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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141–160 of 886 jobs
Member of Research Staff (Req 0011)
2 weeks agoEpisteme, Inc. · San Francisco, California, United States
Lead / staff$120K – $140K a yearScience & researchEstablish, characterize, and maintain preclinical disease models; document reproducibility and variability; Design and run in vivo studies of immune-targeted interventions with appropriate controls; Profile immune populations and inflammatory state using flow cytometry,…
Research Analyst
2 weeks agoCalifornia State University · Los Angeles, California, United States
$4,799.00 – $6,992.00 a monthScience & researchSalary Range: $4,799 - $6,992/Monthly (Budgeted Hiring Salary Range: $5,967 - $6,459/Monthly)
Sustainable Talent · Santa Clara, California, United States
Full-timeSeniorFrom $20.00 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 now looking for a Logistics Specialist to support Nvidia's System Products Team.
Quantum-AI Postdoctoral Fellow
2 weeks agoSygaldry Technologies · San Francisco, California, United States
On-siteFull-timeLead / staff$125K – $145K a yearScience & researchLocation: Full-Time On-Site in Ann Arbor, MI or San Francisco, CA offices
AI Biologist - Biologics Development
2 weeks agoLatchBio · San Francisco, California, United States
RemoteFull-time$140K – $180K a yearScience & researchLatch builds rigorous scientific benchmarks (benchmarks.bio) for AI agents across biology. We work with frontier labs and pharma to measure whether agents can handle real biological workflows: the messy, multi-layer reasoning that matters in the field.
Mercor · San Francisco, California, United States +3
On-siteTemporaryFrom $5.00 an hourScience & researchMercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models.…
Research, Tinker, RL Systems
2 weeks agoThinking Machines Lab · San Francisco, California, United States
On-siteFull-time$350K – $475K a yearScience & researchTinker is our fine-tuning API that empowers researchers and developers to customize frontier AI to their needs to open access to capabilities that have previously been concentrated in a handful of labs. We manage the infrastructure while allowing Tinkerers full flexibility in…
Agent Post-Training, Computer Use Research
2 weeks agoOpenAI · San Francisco, California, United States
Full-time$380K – $500K a yearScience & researchThe Agent Post-Training team creates the frontier agents OpenAI ships to the world. We are training the models behind our agents in Codex, ChatGPT, the API, and other frontier products: persistent, proactive intelligence that can operate computers, collaborate with people and…
Cartesia · San Francisco, California, United States
On-siteFull-timeManager$160K – $225K a yearScience & researchWe're looking for a Product and Research Operations Manager to run the operational backbone of Cartesia's Voice function - supporting voice production for customers, talent sourcing and logistics, and voice delivery for Go-To-Market and Customer Success. You'll work directly…
FieldAI · Irvine, California, United States
On-siteScience & researchFieldAI’s Irvine team is where embodied AI meets real robots, real sensors, and real field deployments. Based in the heart of Southern California’s robotics ecosystem, we build risk-aware, reliable, field-ready AI systems that solve the hardest problems in robotics and unlock…
Thermal Lab Lead
2 weeks agoEtched · San Jose, California, United States
On-siteFull-timeLead / staffFrom $2,500.00 a monthScience & researchWe are seeking a highly motivated person to join our team as Thermal Lab Lead where you will help build and maintain a world class thermal lab to support the testing of all the thermal assemblies of our high-performance data center products. You will play a key role in the…
Research Scientist (post-training)
2 weeks agoGenmo · San Francisco, California, United States
Full-timeScience & researchWe are seeking an exceptional Research Scientist to join our team, focusing on alignment and post-training techniques for large-scale video generation models. In this role, you will be at the forefront of ensuring our diffusion-based video models reliably produce high-quality,…
Research Scientist (diffusion)
2 weeks agoGenmo · San Francisco, California, United States
Full-timeScience & researchWe are seeking an exceptional Research Scientist to join our team, focusing on developing cutting-edge diffusion models for text-to-video generation. In this role, you will be at the forefront of innovation, creating novel architectures and algorithms that transform written…
Applied Researcher - Scientific AI
2 weeks agoPrime Intellect · San Francisco, California, United States +4
RemoteFull-time$150K – $300K a yearScience & researchYou will build and post-train agents for scientific research: searching literature, writing and running code, using domain tools, and choosing the next experiment. The work spans autonomous research and computational science, with environments and evaluations built around…
Senior Scientist II, Process Chemistry
2 weeks agoRevolution Medicines · Redwood City, California, United States
Senior$170K – $212K a yearScience & researchWe are seeking an advanced career scientist with a passion for process chemistry. You will be a hands-on experimentalist leading scientific investigations, coordinating cross-disciplinary decisions, and solving critical problems affecting process transfer and clinical supply.…
Scientist II, Process Chemistry
2 weeks agoRevolution Medicines · Redwood City, California, United States
Mid level$132K – $166K a yearScience & researchWe are seeking a gifted experimentalist to join our team as a laboratory-based process chemist to own development workstreams for a small-molecule drug substance. You will independently design and execute experiments, solve complex chemistry problems, and develop robust…
Applied Researcher - Sovereign AI
2 weeks agoPrime Intellect · San Francisco, California, United States +3
RemoteFull-time$150K – $300K a yearScience & researchNational institutions, public-sector organizations, and regulated industries need capable models and agents that operate within strict boundaries around data, deployment, access, auditability, and human authority. They also need the ability to improve those systems on their own…
Applied Researcher - Robotics
2 weeks agoPrime Intellect · San Francisco, California, United States +3
RemoteFull-time$150K – $300K a yearScience & researchYou will build environments, evaluations, agent systems, and post-training methods with an external robotics team. You will train and evaluate agents with reinforcement learning, world modeling, imitation learning, planning, and multimodal perception, using feedback from…
Applied Researcher - Forward-Deployed RL
2 weeks agoPrime Intellect · San Francisco, California, United States +3
RemoteFull-time$150K – $300K a yearScience & researchYou will own applied RL programs from the first ambiguous customer problem through a deployed improvement loop. You will understand the workflow and business stakes, decide what can be measured and learned, build the environment and evaluation, run post-training experiments,…
Applied Researcher - Continual Learning
2 weeks agoPrime Intellect · San Francisco, California, United States +3
RemoteFull-time$150K – $300K a yearScience & researchYou will build continual learning systems that turn agent trajectories, corrections, and failures into new tasks and model updates. You will compare streaming RL, batched post-training, and distillation, and determine which improvements belong in model weights or persistent…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.