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Research/Development Jobs in California by Main Cities

San Francisco (2129 postings) Neuropsychology Research...;  Junior or Assistant...
San Diego (1746 postings) Cancer Research...;  Senior Data Scientist,...
Los Angeles (1430 postings) Research Associate,...;  Research Coordinator...
South San Francisco (598 postings) Postdoctoral Position in...;  Automation Scientist...
Irvine (452 postings) Clinical Research...;  Research Associate: Data...
Berkeley (444 postings) Postdoc:...;  Postdoctoral Fellow...
Palo Alto (394 postings) Vivo Angiogenesis...;  Remote Data Entry...
San Jose (243 postings) Quantum Hardware...;  Postdoctoral Research...
Davis (229 postings) Tree Systems Lab...;  Manager- CCRM Clinical...
Sacramento (228 postings) Senior Oncology CRA:...;  Senior Market Researcher...
Pasadena (219 postings) Environmental...;  AI-Driven Chemistry...
Mountain View (217 postings) Remote RL Scientist:...;  Senior AI Research...
Duarte (200 postings) Postdoctoral Fellow or...;  Research Associate -...
Livermore (181 postings) Design Physicist – LPI...;  Experimental Physicist -...
Redwood City (155 postings) Sr. Research...;  Senior Scientist: CNS...
Alameda (148 postings) Clinical Trials Manager;...;  E11 Bio - Scientist,...
Santa Clara (142 postings) Senior R&D Technician:...;  Principal Scientist,...
Menlo Park (140 postings) Impact Data Research...;  Computational...
Sunnyvale (127 postings) Lead Mixed-Signal IC...;  Data‑Centric LLM...
Orange (112 postings) Clinical Research...;  Postdoctoral Scholar...
Emeryville (106 postings) Writer;  On-Site Impact Architect...
Thousand Oaks (105 postings) Principal Scientist,...;  Senior Scientist -...
Fremont (98 postings) Scientist II, Technology...;  Scientist – Technology...
Pleasanton (97 postings) Summer Intern -...;  Lab Technician...
Santa Barbara (94 postings) Senior Clinical Research...;  Geography & Regional...
Santa Monica (92 postings) Senior Education Policy...;  Aging Research Postdoc...
Oakland (91 postings) Postdoc in Distributed...;  Part-Time Motion...
San Carlos (88 postings) Associate Scientist II...;  Associate Scientist,...
Los Altos (74 postings) Research Scientist,...;  Research Scientist -...
San Mateo (73 postings) Senior Scientist,...;  CompChem Research...
Riverside (65 postings) Clinical Research...;  Transmission Technician...
Carlsbad (59 postings) Postdoctoral Fellow:...;  Postdoc Research...
Monrovia (57 postings) Postdoctoral Fellow —...;  Associate Director -...
Stanford (56 postings) Pediatric Oncology...;  Neuromuscular Research...
San Rafael (50 postings) Biologics Purification &...;  Associate Director, Cell...
Glendale (48 postings) Postdoc Research...;  Japanese-Speaking...
Santa Cruz (42 postings) Shariati Lab: Project...;  HAB Forecasting...
Hercules (39 postings) Senior Scientist,...;  Principal Scientist,...
Beverly Hills (38 postings) Genomics Core Lead —...;  Clinical Research...
Burlingame (37 postings) Remote Data Entry &...;  Principal ML Scientist,...
Long Beach (35 postings) AVP, Research & Economic...;  Senior Clinical Research...
Fresno (34 postings) Field Archaeologist:...;  Field Archaeologist; As...
Culver City (33 postings) Senior R&D Lead — From...;  Senior TV Content...
El Segundo (32 postings) Atmospheric Data Analyst;  Senior Surface Scientist...
Newark (32 postings) Senior Peptide...;  Research Associate,...
Salinas (32 postings) Seed Physiology...;  Field Research...
Merced (31 postings) Jr. Specialist in...;  Assistant Climate...
Hayward (29 postings) Battery Validation...;  Battery Validation...
Walnut Creek (28 postings) Senior Computational...;  Field Archaeology &...
Novato (25 postings) Air Quality Modeler CAMx...;  Postdoc/Research...
Camarillo (23 postings) Research Assistant;  Ventura County Sheriff's...
Foster City (22 postings) Associate Scientist II...;  Quantum Computing...
Oceanside (21 postings) Research Associate - II;  Downstream Bioprocess...
Torrance (21 postings) R&D Lab Technician:...;  Scientist, Product...
Escondido (20 postings) Per Diem Research Nurse...;  Conservation Science...
Milpitas (20 postings) Postdoctoral ML Research...;  Postdoctoral ML Research...
Loma Linda (18 postings) Independent Research...;  Independent Research...
Monterey (18 postings) Graduate Research...;  Graduate Research...
Cupertino (17 postings) Research Scientist:...;  AI-Driven Human Factors...
San Bernardino (17 postings) Archaeologist; On-Call;  Part-Time Research...
Seaside (17 postings) Senior Behavioral...;  Junior Behavioral...
West Sacramento (17 postings) Molecular Biologist -...;  Molecular Biologist...
Stockton (16 postings) Heritage research...;  Remote Research Panelist...
Corona (14 postings) Senior Flavor Scientist,...;  Senior...
Roseville (13 postings) Archaeologist - Field &...;  Archaeologist...
Fullerton (12 postings) Product Excellence &...;  Remote Equity Research...
Goleta (12 postings) Quantum Gate Modeling...;  Research Scientist,...
San Ramon (12 postings) Research Scientist,...;  Research Scientist...
Santa Rosa (12 postings) Remote Data Entry &...;  Seasonal Field Fish &...
Tustin (12 postings) Senior Design Researcher...;  Post Doc...
Claremont (11 postings) Research Technician;  Remote Data Entry &...
Inglewood (11 postings) Experienced Clinical...;  Clinical Research...
Mammoth Lakes (11 postings) Alpine Field Research...;  Field Research Assistant...
Petaluma (11 postings) Senior Scientist ,...;  Senior Scientist ,...
Gilroy (10 postings) Behavioral Science Task...;  Junior Behavioral...
Pomona (10 postings) Phlebotomist;  Tea Product Innovation...
San Clemente (10 postings) Remote Data Entry...;  Sr. Scientist II...
Shafter (10 postings) Lab Technician II:...;  GIS Technician: ArcGIS...
Aliso Viejo (9 postings) Clinical Trials...;  Clinical Trials...
Hollister (9 postings) Senior R&D Chemist -...;  Senior Polymer...
Some of the Last Jobs Posted:
today 1. Clinical Research Associate , Per diem - Dept of Orthopaedics Job in Los Angeles, California, USA

Research/Development (Clinical Research, Research Scientist, Research Assistant/Associate, Medical Science), Healthcare (Clinical Research, Medical Science)

Position: Clinical Research Associate I, Per diem - Dept of Orthopaedics - ** Job Description* - * ** Join our team and use your skill...

Clinical Research Associate , Per diem - Dept of Orthopaedics Job

Listing for: Cedars-Sinai
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today 2. National Ignition Facility and Photon Science Graduate Intern - Summer Job in Livermore, California, USA

Engineering (Research Scientist, Electrical Engineering, Mechanical Engineer), Research/Development (Research Scientist)

Position: National Ignition Facility and Photon Science Graduate Intern - Summer 2026 - Company Description - Join us and make YOUR...

National Ignition Facility and Photon Science Graduate Intern - Summer Job

Listing for: Lawrence Livermore National Laboratory
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today 3. National Ignition Facility and Photon Science Undergraduate Intern - Summer Job in Livermore, California, USA

Engineering (Electrical Engineering, Research Scientist, Mechanical Engineer), Research/Development (Research Scientist)

Position: National Ignition Facility and Photon Science Undergraduate Intern - Summer 2026 - Company Description - Join us and make...

National Ignition Facility and Photon Science Undergraduate Intern - Summer Job

Listing for: Lawrence Livermore National Laboratory
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today 4. Neuroimaging Research Assistant Job in Stanford, California, USA

Research/Development (Clinical Research), Healthcare (Clinical Research)

Stanford University is seeking a Physical Science Research Professional 1 to apply knowledge and understanding of a scientific discipline...

Neuroimaging Research Assistant Job

Listing for: Stanford University
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today 5. Mid-Range Behavioral Science Technical Contributor - Personnel T Security Clearance Job in Seaside, California, USA

Research/Development (Research Scientist)

Position: Mid - Range Behavioral Science Technical Contributor - Personnel T with Security Clearance - R - Description Leidos Health...

Mid-Range Behavioral Science Technical Contributor - Personnel T Security Clearance Job

Listing for: Leidos
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1 day ago 6. Oncology Research Pharmacist – Clinical Trials Leader Job in Los Angeles, California, USA

Healthcare, Research/Development

A leading research institution in Los Angeles seeks an experienced Oncology Research Pharmacist to support oncology clinical trials. This...

Oncology Research Pharmacist – Clinical Trials Leader Job

Listing for: C-Clinical
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1 day ago 7. Director or Associate Director, Medicinal Chemistry Job in San Diego, California, USA

Pharmaceutical (Drug Discovery), Research/Development (Drug Discovery, Research Scientist)

Director or Associate Director, Medicinal Chemistry - La Jolla, United States | Posted on - • Industry Pharma/Biotech/Clinical Research -...

Director or Associate Director, Medicinal Chemistry Job

Listing for: Allen Spolden
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1 day ago 8. Director Inflammation Job in Berkeley, California, USA

Healthcare (Data Scientist), Research/Development (Data Scientist)

Overview - The heart of Prellis Bio strategy is the combination of novel, cutting edge methods in machine learning, biology at scale and...

Director Inflammation Job

Listing for: Prellis Biologics
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1 day ago 9. Data Scientist, RNA Biology South San Francisco, Ca Job in San Francisco, California, USA

IT/Tech (Data Scientist), Research/Development (Data Scientist)

Data Scientist, RNA Biology - South San Francisco, California, United States - we build artificial intelligence to pioneer new frontiers...

Data Scientist, RNA Biology South San Francisco, Ca Job

Listing for: ESRhealthcare
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1 day ago 10. Research Scientist San Francisco, CA Job in San Francisco, California, USA

IT/Tech (Data Scientist, AI Engineer), Research/Development (Data Scientist)

Behind our name: - Like fire, AI holds the potential for both immense benefit and significant risk. Just as mastering fire transformed...

Research Scientist San Francisco, CA Job

Listing for: Goodfire
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1 day ago 11. Principal Scientist, Language & Personal Intelligence Job in Mountain View, California, USA

Research/Development (Data Scientist), IT/Tech (Data Scientist, AI Engineer)

Lab Summary - The Language & Personal Intelligence (LPI) Lab at Samsung Research America focuses on advancing next - generation AI...

Principal Scientist, Language & Personal Intelligence Job

Listing for: Samsung Research America
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1 day ago 12. Postdoctoral Scholar: Nuclear Data & ML Reactions Job in Berkeley, California, USA

Research/Development (Research Scientist, Data Scientist)

Position: Postdoctoral Scholar: Nuclear Data & ML for Reactions - A leading research university is seeking a Postdoc Employee to work...

Postdoctoral Scholar: Nuclear Data & ML Reactions Job

Listing for: University of California-Berkeley
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1 day ago 13. Analyst: Justice Data & SB-Research Impact Job in San Francisco, California, USA

IT/Tech, Research/Development (Research Analyst)

Position: Analyst: Justice Data & SB - 910 Research Impact - A government agency in California is looking for an Analyst to join its...

Analyst: Justice Data & SB-Research Impact Job

Listing for: Judicial Council of California
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1 day ago 14. Scientist/Study Director – In Vivo Pharmacology, DMPK & Toxicology Job in San Diego, California, USA

Research/Development (Research Scientist, Clinical Research), Healthcare (Clinical Research)

Scientist / Study Director – In Vivo Pharmacology, DMPK & Toxicology - Location: - San Diego, California - Department: - Preclinical...

Scientist/Study Director – In Vivo Pharmacology, DMPK & Toxicology Job

Listing for: BioLegacy Research
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1 day ago 15. ML Engineer, Biological Analysis & Simulation Job in San Francisco, California, USA

Research/Development (Data Scientist), IT/Tech (Data Scientist, AI Engineer)

About Mithrl - We imagine a world where new medicines reach patients in months, not years, and where scientific breakthroughs happen at...

ML Engineer, Biological Analysis & Simulation Job

Listing for: Mithrl
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1 day ago 16. Principal Research Scientist, Embodied Intelligence & Robotics Job in Mountain View, California, USA

Research/Development (Robotics, Research Scientist), Engineering (Robotics, Research Scientist)

Overview - Mountain View, CA - The Robot Intelligence Lab at Samsung Research America is a new facility dedicated to advancing the field...

Principal Research Scientist, Embodied Intelligence & Robotics Job

Listing for: Samsung Electronics GmbH
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1 day ago 17. Economist - AI Economics & Policy Insights Job in San Francisco, California, USA

Research/Development (Economics, Data Scientist)

A leading AI research firm based in San Francisco is seeking an Economist to analyze and measure AI's impact on the global economy....

Economist - AI Economics & Policy Insights Job

Listing for: anthropic
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1 day ago 18. Director, Research Security; Associate Director or Director Job in Palo Alto, California, USA

Research/Development (Data Scientist, Research Scientist)

Director, Research Security (Associate Director or Director) Dean of Research, Stanford, California, United States - The Research Policy...

Director, Research Security; Associate Director or Director Job

Listing for: Stanford University
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1 day ago 19. Research Scientist, AI Job in San Francisco, California, USA

IT/Tech (AI Engineer, Machine Learning/ ML Engineer), Research/Development

Research Scientist, AI - Substrate is addressing one of the most important technological problems facing the United States. At the...

Research Scientist, AI Job

Listing for: Substrate
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1 day ago 20. Lead Transportation Systems Scientist; Agent- Modeling Job in San Francisco, California, USA

IT/Tech (Data Scientist), Research/Development (Data Scientist)

Position: Lead Transportation Systems Scientist (Agent - Based Modeling) - A national lab focused on energy analysis is seeking a...

Lead Transportation Systems Scientist; Agent- Modeling Job

Listing for: Lawrence Berkeley National Laboratory
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