231 research scientist jobs at 71 companies in Reseda, CA
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Research Scientist
Los Angeles, California, United States
$117k-$135k/yr OnsiteFull Time
5+ YOEPhD and 5 years of related research experience required, with advanced quantitative and qualitative skills, publishing experience, project management, and supervisory experience.
LLM
3mo
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Research Scientist
Pasadena, California, United States
OnsiteFull Time
5+ YOEMS or equivalent experience in molecular/biochemical/biological sciences; 5 years of relevant research; experience with single-cell/spatial transcriptomics and multiomics; capable of leading and collaborating on projects.
Cell Ranger, Nanopore sequencing, CRISPR, siRNA, GOF screens, Python, R
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Senior Research Scientist
Orange, California, United States
$85k-$90k/yr OnsiteFull Time
1+ YOEPh.D. in philosophy/psychology/neuroscience, 1+ year postdoctoral research, 5+ peer-reviewed publications, proficiency with MATLAB/JASP/R, EEG experience, strong writing and presentation skills.
MATLAB, JASP, R, EEG
2w
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Research Scientist
Pomona, California, United States
$120k-$147k/yr OnsiteFull Time
5+ YOEDesign and execute experiments, lead feasibility and NPD activities, apply good laboratory practices, document risk and design control, and support product launches in dental chemical consumables.
Microsoft Word, Microsoft Excel
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Research Scientist
Thousand Oaks, California, United States
$91k-$121k/yr OnsiteFull Time
M.S. or Ph.D. in engineering or physics, 0–5 years relevant experience, strong heat transfer and fluid dynamics background, hands-on experimental lab experience, data analysis skills, familiarity with ANSYS Fluent/Icepak/Workbench, US citizenship required.
ANSYS Fluent, Icepak, Workbench
4w
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Research Scientist
Pasadena or United States
$100k-$135k/yr RemoteFull Time
Graduate degree in physical/environmental/earth/applied sciences, experience with methane emission sectors and remote sensing, ability to work independently and manage multiple projects.
Git
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Frontier Research Scientist — Superintelligence Systems
Santa Monica, California, United States
$260k-$380k/yr OnsiteFull Time
6+ YOESubstantial research record in RL, reasoning, or agentic systems; large-scale experimentation experience; strong scientific writing; interpretability or alignment research preferred.
JAX, PyTorch, reinforcement learning, agentic systems, interpretability, scaling laws
3mo
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Research Scientist, Amazon Music - DISCO
Seattle or Culver City or New York or San Francisco
$136k-$213k/yr OnsiteFull Time
4+ YOEPhD or Master’s with 4+ years of quantitative field research; expertise in causal modeling, A/B testing, and data-driven decision making.
R, MATLAB, Python
6d
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Research Scientist, PhD New Grad
United States or Austin or San Francisco or New York City or Seattle or Los Angeles or Chicago or Gurugram or Bengaluru
$120k-$220k/yr RemoteFull Time
Quantitative degree or equivalent research; machine learning, statistics, Python, data analysis, clean coding, communication, and U.S. work authorization required.
Python 3, PostgreSQL, AWS, Amazon EC2, Amazon S3, Amazon RDS, Amazon Redshift
4w
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Research Scientist, Optical Systems
Redmond or Pasadena
$122k-$181k/yr OnsiteFull Time
PhD in relevant field, hands-on nanofabrication and thin-film deposition experience, proficiency with metrology tools, and experience developing/optimizing fabrication processes.
E-beam lithography, optical steppers, dry/plasma etching, sputtering, atomic layer deposition (ALD), e-beam evaporation, AFM, SEM, optical profilometry, spectroscopic methods, nanoimprint lithography (NIL)
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Space Photovoltaics Research Scientist
El Segundo, California, United States
$117k-$176k/yr OnsiteFull Time
8+ YOEPh.D. in a STEM field, 8+ years experience in opto-electronic materials or device physics, proficiency with electro-optical characterization techniques, data analysis/programming (Python, MATLAB, Origin), project leadership, ability to obtain U.S. security clearance.
Python, MATLAB, Origin
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Research Scientist 4 - Machine Learning and Inference Research, LLM Post-Training
New York City or Los Angeles or Los Gatos
$300k-$537k/yr OnsiteFull Time
Ph.D. in Computer Science or related field with specialization in post-training LLMs and RL; top-tier publications; strong technical communication, collaboration, and self-motivation to drive research to impact.
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Research Scientist, R&D (2026)
Los Angeles, California, United States
$100k-$175k/yr HybridFull Time
3+ YOEPhD or Master’s in CS/Physics/Mathematics; 3+ years R&D in graphics/physics/ML; advanced C++ with VCS and testing; strong communication; background in discrete geometry or related areas.
C++, CUDA, Metal, WebGPU
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AI Research Scientist, Learning & Evaluation
Beverly Hills, California, United States
$180k-$280k/yr OnsiteFull Time
5+ YOEPhD or equivalent with 5+ years applying quantitative methods to products, experience evaluating LLMs, experimental design, causal inference, strong communication and analytics skills.
Python, Pandas, NumPy, SciPy, Jupyter, SQL, MongoDB, PostgreSQL, GCP
4w
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Applied Research Scientist - Trust and Safety
Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo or Singapore
$219k-$408k/yr OnsiteFull Time
5+ YOE5+ years applied research experience; strong quantitative and qualitative methods, experimentation, causal inference, and communication skills to influence policy and product decisions.
2mo
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Research Scientist (Computer Graphics, Vision and Machine Learning)
Los Angeles, California, United States
$100k-$320k/yr OnsiteFull Time
MSc with research experience or PhD in computer graphics/3D vision/machine learning; demonstrated publications or open-source contributions; expertise in 3D reconstruction, dynamic scene capture, photorealistic rendering; strong communication and collaboration skills.
1mo
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Gravitational-Wave Research Scientist III
Pasadena, California, United States
$145k-$181k/yr OnsiteFull Time
3+ YOEPhD in physics/astronomy/astrophysics or related field with 3+ years postdoctoral or relevant research experience; deep foundation in gravitational-wave data analysis, strong publication record, collaboration and communication skills.
2mo
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Postdoctoral Scientist – Behavioral Health Research (Hybrid)
Los Angeles, California, United States
$30-$45/yr HybridFull Time
1+ YOEDoctorate in a field related to behavioral/biomedical research; requires cover letter; 1 year postdoctoral experience; strong qualitative/quantitative research skills.
REDCap, Dedoose, Atlas, Microsoft Office, Zoom, Microsoft Teams
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Scientist III, Research and Development
West Hills, California, United States
$92k-$138k/yr OnsiteFull Time
3+ YOEMasters required (PhD preferred) with 3+ years relevant experience; expertise in mammalian cell culture, recombinant protein expression, molecular cloning, assay development, flow cytometry, and GMP/GLP documentation.
FlowJo, GraphPad Prism, JMP, R, CRISPR/Cas9, Luminex, Flow Cytometer
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2027 Principal Research Scientist - Directed Energy and Thermal Physics - Manhattan Beach CA
Manhattan Beach, California, United States
$114k-$171k/yr OnsiteFull Time
Completing or completed a PhD in applied physics, materials science, electrical engineering, thermal physics, or related field; U.S. citizenship and eligibility for government clearance required.
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