk Prediction

CVS Health

Remote or New York, New York, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Senior Data Scientist (Remote)

RTX Corporation

Remote or Connecticut, USA

Full-time

Date Posted: 2025-07-30 Country: United States of America Location: PW208: Connecticut Remote Remote Location , Remote City, CT, 06035 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight - designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're seeking the people to dri

Sr. Data Scientist - Pricing

McKesson Corporation

Remote or Richmond, Virginia, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

Senior Data Scientist (Risk & Compliance)

Eliassen Group

Anywhere, US

Contract

Description: **100% Remote** Our client, an industry leader in financial services and money transfers, has an excellent opportunity for a Senior Data Scientist (Risk & Compliance) to work on a 6+ month contract opportunity. Work will be remote, candidates local to Denver preferred. The Senior Data Scientist will manage the entire lifecycle of data science projects, from conception to deployment, while also mentoring junior team members and collaborating with other departments. You are responsi

Sr. Data Scientist - Operations Research (Minneapolis Preferred, Remote Eligible)

General Mills

Remote or Minneapolis, Minnesota, USA

Full-time

JOB OVERVIEW: Do you see patterns or opportunities that others don't see? Do you enjoy asking questions and analyzing data to deepen your knowledge? Do you like to challenge historical assumptions and recommend new ways to drive action based on data-driven insights? Do you like to find the best way to tackle a problem and share the approach with others? To make the food people love, we need to make sure we feed our decision makers the right data and solutions at the right time, every time. As a