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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2,221–2,240 of 2,472 jobs
High-throughput data generation to advance ML design
12 months agoInceptive · Palo Alto, California, United States
Mid level$135K – $240K a yearData & AIAt Inceptive, you will drive development forward that could help billions of people. To accomplish this, you will be part of a collaborative, antedisciplinary team building our biological software.
Staff ML Research Scientist
12 months agoRad AI · San Francisco, California, United States +1
On-siteFull-timeLead / staff$190K – $265K a yearData & AIOwn end-to-end applied research: frame the problem, design experiments, ship to production, and monitor impact against real-world metrics.; Set technical direction across LLMs, retrieval, and multimodal; run ablations/error analysis that change product decisions.; Build…
Applied AI Researcher, System Discovery
12 months agoDistyl AI · San Francisco, California, United States +1
HybridFull-timeSenior$150K – $250K a yearData & AIAnalogous to hypothesis generation in the space of AI for scientific discovery, the System Discovery team focuses on identifying entirely new classes of AI systems. Researchers explore a wide range of architectures, modalities, and compositions to uncover how AI can most…
Applied AI Researcher, System Self-Construction
12 months agoDistyl AI · San Francisco, California, United States +1
HybridFull-time$150K – $250K a yearData & AIThe System Self-Construction team builds systems that can build other systems. Researchers design architectures capable of autonomously generating, assembling, and refining sub-systems. This involves developing meta-learning loops, automated pipeline generation, and…
Applied AI Researcher, System Self-Improvement
12 months agoDistyl AI · San Francisco, California, United States +1
HybridFull-timeSenior$150K – $250K a yearData & AIThe System Self-Improvement team builds architectures that continuously evaluate and enhance their own performance. Researchers design feedback-driven systems capable of detecting weaknesses, generating corrective hypotheses, and implementing their own improvements through…
Applied AI Researcher, AI Systems
12 months agoDistyl AI · San Francisco, California, United States +1
HybridFull-timeSenior$150K – $250K a yearData & AIThe AI Systems team focuses on designing compound, end-to-end architectures that orchestrate perception, reasoning, planning, and execution. Researchers integrate diverse components (LLMs, retrievers, evaluators, memory systems, and execution agents) into robust, scalable…
Applied AI Researcher, Post-Training
12 months agoDistyl AI · San Francisco, California, United States +1
HybridFull-timeSenior$150K – $250K a yearData & AIThe Post-Training team focuses on adapting foundation models to real-world performance and alignment requirements. Researchers develop and evaluate techniques such as supervised fine-tuning, preference optimization (DPO, RLHF, RLAIF), and continual adaptation to align models…
Applied AI Researcher, Benchmarking
12 months agoDistyl AI · San Francisco, California, United States +1
HybridFull-timeSenior$150K – $250K a yearData & AIThe Benchmarking team defines how progress is measured. Researchers design evaluation frameworks that capture reasoning depth, interaction quality, reliability, and operational impact. They construct benchmarks that reflect real-world complexity. Their systems become the…
Viant Technology · Irvine, California, United States +4
Director$225K – $275K a yearData & AIThe Machine Learning team at Viant builds the real-time decisioning systems that power programmatic advertising — models that predict, in milliseconds, whether an ad opportunity is worth bidding on, and systems that decide how much to bid, live, across billions of auctions.
Distinguished Engineer, Machine Learning - Economy
12 months agoRoblox · San Mateo, California, United States
Full-timeLead / staff$397.5K – $455.7K 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.
Senior Machine Learning Specialist
12 months agoHamster · San Francisco, California, United States +1
On-siteFull-timeSeniorData & AIDesign and develop custom machine learning models for specific business use cases.; Implement and optimize transformer architectures for natural language processing tasks.; Develop and maintain ML pipelines for data preprocessing, model training, and inference.; Work with large…
Senior Machine Learning Engineer, Fraud Detection
12 months agoCrunchyroll, LLC · Los Angeles, California, United States +1
HybridSenior$185K – $225K a yearData & AIIn the role of Senior Machine Learning Engineer, you will report to the Director of Data Science and Machine Learning in the Center for Data and Insights, working from Los Angeles or San Francisco area in California.
Tech Lead Manager- MLRE, ML Systems
13 months agoScale AI · San Francisco, California, United States +1
Lead / staff$290.4K – $363K a yearData & AIScale's LLM post-training platform team builds our internal distributed framework for large language model training. The platform powers MLEs, researchers, data scientists, and operators for fast and automatic training and evaluation of LLMs. It also serves as the underlying…
AI / ML Engineer - Known
13 months agoPear VC · San Francisco, California, United States
On-siteFull-timeMid levelData & AIYou’ll be the technical founder driving the machine learning and AI backbone behind Known — an intelligent, compatibility-driven dating platform that blends psychology, data, and human-like conversation. You’ll design and ship the systems that make Known feel magical:…
ML/Research Engineer, Safeguards
13 months agoAnthropic · San Francisco, California, United States +1
On-site$350K – $500K a yearData & AIWe are looking for ML Engineers and Research Engineers to help detect and mitigate misuse of our AI systems. As a member of the Safeguards ML team, you will build systems that identify harmful use—from individual policy violations to sophisticated, coordinated attacks—and…
Senior GTM Strategy and Analytics Manager
13 months agoAppZen, Inc. · Santa Clara, California, United States
On-siteFull-timeSenior$160K – $190K a yearData & AIRevenue Forecasting: Own and refine the company's strategic revenue forecast — integrating pipeline, conversion, and productivity metrics to deliver accurate, actionable insights for leadership.; Financial & GTM Modeling: Build dynamic models to support capacity, coverage,…
Machine Learning Research Scientist
13 months agoSentra · San Francisco, California, United States
On-siteFull-timeSenior$120K – $300K a yearData & AISentra is building organizational superintelligence through memory infrastructure that reasons across time, causality, and context. As a Research Scientist, you will tackle fundamental problems in knowledge representation, temporal reasoning, and semantic compression. You will…
Member of Data Science Staff
13 months agoAbridge · San Francisco, California, United States
HybridFull-timeLead / staff$195K – $225K a yearData & AIOur generative AI-powered products are revolutionizing the practice of medicine, and we’re looking for a highly motivated Senior Data Scientist to join our growing US-based Data Science team. Your work will be instrumental in driving product strategy, directly influencing how…
Data Scientist: Growth & Marketing
13 months agoThatch · Austin, Texas, United States +3
Remote$190K – $250K a yearData & AIThatch is changing how health benefits work. We're building software that makes it easier for businesses to offer health coverage and gives employees more choice and control.
Waymo · Mountain View, California, United States +1
$175K – $215K 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…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.