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52 observational research jobs at 37 companies in California

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Research Scientist , WW Sustainability
Seattle or San Francisco
$136k-$184k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOEPhD or master's degree with 4+ years of quantitative field research experience; scientific problem-solving, experimental and observational data analysis required.
R, MATLAB, Python
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1mo
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Principal Research Data Scientist
San Francisco, California, United States
$170k-$215k/yr HybridFull Time
HealthLeap
HealthLeap: AI clinical assistant for inpatient risk screening and prioritization.
2+ YOEPhD in statistics/biostatistics/epidemiology or related field; 2+ years non-PhD observational health research experience; deep causal inference expertise; fluency in Python; experience with EHR/claims preferred; publication track record.
Python, EHR
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1d
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Assistant Researcher (Observational Cosmology)
Los Angeles, California, United States
$97k-$126k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
Ph.D. in Astronomy or a related field, with demonstrated experience in cosmology, strong gravitational lensing, and stellar dynamics.
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2d
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Research Scientist - E2
Palmdale, California, United States
$91k-$169k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Bachelor's degree in engineering or physics, U.S. citizenship, active DoD Secret clearance, ability to obtain Top Secret clearance, and experience or interest in low observables, electromagnetics, modeling, simulation, or programming.
Unix, Python, C++, C#, Java, Fortran, Matlab, CAD
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Staff Research Associate 1 (Limited Pool)
Merced, California, United States
$30-$36/hr OnsiteTemporary
University of California, Davis
University of California, Davis: A public research university providing higher education and healthcare.
Performs laboratory and/or field experimental procedures, technical observations, and instrument operation/maintenance under academic supervision; background check required.
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3mo
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Research Engineer - Data Infrastructure
Palo Alto, California, United States
OnsiteFull Time
Rhoda AI
Rhoda AI: Developing generalist robotic intelligence for real-world industrial automation.
5+ YOE5+ years in data infrastructure or ML infrastructure; experience with large-scale data pipelines; distributed systems and cloud storage; proficiency with Ray or Spark; strong observability and production reliability; end-to-end ownership of systems.
Ray, Spark, Snowflake, BigQuery, Redshift, DVC, Delta Lake
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Sr. Research Data Scientist
Boston or New York City or San Jose
$330k-$375k/yr HybridFull Time
Roku
RokuNASDAQ: ROKU: Operates a TV streaming platform and sells streaming hardware.
10+ YOEPhD preferred in economics/statistics; 10+ years applying causal inference and ML; deep expertise in observational causal methods; proficiency with Spark, Ray, SQL, Python, scikit-learn, XGBoost, LightGBM; experience with terabyte-scale data; strong communication.
Spark, Ray, SQL, Python, scikit-learn, XGBoost, LightGBM
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Member of Technical Staff — Research, Atmospheric Science
San Francisco, California, United States
OnsiteFull Time
Causal Labs
Causal Labs: Building physics-based causal AI models for predictive weather intelligence.
Deep expertise in atmospheric science or meteorology (PhD or equivalent), familiarity with operational forecasting, numerical weather prediction, forecast verification, and working with large observational/reanalysis datasets; ability to collaborate with ML researchers.
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Member of Technical Staff, Model Evaluation
San Francisco, California, United States
$350k-$500k/yr OnsiteFull Time
Mirendil
Mirendil: Developing frontier artificial intelligence models to accelerate scientific research.
Build evaluation frameworks, automated pipelines, observability tooling, and agent-assisted workflows; partner with training and RL teams to measure and improve model behavior.
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Atmospheric Sciences - Postdoctoral Researcher
Livermore, California, United States
OnsiteFull Time, Temporary
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
0+ YOEPhD in Atmospheric Sciences or related field; experience in cloud microphysics, turbulence, cloud schemes, convective modeling, observational analysis, and machine learning; strong communication; collaborative, independent research ability.
C++, Python, Machine Learning, Cloud Resolving Models, Large-Eddy Simulation, Observational Analysis
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2mo
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Senior Machine Learning Engineer - Research Optimisation
Sydney or San Francisco or Austin or Beijing or Prague
HybridFull Time
Canva
Canva: Cloud-based visual communication and graphic design software platform.
Strong Python and software engineering skills; production ML systems, PyTorch optimization, containers, Kubernetes, CI/CD, observability, distributed training, cloud experience, and clear technical communication.
Python, PyTorch, FSDP, DDP, DeepSpeed, Kubernetes, Weka, Vast, Lustre, ONNX, TorchScript, Triton, CUDA, torch.compile, TensorRT, Megatron, AWS
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Senior Software Engineer, Quantum Applied Research
Redmond or Santa Clara
$184k-$357k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
10+ YOE10+ years building production-grade software with distributed systems and data engineering; working knowledge of quantum computing; experience with Python, C++, Go, APIs, CI/CD, and modern data platforms; strong testing and observability practices.
Python, C++, Go, APIs, CI/CD, CUDA, GPU acceleration
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2d
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Sr Director, Epidemiology and Real World Evidence Franchise Lead (Oncology)
Foster City, California, United States
$261k-$338k/yr OnsiteFull Time
Gilead Sciences
Gilead SciencesNASDAQ: GILD: Develops and sells medicines for life-threatening infectious diseases.
12+ YOEDoctoral or master's degree in epidemiology or a related discipline, 12+ years of relevant post-graduation experience, biopharmaceutical experience preferred, oncology expertise, and a strong observational research publication record.
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Senior Director, Real World Evidence Generation
San Mateo, California, United States
$285k-$370k/yr RemoteFull Time
Dompé
Dompé: Develops innovative biopharmaceutical therapies for complex medical conditions.
10+ YOEPhD, PharmD, or equivalent required; 10+ years in real-world evidence, epidemiology, or outcomes research; observational study design, real-world data sources, and stakeholder presentation experience.
EHR
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Real World Evidence Lead
San Rafael, California, United States
HybridFull Time
BioMarin Pharmaceutical
BioMarin PharmaceuticalNASDAQ: BMRN: Biotechnology developing therapies for rare genetic diseases.
8+ YOEAdvanced epidemiology or related degree with 8–10+ years of pharmaceutical research experience; expertise in observational studies, real-world evidence, healthcare data, analytics, regulatory engagement, and stakeholder leadership.
HL7, FHIR, ICD-10, EMR, GDPR, HIPAA
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Staff Scientist - Real World Evidence and Data Science
Santa Clara or Sylmar
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
9+ YOEAdvanced degree in relevant discipline, 9+ years RWE or observational research experience preferred, hands‑on programming with SQL/R/SAS/Python, experience with EHR/claims/hospital data, strong communication and epidemiology skills.
SQL, R, SAS, Python, Electronic Health Records (EHR)
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Staff Scientist - Real World Evidence and Data Science
Santa Clara or Sylmar
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
9+ YOEAdvanced degree in epidemiology/biostatistics/clinical research or related field; extensive RWE and observational study experience; hands-on programming with SQL,R,SAS,Python; strong scientific communication and cross-functional collaboration skills.
SQL, R, SAS, Python, EHR
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Rainmaker Fellow, Radar Science
El Segundo, California, United States
$8k/mo OnsiteFull Time, Temporary
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Early-career researchers with strong quantitative and programming ability (preferably Python), radar or atmospheric science experience, ability to work with large observational datasets, clear communication, and availability for full-time on-site work in El Segundo.
Python, xarray, MRMS, NEXRAD
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Real World Evidence Lead
San Rafael, California, United States
OnsiteFull Time
BioMarin
BioMarinNASDAQ: BMRN: Develops and commercializes therapies for rare genetic diseases.
8+ YOEAdvanced academic training in epidemiology (PhD/MPH preferred) with 8+ years leading pharmacoepidemiology/RWE research in pharma, expertise in observational study design, protocol/analysis plan authorship, regulatory engagement, and real-world data standards/privacy.
HL7, FHIR, ICD-10, EMR, GDPR, HIPAA
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Assoc Director, Real-World Evidence
Santa Monica, California, United States
$178k-$230k/yr HybridFull Time
Kite Pharma
Kite PharmaNASDAQ: GILD: Developing engineered cell therapies to treat and cure cancer.
Lead real-world evidence generation across lifecycle; strong observational study expertise; advanced epidemiology/biostatistics skills.
R, SAS, OMOP, EpiInfo
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