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
See which of these roles fit you: OptiTalent Career reads each ad against your own record, on your computer. About OptiTalent Career →
721–740 of 886 jobs
Research Scientist
6 months agoDatologyAI · San Mateo, California, United States +1
HybridFull-timeMid level$180K – $300K a yearScience & researchModels are what they eat. But a large portion of training compute is wasted training on data that are already learned, irrelevant, or even harmful, leading to worse models that cost more to train and deploy.
Applied Scientist, Experimentation
6 months agoCoframe · San Francisco, California, United States
On-siteFull-time$180K – $300K a yearScience & researchAs an Applied Scientist focused on experimentation, you’ll build the intelligence that determines what to test, how to measure impact, and which experiences to ship. You’ll develop an opinionated yet flexible experimentation and analytics platform that powers decision-making…
NewLimit · South San Francisco, California, United States
Lead / staff$155K – $200K a yearScience & researchNewLimit is seeking a Senior/Principal Scientist with deep expertise in molecular biology and translational biomarker assay development. In this role, you will lead the discovery, development, and qualification of pharmacodynamic (PD) biomarker assays that characterize the…
Staff Scientist, Surface Chemistry
6 months agoElement Biosciences · San Diego, California, United States
Full-time$158K – $197K a yearScience & researchDesign, develop, and evaluate novel surface chemistry approaches to enable next-generation sequencing/multiomics applications; Design and evaluate novel surface chemistry solutions on microfluidic and lab-on-chip devices, with a strong understanding of how device geometry and…
Member of Research Staff
6 months agoThe Voleon Group · Berkeley, California, United States +2
HybridFull-timeLead / staff$250K – $275K a yearScience & researchDevelop a rich understanding of Voleon’s challenges and methodologies and propose research innovations and experiments to build, maintain and optimize the models that govern our investment strategy; Prepare and analyze new datasets to assess their predictive efficacy; Develop,…
The Voleon Group · New York, United States +1
HybridFull-timeLead / staff$275K – $300K a yearScience & researchDevelop a rich understanding of Voleon Securities' challenges and methodologies and propose research innovations and experiments to build, maintain, and optimize the models that govern our trading strategy; Prepare and analyze new datasets to assess their predictive efficacy;…
Member of Research Staff, Voleon Securities
6 months agoThe Voleon Group · New York, United States +1
HybridFull-timeLead / staff$225K – $250K a yearScience & researchDevelop a rich understanding of Voleon’s challenges and methodologies and propose research innovations and experiments to build, maintain and optimize the models that govern our trading strategy; Prepare and analyze new datasets to assess their predictive efficacy; Develop,…
Research Scientist
6 months agoHedra · San Francisco, California, United States
Full-time$200K – $325K a yearScience & researchDefine and lead research directions in action-conditioned world models, physical AI, and generative modeling for embodied systems; Design novel architectures, training objectives, and evaluation frameworks for VLMs, VLAs, and world models; Direct research efforts with the goal…
Member of Technical Staff - Research
6 months agoPolymath · San Francisco, California, United States
On-siteFull-timeLead / staff$150K – $300K a yearScience & researchWe’re hiring a Founding Member of Technical Staff - Research to help advance the frontier of autonomous agents. You’ll work on core research problems in long-horizon evaluation, agent post-training, and environment design, with a focus on understanding where current models fail…
Research Scientist - Post Training
6 months agoAfterQuery · San Francisco, California, United States
On-siteFull-time$210K – $450K a yearScience & researchYour job is to prove that our data works. You will design and run training experiments that isolate the impact of our datasets on model behavior. This includes SFT and RL-based post-training, where you’ll measure how different data sources shift capability, generalization, and…
Forward Deployed Research Scientist
6 months agoLabelbox · San Francisco, California, United States
$200K – $300K a yearScience & researchAlignerr is Labelbox's human data organization — we produce the training data that frontier AI labs use to build their most capable models. Our Forward Deployed Research Team sits at the intersection of research science and client delivery, embedding research capability…
California State University · San Bernardino, California, United States
Entry level$3,612.00 – $4,858.00 a monthScience & researchThe Department of Biological Sciences at California State University San Bernardino invites applications for a Graduate Assistant (GA) position. This position provides an excellent opportunity for graduate students to gain valuable experience in both research and supervising…
Research Associate - Foundry
7 months agoMedra · San Francisco, California, United States
On-siteFull-timeEntry level$85K – $110K a yearScience & researchWe're looking for a hands-on Research Associate to join our Foundry team and run a wide range of protein science and cell biology assays on the Medra Physical AI platform. This role is for someone who loves being at the bench and takes pride in rigorous, reproducible science.…
Institutional Research Analyst III (2 Positions)
7 months agoCalifornia State University · San Jose, California, United States
SeniorFrom $6,501.00 a monthScience & researchReporting to the Senior Director of Institutional Research and Strategic Analytics, the Institutional Research Analyst III supports a wide variety of research projects that includes both simple and sophisticated data gathering, analysis, and reporting, which contributes to…
Senior Clinical Research Coordinator
7 months agoHeadlands Research · Riverside, California, United States
Full-timeSenior$76K – $90K a yearScience & researchWe are seeking an experienced Clinical Research Coordinator/Clinical Research Coordinator III for our Artemis Institute of Research clinical trial site located in Riverside, California. Under the supervision of the Site Director, the Senior Clinical Research Coordinator is…
Research Scientist, World Models
7 months agoWaabi · Toronto, Ontario, Canada +3
HybridFull-timeCA$155K – CA$269K a yearScience & researchWaabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world-class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world…
California State University · Fresno, California, United States
Entry levelFrom $17.86 an hourScience & researchThe Department of Biology is seeking Instructional Student Assistant (ISA) applicants.
Research Scientist, Neural Reconstruction
7 months agoWaabi · Toronto, Ontario, Canada +3
HybridFull-timeCA$155K – CA$269K a yearScience & researchWaabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world-class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world…
Researcher
7 months agoaka (fka mem protocol) · San Francisco, California, United States
On-siteFull-timeScience & researchYou will work on the core problems that appear when agents need to act on behalf of people and organizations: identity, delegation, permissions, memory, provenance, and auditability. The work starts with unclear questions and ends with systems others can run. You might study…
Research Scientist, Simulation Agents
7 months agoWaabi · United States +6
HybridFull-time$158K – $269K a yearScience & researchWaabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world-class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.