247 research scientist jobs at 87 companies in Ladera Ranch, CA
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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
3mo
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Research Scientist
Carlsbad, California, United States
OnsiteFull Time
3+ YOEPhD preferred; 3+ years in NLP/ML; Python or R; Spark/PySpark; strong communication.
Python, R, Spark, PySpark
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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
2w
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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
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Principal Research Scientist - Frontier Industrial AI
San Leandro or New York City or Massachusetts or Lake Forest or Philadelphia
$214k-$356k/yr HybridFull Time
PhD or equivalent research experience in a relevant field; original AI research, strong software development, experimental systems, independent project execution, and expertise in advanced machine learning areas.
Python
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Research Scientist, Quantum Error Correction, Quantum AI
Goleta or Los Angeles
$147k-$210k/yr OnsiteFull Time
PhD or equivalent practical experience, quantum error-correction research publications, and preferred experience owning research agendas.
Low-Density Parity-Check (LDPC)
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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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Temp Senior Research Associate/Sr Scientist, Formulation and Delivery Sciences
Carlsbad or Boston or Dublin
$42-$75/hr OnsiteFull Time, Temporary
2+ YOERequires BS and 5+ years of laboratory experience for Senior Research Associate or PhD and 2+ years for Senior Scientist, plus RNA-loaded LNP synthesis, nanoparticle characterization, and laboratory communication skills.
HPLC, Ribogreen, DLS, SEC
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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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Applied Research Scientist - Trust and Safety
Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$219k-$408k/yr OnsiteFull Time
5+ YOE5+ years applied research experience with strong quantitative and qualitative methods, experimentation, causal inference, and ability to translate findings into policy and product recommendations.
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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.
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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.
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Research Data Scientist
Los Angeles or Washington
$106k-$125k/yr HybridFull Time, Temporary
3+ YOEMaster's in a quantitative field, 3+ years experience (5+ years statistical programming preferred), expertise with Medicare/Medicaid/commercial claims, SQL, Snowflake, AWS; strong analytic leadership and US work authorization required.
SAS, R, Python, SQL, Snowflake, AWS, VRDC, IDR, NIA LINKAGE
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Staff Scientist - Vaccine Research
Duarte, California, United States
$39-$132/hr OnsiteFull Time
3+ YOEPhD in cellular, tumor immunology, or related field; preferably 3+ years laboratory experience; vaccine research, animal models, flow cytometry, ELISPOT, imaging, cell culture, scientific documentation, and article writing experience.
ELISPOT
2d
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Rural Healthcare Scientist
Sacramento County or Sacramento or Los Angeles
HybridFull Time
2+ YOEConducts complex rural healthcare research, statistical analysis, healthcare data and policy writing, visualization, geographic analysis, privacy protection, and communication of findings to leadership.
Tableau, Power BI, R, ArcGIS, Microsoft Office Forms
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Research Scientist, Safety-Critical Control, Robotics, SAF Lab
Pasadena, California, United States
$136k-$184k/yr OnsiteFull Time
PhD in a quantitative field, deep expertise in Control Barrier Functions and optimization-based controllers, proficiency in C++ and Python, experience validating safety-critical algorithms on robotic hardware, and strong publication record.
C++, Python, QP, SOCP, sum-of-squares (SOS)
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Staff Gen AI Research Scientist
Costa Mesa or Seattle or Washington
$220k-$292k/yr OnsiteFull Time
2+ YOERequires a technical degree, 2+ years focused on generative models and transformers, production Python and deep learning expertise, LLM experience, and eligibility for a U.S. Top Secret clearance.
Lattice OS, Python, PyTorch, JAX, Axolotl, Hugging Face, DeepSpeed, Megatron-LM, LangChain, LlamaIndex, NVIDIA Jetson
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Senior Research Scientist - Machine Leaning
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$139k-$165k/yr OnsiteFull Time
3+ YOEBS+5 / MS+3 / PhD (or equivalent) in a scientific field; experience with PyTorch, JAX, or TensorFlow; Python and C/C++; scikit-learn, Pandas, Matplotlib; ability to obtain U.S. security clearance (U.S. citizenship).
PyTorch, JAX, TensorFlow, Python, scikit-learn, Pandas, Matplotlib, C, C++
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Biometrics and AI Research Scientist
Pasadena, California, United States
$137k-$228k/yr HybridFull Time
3+ YOEMS+3yrs or PhD in EE/CS, U.S. work authorization, 3+ years coding in C/C++ and Python, deep learning (PyTorch/TensorFlow/Onnxruntime/OpenVINO) for computer vision, biometrics or related experience, B.S. in imaging and signal analysis.
C, C++, Python, PyTorch, TensorFlow, Onnxruntime, OpenVINO, CUDA, OpenCL
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