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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1–20 of 886 jobs
Lab & Integration Lead
YesterdayAnduril Industries · Costa Mesa, California, United States
Full-timeLead / staff$191K – $254K a yearScience & researchPlatform Engineering & Integration (PEI) is the Chief Engineering integration function that brings strong subsystems together into a deployable platform. PEI owns the seams: platform architecture coherence, cross-domain interfaces, integration risk, verification strategy,…
Applied Researcher
YesterdayRiver AI Inc. · Palo Alto, California, United States
$200K – $420K a yearScience & researchWe are looking for exceptional applied researchers to work directly with customers across industries to train and improve their own models. Your goal is to translate real-world problems, domain expertise, and customer data into models that deliver measurable value in their…
LatchBio · San Francisco, California, United States
On-siteFull-timeMid level$140K – $180K a yearScience & researchYou will contribute to our technical approach for evaluating how AI agents can help diagnose, treat, conduct research and perform target discovery in rare and progressive disease. Working with scientists, physician-scientists, software engineers and computational biologists,…
Young Investigator, FlexOlmo
YesterdayThe Allen Institute for Artificial Intelligence · Berkeley, California, United States
RemoteFrom $159.7K a yearScience & researchAi2 is seeking talented and motivated Postdoctoral Young Investigator to join the FlexOlmo team, working on a series of large language models designed for flexible data use, with a focus on Mixture-of-Experts (MoE), long-context language models (LCLMs), and retrieval.…
Embryologist
YesterdaySpring Fertility · Sunnyvale, California, United States
Full-timeMid levelScience & researchThis position is responsible for performing high quality IVF laboratory medical procedures. The embryologist consults and advises other staff groups/members regarding IVF laboratory procedures and outcomes, and human assisted reproductive techniques (ART). The embryologist…
QC Lab Manager
2 days agoSila · Alameda, California, United States
Full-time$114K – $145K a yearScience & researchOperational & People Leadership: Lead, recruit, onboard, and retain skilled laboratory technicians; drive a culture of safety, continuous improvement, set clear KPIs, provide regular performance feedback, and allocate resources to meet fluctuating production volumes.; Daily Lab…
Senior Electrolyte Scientist
2 days agoBlue Current · Hayward, California, United States
Senior$111.6K – $160K a yearScience & researchThe Senior Electrolyte Scientist is a key individual contributor who can work within complex team environments, driving mission critical projects that impact annual company milestones. The Senior Electrolyte Scientist has deep knowledge in battery electrolyte performance and…
Sustainable Talent · Santa Clara, California, United States
Full-timeFrom $30.00 an hourScience & researchSustainable Talent is partnering with NVIDIA, a global leader that has been transforming computer graphics, PC gaming, and accelerated computing for over 25 years. We are looking for a Robotics Lab Technician to support our client’s lab operations team. This is a full-time…
People Research Scientist
2 days agoCrusoe · San Francisco, California, United States +1
On-siteFull-timeScience & researchWe're looking for a People Research Scientist to join our People Science and Workforce Intelligence team. You'll be the research lead for the wider People organization bringing scientific rigor to the questions that matter most as Crusoe scales: how well do we hire, what makes…
Sustainable Talent · Santa Clara, California, United States
Full-timeFrom $30.00 an hourScience & researchSustainable Talent is proud to be an equal opportunity employer. We are committed to building a diverse and inclusive workforce and welcome applicants from all backgrounds, experiences, and perspectives.
AI Biologist - Genetic Medicines
3 days agoLatchBio · San Francisco, California, United States
On-siteFull-timeMid level$140K – $180K a yearScience & researchYou will contribute to our technical approach for evaluating agent performance at reasoning across the genetic medicines pipeline – gene therapy, gene editing, and RNA therapeutics from target validation and drug discovery to clinical development.
Chai Discovery · San Francisco, California, United States
On-siteFull-timeScience & researchWe are hiring research scientists to work on foundation model pre-training. Our models learn the foundations of molecular structure and interaction, and their success depends on carefully designed architectural components, training objectives, and data mixes.
Research Scientist, Applied Research
3 days agoChai Discovery · San Francisco, California, United States
Full-timeScience & researchWe are hiring research scientists to improve the real-world performance of our foundation models. The work involves planning targeted data generation campaigns, designing evals that accurately measure model performance, and formulating post-training recipes aimed at making…
Hardware Test Technician - Lab Manager
3 days agoLife360 · Fremont, California, United States
Remote$115K – $135K a yearScience & researchThe Devices team at Life360 is responsible for building the connected hardware experiences that bring families closer to the people, pets, and things they care about. As we grow our ecosystem with first-party and third-party hardware, we are investing in expanding the…
Plasmidsaurus · San Francisco, California, United States
HybridFull-time$170K – $185K a yearScience & researchWe are now looking to combine our deep experimental expertise with robotics and emerging AI tools to rethink how biology experiments are performed and push the boundaries of knowledge generation. You will be developing new scientific capabilities to explore more questions, test…
AI research scientist
3 days agoWRITER · San Francisco, California, United States +2
HybridFull-timeSenior$199K – $325K a yearScience & researchAI research at WRITER isn't just about publishing papers — it's about building the scientific foundation that powers some of the most ambitious enterprise AI deployments in the world. As an AI research scientist, you'll be at the center of that work. You'll drive a high-impact…
Human Archive · San Francisco, California, United States
Full-time$25.00 – $50.00 an hourScience & researchWe’re running a research study in our SF office and need someone to manage the day to day operations behind it. It is one of the best opportunities to get hands-on experience at frontier of physical AI/robotics. You will work directly with our research ends and cofounders and…
Scientist II
3 days ago4D Molecular Therapeutics · Emeryville, California, United States
Mid level$140K – $155K a yearScience & researchThis Scientist II role is in the Biomarkers & Immunology department and supports biomarker measurements, and clinical pharmacology deliverables by developing novel bioanalytical methods and providing analysis and interpretation of key bioanalytical datasets. Working closely…
California State University · San Francisco, California, United States
Lead / staff$6,382.00 – $6,773.00 a monthScience & researchUnder the general direction of the Associate Dean of Graduate Studies & Career Development, the Project Lead provides strategic leadership and day-to-day management of the federally funded Strengthening Institutions Program (SIP). The incumbent leads implementation of the…
Scientist, Genomics and Cancer Biology
3 days agoNatera · San Carlos, California, United States
RemoteEntry level$101.4K – $126.7K a yearScience & researchWe are seeking a Scientist to drive multimodal genomics experiments supporting external BioPharma
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.