OptiTalent · Job Finder
Data jobs in California, United States
2,472 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
Data jobs in California at a glance
- Open roles
- 2,472
- Remote
- 10%
- Posted in the last 30 days
- 519
- Advertised pay, middle half
- $200K – $310Kmedian $250K
From the 2,064 data jobs here that state yearly pay in USD: the top of each advertised range. Updated nightly.
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1,981–2,000 of 2,472 jobs
Software Engineer - AI Engineering
7 months agoApplied Intuition · Sunnyvale, California, United States
On-siteFull-timeMid level$126K – $250K a yearData & AIWe are looking for an AI engineer to join a small, high-impact team building the AI capabilities, agent frameworks, and app platform that power every Applied product and the workflows our own engineers rely on daily. This is a 0 to 1 role with real customer demand already…
Mercor · San Francisco, California, United States
On-siteFull-time$180K – $500K a yearData & AIAs a Research Engineer at Mercor, you’ll work at the intersection of engineering and applied AI research. You’ll contribute directly to post-training and RLVR, synthetic data generation, and large-scale evaluation workflows that meaningfully impact frontier language models.
Roblox · San Mateo, California, United States
Full-timeLead / staff$345K – $399.4K a yearData & AIEvery 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.
Member of Technical Staff, Multimodal Speech
7 months agoHark · San Jose, California, United States
Lead / staff$180K – $450K a yearData & AIThe Omni team at Hark is building the next generation of AI experiences beyond text, enabling models to understand and generate content across multiple modalities, including text, audio. Our goal is to create seamless, real-time multimodal intelligence that powers intuitive and…
Member of Technical Staff, Pretraining
7 months agoHark · San Jose, California, United States
Lead / staff$180K – $450K a yearData & AIThe Omni team at Hark is building the next generation of AI experiences beyond text, enabling models to understand and generate content across multiple modalities, including text, audio, and vision. Our goal is to create seamless, real-time multimodal intelligence that powers…
Hark · San Jose, California, United States
Lead / staff$180K – $450K a yearData & AIThe Omni team at Hark is building the next generation of AI experiences beyond text, enabling models to understand and generate content across multiple modalities, including text, audio, and vision. Our goal is to create seamless, real-time multimodal intelligence that powers…
Software Engineer, Infra/Data
7 months agoSazabi · San Francisco, California, United States +2
On-siteFull-timeData & AIIn 2026, we're on the verge of an "infinite software crisis." How will we support, maintain, and operate the explosion in application development?
Member of Technical Staff, Multimodal
7 months agoHark · San Jose, California, United States
Lead / staff$180K – $450K a yearData & AIThe Omni team at Hark is building the next generation of AI experiences beyond text, enabling models to understand and generate content across multiple modalities, including text, and vision. Our goal is to create seamless, real-time multimodal intelligence that powers…
Member of Technical Staff, Multimodal Vision
7 months agoHark · San Jose, California, United States
Lead / staff$180K – $450K a yearData & AIThe Omni team at Hark is building the next generation of AI experiences beyond text, enabling models to understand and generate content across multiple modalities, including text, and vision. Our goal is to create seamless, real-time multimodal intelligence that powers…
Data Scientist, Growth
7 months agoAnthropic · New York, United States +2
On-siteSenior$285K – $380K a yearData & AIThe Growth team's job is to keep Anthropic on the exponential by getting more people and companies using and paying for Claude. Growth Data Scientists partner closely with growth product managers, engineers and marketers on experimentation, opportunity sizing, strategic…
Founding Machine Learning Scientist
7 months agoTabula Bio · San Francisco, California, United States
On-siteFull-timeData & AIWe are hiring a Founding ML Scientist to help build the machine learning core of the company.
Data Scientist, Underwriting
7 months agoParafin · San Francisco, California, United States
HybridFull-time$200K – $260K a yearData & AISmall businesses are the backbone of our economy, but traditional banks often don’t have their backs. We build tech that makes it simple for small businesses to access the financial tools they need through the platforms they already sell on.
Senior Machine Learning Engineer
7 months agothatgamecompany · Los Angeles, California, United States
RemoteFull-timeSenior$120K – $205.7K a yearData & AIWe are seeking a highly motivated and autonomous Senior Machine Learning Engineer to join our team. In this role, you will be a driving force behind our core ML models and underlying data and training pipelines. We are looking for a self-starter, someone who is internally…
Research Scientist, AI Safety and Alignment
7 months agoScale AI · San Francisco, California, United States +1
$259.2K – $324K a yearData & AIAs the leading data and evaluation partner for frontier AI companies, Scale plays a central role in understanding and safeguarding AI systems. Building on this expertise, Scale Labs has launched a new team focused on technical AI safety and policy research, to bridge the gap…
Senior Data Scientist (US)
7 months agoLynx Analytics · New York, United States +2
SeniorData & AIWe are looking for a Senior Data Scientist to lead complex data science engagements that combine traditional statistical modelling with Generative AI. You will work hands-on with very large datasets across disparate systems and formats, translate ambiguous business problems…
Waymo · Mountain View, California, United States
Lead / staff$251K – $310K a yearData & AIWaymo is an autonomous driving technology company with the mission to be the world's most trusted driver. Since its start as the Google Self-Driving Car Project in 2009, Waymo has focused on building the Waymo Driver—The World's Most Experienced Driver™—to improve access to…
AI Engineer
7 months agoHockeyStack · San Francisco, California, United States
On-siteFull-time$180K – $220K a yearData & AIHockeyStack is building the agent infrastructure for enterprise revenue. We spent five years building the only data architecture that preserves causality across the full revenue stack — every interaction, every signal, in sequence. On top of that foundation, we built Nex-lm, a…
Data Engineer
7 months agoBaseten · San Francisco, California, United States +1
HybridFull-time$180K – $250K a yearData & AIWe’re hiring a Data Engineer to build and scale Baseten’s internal data platform. This role sits at the intersection of data engineering, analytics, and data science, transforming raw product and business data into reliable datasets that power decision-making.
Senior Data Engineer
7 months agoRZR Global Inc. · San Francisco, California, United States
SeniorData & AIRZR Global is seeking a talented Data Engineer to join our growing engineering team. This role is ideal for an engineer with a strong background in building and operating large-scale, high-performance data pipelines. As a Data Engineer, you will design, develop, and maintain…
Principal Engineer, AI/ML Architecture - 11310
7 months agoCoupa Software, Inc. · Foster City, California, United States
HybridLead / staff$241K – $337.4K a yearData & AIDefine the architecture for model training, evaluation, and serving across Coupa's AI platform.; Evaluate and select model approaches (open-weight, commercial, and hybrid) against enterprise accuracy and cost requirements.; Design evaluation frameworks that measure model…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.