OptiTalent · Job Finder
Science jobs in California, United States
886 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
Science jobs in California at a glance
- Open roles
- 886
- Remote
- 7%
- Posted in the last 30 days
- 235
- Advertised pay, middle half
- $126K – $300Kmedian $190K
From the 708 science jobs here that state yearly pay in USD: the top of each advertised range. Updated nightly.
Hiring most here
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801–820 of 886 jobs
Senior Research Scientist
11 months agoSciforium · San Francisco, California, United States
On-siteFull-timeSenior$190K – $250K a yearScience & researchSciforium is seeking an exceptional Senior Research Scientist specializing in advanced AI/ML to push the boundaries of scientific and engineering innovation. In this role, you will lead cutting-edge research initiatives in large language models, generative media, model…
Research Scientist
11 months agoHorizon Robotics · Cupertino, California, United States
HybridFull-time$150K – $300K a yearScience & researchHorizon Robotics (HKEX: 9660) is a leading provider of Smart Driving solutions for passenger vehicles, empowered by our proprietary software and hardware technologies. Our solutions combine cutting-edge algorithms, purpose-built software and processing hardware, providing the…
Scientist II
12 months agoMultiply Labs · San Francisco, California, United States
On-siteFull-timeMid level$115K – $135K a yearScience & researchWe are seeking a highly motivated scientist who will contribute significantly to the advancement and validation of our automated processes. This role primarily involves hands-on laboratory work, where you will directly contribute to improving the efficiency, accuracy, and…
RoboForce · Milpitas, California, United States
Lead / staff$200K – $360K a yearScience & researchDesign and deploy vision-language(-action) models (VLM/VLA) for contextual understanding and generalized robot action policies.; Develop and train world models for action-conditioned prediction, long-horizon planning, and environment simulation — enabling robots to reason about…
Research Scientist, Interpretability
12 months agoAnthropic · San Francisco, California, United States
On-site$350K – $850K a yearScience & researchWhen you see what modern language models are capable of, do you wonder, "How do these things work? How can we trust them?"
Anthropic · San Francisco, California, United States
On-siteManager$350K – $500K a yearScience & researchWhen you see what modern language models are capable of, do you wonder, "How do these things work? How can we trust them?"
Research Scientist
12 months agoLinkup · San Francisco, California, United States
Full-timeScience & researchWe’re looking for a top‑tier Research Scientist to join our tech team.
Research Fellowship - Open Endedness
12 months agoVmax AI Corp · San Francisco, California, United States
HybridFull-timeScience & researchA core focus of ours is agents that can learn to find their own objectives in the world. We are looking for researchers to design and build new ways of using RL where the formulation of rewards and tasks need to be discovered, rather than given.
Research Fellowship - Open Endedness
12 months agoVmax · San Francisco, California, United States
HybridScience & researchA core focus of ours is agents that can learn to find their own objectives in the world. We are looking for researchers to design and build new ways of using RL where the formulation of rewards and tasks need to be discovered, rather than given.
Scientist, Biological Sciences
12 months agoAltos Labs · San Diego, California, United States
$116.5K – $157.6K a yearScience & researchEngage in ground-breaking and innovative science.; Support and manage internal/external collaborations in one or more multidisciplinary projects to accelerate essential research activities.; Study the mechanistic basis of cell programming for health and rejuvenation.;…
Research Scientist
12 months agoSnorkel AI · New York, United States +2
Hybrid$200K – $375K a yearScience & researchDesign, implement, and validate novel AI techniques for data development such as synthetic data generation, utilizing techniques such as LLM as a Judge; Prototype and build end-to-end workflows, integrating research ideas into scalable systems.; Write high-quality, maintainable…
Senior Research Scientist, Model Evaluation
12 months agoCohere · Toronto, Ontario, Canada +5
HybridFull-timeSeniorCA$250K – CA$535K a yearScience & researchEvaluation is critical to making progress in scaling intelligence. As models continue to become superhuman in many real-world use cases, we must continue to develop new evaluation techniques that accurately reflect what models are already capable of, as well as set the agenda…
Researcher, Post Training
12 months agoCartesia · San Francisco, California, United States
On-siteFull-time$180K – $350K a yearScience & researchThe next leap in model intelligence won’t come from scale alone — it will come from better post-training and alignment. Cartesia’s Post-Training team is developing the methods and systems that make multimodal models truly adaptive, aligned, and grounded in human intent.
Researcher, Evals
12 months agoCartesia · San Francisco, California, United States
On-siteFull-time$220K – $350K a yearScience & researchThe New Horizons Evaluations team is reimagining how we measure progress in interactive machine intelligence. As Evaluations Lead, you will design evaluation frameworks that capture not just what models know — but how they reason, remember, and interact over time. You’ll work…
Research, Evals
12 months agoExa · San Francisco, California, United States
On-siteFull-time$180K – $350K a yearScience & researchExa is an applied AI lab building a search engine unlike the world has ever seen. We build massive-scale infra to crawl the entire web, train state-of-the-art embedding models to process it, and design super high performant vector databases to retrieve over it. We now power…
Eikon Research Talent Community
12 months agoEikon Therapeutics · Millbrae, California, United States +1
Science & researchEikon Therapeutics is a new biopharmaceutical company employing revolutionary technology at the intersection of chemistry, engineering, computation, and biology to discover novel treatments for life-threatening diseases. Eikon’s discovery platform is built on groundbreaking…
Locum Biomedical Scientist in Histology - Lancaster
12 months agoPulse Healthcare · Lancaster, California, United States
Temporary£25.00 – £27.00 an hourScience & researchYou will process and embed tissue samples, perform microtomy, and stain slides for microscopic examination. You will support pathologists in diagnostic reporting.
Principal Scientist I / II, Medicinal Chemistry
13 months agoSchrödinger · New York, United States +1
Lead / staff$150K – $200K a yearScience & researchA passionate scientist with a robust background in structure-based drug design; A team player skilled at working in a dynamic, multidisciplinary environment; An excellent communicator and presenter; A dedicated collaborator who enjoys working with geographically distributed teams
Research Scientist
13 months agoSimular · Palo Alto, California, United States +1
On-siteFull-timeScience & researchWhere multiple locations are listed for this role, the position may be based in any of those locations, with priority determined according to the order of listing.
Member of Technical Staff - Pre-Training
13 months agoReflection · San Francisco, California, United States +2
On-siteFull-timeLead / staffScience & researchResearch and build solutions across algorithms, scaling laws, data processing, optimizers, and model architecture.; Design and run scientific experiments to advance our understanding of scaling large language models and data efficiency.; Implement state-of-the-art methods from…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.