Data science jobs in California

San Francisco, California

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Today

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at sc

Full-time

USD 132,000.00 - 178,000.00 per year

Senior Machine Learning Engineer - Matching, Apple Ads

Cupertino, California

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Today

At Apple, we focus deeply on our customers' experience. Apple Ads brings this same approach to advertising, helping people find exactly what they're looking for and helping advertisers grow their businesses! Our technology powers ads and sponsorships across Apple Services, including the App Store, Apple News, and MLS Season Pass. Everything we do is designed for trust, connection, and impact: We respect user privacy, integrate advertising thoughtfully into the experience, and deliver value for

Full-time

Machine Learning Engineer, GAI Search Platform - Moveworks

Mountain View, California

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Today

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Full-time

USD 139,700.00 - 216,500.00 per year

Data Scientist

San Francisco, California

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Today

About Clay Our mission is to help organizations turn any growth idea into reality. We see growth as a creative practice, not a formula. Finding and reaching your best-fit customers takes unique ideas and constant iteration. As AI makes execution faster and tactics easier to copy, creativity is the only lasting advantage. We're already helping thousands of customers - including Anthropic, Notion, Google, and Ramp - go to market with unique data, signals, and AI research. In 2025, we raised a $

Full-time

USD 170,000.00 - 300,000.00 per year

Lead Engineer - Product Catalog Team

Remote

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Today

About Stitch Fix, Inc. Stitch Fix (NASDAQ: SFIX) Stitch Fix is redefining retail by combining human creativity with advanced data science and Generative AI. As we build the future of personalized shopping, we're equally committed to building yours. We believe in investing in our team as much as our technology. Join us to be a trendsetter in the industry and help us redefine what's possible for our clients, while we help you reach your full potential. About the Role As a Lead Engineer on the Pr

Full-time

USD 125,000.00 - 186,000.00 per year

SENIOR DATA SCIENTIST / EMERGENCY APPOINTMENT HOMELESSNESS

Los Angeles, California

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Today

Salary : $119,403.36 - $160,912.32 Annually Location : Los Angeles County, CA Job Type: Full time Job Number: PH1764C-EA Department: PUBLIC HEALTH Opening Date: 08/18/2026 Closing Date: Continuous Position/Program Information EXAM NUMBER: PH1764C-EA TYPE OF RECRUITMENT: OPEN COMPETITIVE - EMERGENCY FIRST DAY OF FILING: The application filing period will begin on Wednesday, August 19, 2026 at 8:30 a.m., (PT) - Continuous. We will keep accepting applications until the position is filled. The app

Full-time

USD 119,403.36 - 160,912.32 per year

Senior Staff GenAI Engineer

Sunnyvale, California

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Today

Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At Cepheid, one of Danaher's 15+ operating companies, our work saves lives-and we're all united by a shared commitment to innovate for tangible impact. You'll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher's system of continuous improvement, you help turn ideas into impact - innovating at the speed

Full-time

USD 200,000.00 - 235,000.00 per year

Director- Applied AI & Machine Learning (SME)

Remote

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Today

Are you looking for a role that motivates and challenges you? Are you ready for an opportunity for growth? Do you want to work on teams where people roll up their sleeves to take on tough problems together, and regularly blow the doors off our clients with their outstanding teamwork? If you answered yes to those questions, 3Cloud might just be for you! At 3Cloud, we hire people who aren't afraid to experiment or fail. We hire people who are willing to give direct and candid feedback to their ma

Full-time

USD 168,400.00 - 252,600.00 per year

Senior Machine Learning Engineering Manager, Safety AI Systems

San Mateo, California

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Today

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

Full-time

USD 295,250.00 - 345,040.00 per year

Data Engineer Graduate (Monetization Data) - 2027 Start

San Jose, California

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Today

Responsibilities The Monetization Data team builds the data foundation that powers TikTok's global advertising and monetization products. We design and operate large-scale batch and real-time data pipelines, data warehouses, and analytics platforms that help improve advertiser experience, measure business performance, support experimentation, and drive product and strategy decisions. We are looking for talented individuals to join our team. As a graduate, you will get opportunities to pursue bo

Full-time

USD 128,000.00 - 256,000.00 per year

Spacecraft Propulsion Engineer (Entry-Level) - Millennium Space Systems

El Segundo, California

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Today

Spacecraft Propulsion Engineer (Entry-Level) - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because w

Full-time

USD 79,050.00 - 116,250.00 per year

Quant Engineer

San Francisco, California

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Today

Quant Engineer role in San Francisco with a Series A FinTech startup This Jobot Job is hosted by: Brandon Bays Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $300,000 - $375,000 per year A bit about us: Quant Engineer Location: San Francisco, CA Work Model: Four days per week in office Compensation: $300,000-$375,000 About Us We are an early-stage financial technology company building data, pricing, and research infrastructure for the p

Full-time

USD 300,000.00 - 375,000.00 per year

Data Scientist III

Remote or Dayton, Ohio

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Today

Job Summary: The Data Scientist is responsible for designing and validating predictive models, machine learning models, and artificial intelligence that inform and improve business processes across the organization (operational, clinical, financial, marketing, etc.). Essential Functions: Create, maintain, and communicate analytical plan for each projectBalance progress in multiple concurrent projectsPresent models and analyses to managementMentor new and developing junior Data ScientistsMine

Full-time

USD 94,100.00 - 164,800.00 per year

Senior Growth Data Engineer

San Mateo, California

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Today

Full-time

USD 243,290.00 - 295,250.00 per year

Staff Data Scientist

Remote

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Today

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. As a Staff Data Scientist, you'll lead the design and development of scalable ML systems for use cases such as menu recommendation, demand forecasting, offer targeting, and guest personalization. You will serve as a technical thought partner across teams, set best practices, and influence the roadmap for ML-dri

Full-time

USD 170,000.00 - 272,000.00 per year

Senior Data Engineer

Remote

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Today

Thumbtack helps millions of people confidently care for their homes. Thumbtack is the one app you need to take care of and improve your home - from personalized guidance to AI tools and a best-in-class hiring experience. Every day in every county of the U.S., people turn to Thumbtack to complete urgent repairs, seasonal maintenance and bigger improvements. We help homeowners know which projects to do, when to do them and who to hire from our growing community of 300,000 local service businesses

Full-time

USD 210,800.00 - 272,800.00 per year

Energy Engineer - BAS Integration

Remote

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Today

Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition. We are a trusted, full-service partner to public sector and government entities, K-12 schools, higher education, utilities, and healthcare customers across the U.S., Canada, the U.K., and Europe. At Ameresco, we show the way by developing, constructing and operating tailored smart energy efficiency solution

Full-time

USD 67,300.00 - 107,150.00 per year

Partner Development Director, Enterprise Technologies

Remote or New York, New York

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Today

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don't just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset - who ra

Full-time

USD 196,000.00 - 257,250.00 per year

Data Scientist Supervisor

Alhambra, California

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Today

Salary Range: $9,852.82 - $13,278.10 Monthly SUMMARY The Data & Analytics Unit is responsible for collecting, analyzing, and interpreting healthcare data to support decision-making across the Los Angeles County Department of Health Services (DHS). The unit manages patient care and operational data, using analytics to identify patterns, predict outcomes, and improve service delivery. The unit also ensures data integrity, security, and regulatory compliance. The Data Scientist Supervisor leads

Full-time

USD 9,852.82 - 13,278.10 per month

(USA) Senior Manager, Data Analytics - Marketplace Payments & Financial Services

Sunnyvale, California

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Today

Position Summary What you'll do This role will be a key member of the Marketplace Payments & Financial Services team, leading data analytics and measurement to improve the end-to-end payment experience for Marketplace Sellers. The Senior Manager will develop analytics, metrics, and insights across seller payment setup, payment processing, payouts, payment services, and financial services-related initiatives. The role will identify friction points across the seller payment journey, establish mea

Full-time

USD 117,000.00 - 234,000.00 per year

Data science jobs in California, USA