Data science jobs in california

Menlo Park, California

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Today

About Moloco: Moloco builds some of the most powerful AI advertising solutions in the world. Our name-short for "machine learning company"-reflects our core mission: democratizing access to the advanced AI that has historically been reserved for tech giants. Led by machine learning pioneers who built some of the most successful ad systems at Google, including YouTube's monetization engine and key search advertising technologies, we're transforming how businesses grow and compete in the digital

Full-time

USD 148,000.00 - 180,000.00 per year

Data Scientist - Mobile

San Jose, California

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Today

The Opportunity Digital Media Data Science and Analytics team is looking for a seasoned Data Scientist to drive the rapid growing mobile business. This is a hybrid role of data science and strategy. In this role, you will demonstrate your data science skill and machine learning techniques to generate actionable data-driven recommendations to empower mobile business across full funnel of customer journey (acquisition, monetization, engagement and retention) The ideal candidate will be a 'self-

Full-time

USD 109,000.00 per year

Systems Engineering Manager

Seal Beach, California

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Today

Systems Engineering Manager Company: The Boeing Company Boeing Space Mission Systems (SMS) Experimental Systems Group (ESG) is seeking a highly skilled professional to serve as a Systems Engineering Manager (Level K) to join our team in one of the following locations: Seal Beach, CAEl Segundo, CAColorado Springs, CO Our multi-disciplinary team focuses on rapid development to demonstrate a host of next-generation, mission-focused technologies, products and services for a variety of customers. O

Full-time

USD 141,100.00 - 204,700.00 per year

Optimization Data Analyst

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

Data Scientist, Trust & Safety

Foster City, California

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2d ago

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. About the Role We're redefining how software is built and who gets to build it. Our mission is to achieve Autonomy for All: making programming accessible, collaborative, and powered by AI. Realizing that vision requires a platform that legitimate

Full-time

USD 210,000.00 - 310,000.00 per year

AI & Data Architect - Trust and Safety

San Jose, California

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Today

Responsibilities The AI & Data Architect will define the AI and data foundation that enables Trust & Safety (T&S) to scale decision intelligence, automation, and operational excellence. This role will bridge AI, data, product, engineering, and safety teams to translate complex safety challenges into scalable solutions. The architect will shape technical strategy, establish reusable architecture patterns, and enable responsible adoption of AI across T&S. Responsibilities: Define AI & Data Archit

Full-time

USD 219,000.00 - 408,000.00 per year

Engagement Manager, AI Solutions - Federal

Remote

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Today

About Snorkel At Snorkel, we believe meaningful AI doesn't start with the model, it starts with the data. We're on a mission to help enterprises transform expert knowledge into specialized AI at scale. The AI landscape has gone through incredible changes since 2015, when Snorkel started as a research project in the Stanford AI Lab, to the generative AI breakthroughs of today. But one thing has remained constant: the data you use to build AI is the key to achieving differentiation, high perform

Full-time

USD 150,000.00 - 250,000.00 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

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

Technology Lead, Agentic AI and R&D (Bay Area or Remote)

Remote or San Jose, California

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Today

Work Location: San Jose, California Shift: No Department: EL-CT-S Materials AI Recruiter: Anthony Melino This information is for internals only. Please do not share outside of the organization. Location: San Jose, California | Remote Flexibility Available Your Role You will be the technical cornerstone of a high-impact, multi-agent platform that powers AI-amplified research and development. In this pivotal role, you will own the architecture and evolution of a production-grade agentic system

Full-time

USD 119,300.00 - 178,900.00 per year

(USA) Senior, Data Scientist

Sunnyvale, California

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Today

Position Summary What you'll do Role summary: The Senior Data Scientist leads the development of advanced machine learning solutions that power Search relevance, Personalization, and customer discovery experiences. This role independently drives complex modeling initiatives, partners across cross-functional teams, and delivers production-scale AI solutions that improve customer experience and business performance. About the team: The Applied AI Search & Personalization team develops scalable A

Full-time

USD 117,000.00 - 234,000.00 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

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

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

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 Growth Data Engineer

San Mateo, California

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Today

Full-time

USD 243,290.00 - 295,250.00 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

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

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

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 science jobs in California, USA