132 python r jobs at 59 companies in Stockton, CA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3mo
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Senior R&D Scientist
Milpitas or Singapore
HybridFull Time
Onto Innovation
Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.
4+ YOEPhD or Masters in engineering or physical science; 4+ years ML research/engineering; strong Python/MATLAB/R; ML libraries; DL frameworks; deploy large-scale models; travel up to 25%.
Python, MATLAB, R, Scikit-learn, PyTorch, TensorFlow, JAX, Large Language Models, Reinforcement Learning, Generative AI
2mo
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R&D Intern
Fremont, California, United States
$40-$45/hr OnsiteMultiple Commitments Available
Enovix
EnovixNASDAQ: ENVX: Manufactures advanced silicon-anode lithium-ion batteries for electronic devices.
PhD student or graduate researcher with electrochemistry, battery materials, cell testing, and failure analysis experience.
Python, MATLAB, JMP, Origin, XRD, XPS, Raman, FTIR, BET, TGA
2w
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Senior/Principal R&D Digital Systems Security, Hybrid
Livermore, California, United States
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
5+ YOEBachelor's +5 years or equivalent experience in digital systems security, ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and programming; strong communication skills.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly
2mo
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Senior Manager, R&D Software Engineering
Milpitas, California, United States
$157k-$271k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
10+ YOE4+ Mgmt10+ years embedded GUI software; 4+ years in leadership; medical device experience; strong C/C++, Python; regulatory and quality experience.
C/C++, Python, Qt, LabVIEW, .NET, QNX, Windows, Git, Jenkins, JIRA
2mo
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Senior Manager, R&D Software Engineering
Milpitas, California, United States
$157k-$271k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Global healthcare providing pharmaceuticals and medical technologies.
10+ YOE4+ MgmtBachelor's/Masters/PhD in computer or electrical engineering or related; 10+ years embedded/GUI software experience in medical device domain; 4+ years leadership; proficiency in C/C++, Python, embedded systems, and regulatory compliance.
C/C++, Python, Qt, LabVIEW, Microsoft .NET, QNX, Microsoft Windows, JAMA, Git, Jenkins, JIRA, UML, C#, SAP Product Lifecycle Management, Windows API, DLLs
3d
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Research Scientist – Optical Imaging Systems R&D
Milpitas, California, United States
$136k-$232k/yr OnsiteFull Time
KLA
KLANASDAQ: KLAC: Provides process control and yield management for semiconductor manufacturing.
Expertise in optical physics/engineering, system performance analysis, error budgeting, optical modeling/simulation, experimental bench work, MATLAB and Python proficiency; advanced degree preferred.
MATLAB, Python
2mo
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Senior Manager, R&D Software Engineering
Milpitas, California, United States
$157k-$271k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Develops and manufactures pharmaceutical drugs and medical devices.
10+ YOE4+ MgmtLead and manage an agile software team; drive architecture and development of safety-critical medical device software; ensure regulatory compliance; manage multiple projects.
C/C++, Python, Qt, LabVIEW, .NET, SPI, I2C, UART, USB, QNX, Windows, Git, Jenkins, JIRA, RTOS
2mo
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Scientist, Probe Design
Newark, California, United States
$89k-$147k/yr OnsiteFull Time
Bio-Techne
Bio-TechneNASDAQ: TECH: Provides reagents, instruments, and diagnostic tools for life sciences.
4+ YOEPhD with 4+ years in molecular biology, bioinformatics/computational biology; strong Python/R skills; Linux proficiency; probe design experience; RNAscope knowledge; 2+ years Biotech/R&D; travel ~10%.
Python, R, Linux, Perl, C++, Java, BLAST, BLAT
1w
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Lead Economist
Sacramento or Oakland
$8k-$11k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Expertise in macroeconomic and econometric modeling, simulation studies, statistical analysis, and regulatory impact assessment; experience with R, Python, and SQL; ability to guide junior staff and support rulemaking.
R, Python, SQL
2w
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Senior/Principal R&D Digital Systems Security, Hybrid
Albuquerque or Livermore
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's plus 5 years relevant experience (or equivalent), ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and familiarity with secure-system design and verification.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly, ASIC, FPGA, NIST, CNSS
3d
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Project Scientist - Finno Lab
Davis, California, United States
$79k-$101k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
5+ YOEPhD in genetics/animal science/comparative biology,5+ years computational genomics experience,expertise in whole-genome sequencing,RNA-seq,miRNA-seq,DNA methylation;strong publication record;proficient with Python,R,and Bash.
Python, R, Bash / shell
1mo
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Senior Scientist, Surface Chemistry
Fremont, California, United States
$120k-$140k/yr OnsiteFull Time
Ultima Genomics
Ultima Genomics: Develops high-throughput genomic sequencing platforms for biological research.
3+ YOEDegree in chemistry/materials/related field with industry experience (BS 8+, MS 5+, PhD 3+). Hands-on surface chemistry and metrology (AFM, XPS, SEM, Ellipsometry, FTIR), DOE/SPC, SOP authoring, data/image analysis (Python, FIJI, JMP, Matlab/Octave, R), and project leadership.
AFM, Ellipsometry, XPS, FTIR, SEM, fluorescence microscopy, Python, FIJI, JMP, Matlab, Octave, R, Design of Experiments (DOE), Statistical Process Control (SPC), PVD, CVD, PECVD, ALD, lithography
2mo
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Senior Systems Programmer, Healthcare Innovations
Arlington or Chapel Hill or Chicago or Sacramento or Austin
$135k-$165k/yr RemoteFull Time
American Institutes for Research
American Institutes for Research: Provides behavioral and social science research and technical assistance.
8+ YOE3+ Mgmt8+ years programming with large-scale healthcare data; expert in R, Python, SQL; CMS project experience; leadership.
R, Python, SQL, CMS data environments
2mo
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Senior Groundwater Hydrologist/Project Manager
Davis or San Diego or Ventura or Santa Monica or Berkeley
$135k-$192k/yr OnsiteFull Time
Larry Walker Associates
Larry Walker Associates: Provides environmental engineering and water resource management services.
10+ YOELead groundwater projects; 10+ years hydrogeology; CA SGMA experience; modeling, scripting (Python/R), GIS; driving license; travel.
Python, R, GIS
2mo
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Senior Analyst, Finance (Store Ops) (Business Intelligence)
Dublin, California, United States
$81k-$122k/yr HybridFull Time
Ross Stores
Ross StoresNASDAQ: ROST: Discount retail chain selling brand-name apparel and home fashions
3+ YOEBachelor’s degree, 3+ years analyst experience, strong communication, SQL/R/Python, Tableau/Power BI, data-driven retail analysis.
SQL, Python, R, Tableau, Power BI, Excel
3mo
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AI Engineer
Rancho Cordova, California, United States
$110k-$150k/yr HybridFull Time
GEI Consultants
GEI Consultants: Provides multi-disciplinary engineering and environmental consulting services.
4+ YOE4+ years software engineering; Generative AI with LLMs; Azure experience; Python/PySpark/R/SQL; data integration; Azure/Databricks tooling; security and ethics in AI.
Python, PySpark, R, SQL, Azure, Azure Functions, Azure AI Platform, Databricks, TensorFlow, PyTorch, Copilot Studio, Power BI, GPT, Codex, DALL·E
1mo
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Senior Hydrogeologist / Water Resources Engineer
Sacramento, California, United States
OnsiteFull Time
INTERA
INTERA: Geoscience and engineering consulting for environmental and water resources.
10+ YOEMS in hydrogeology or water resources, 10+ years experience, MODFLOW and numerical modeling experience, Python or R proficiency, GIS and data analytics experience, strong communication and project leadership skills.
MODFLOW, Python, R, GIS, AI/ML, Data Analytics, Data Management Systems
1w
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Data Scientist III, Behavioral Marketing Analytics & Customer Insights 
Carlsbad or Pleasanton
$96k-$128k/yr OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
3+ YOEAdvanced degree+3 years or bachelor's+5 years in quantitative field; advanced proficiency in Python,R,SQL; ML, cloud, big data, visualization, NLP and strong communication skills.
Python, R, SQL, scikit-learn, TensorFlow, PyTorch, AWS, Azure, Spark, Databricks, Power BI, Tableau, Git
1mo
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Data Steward Technician
West Sacramento or Idaho
$24-$30/hr OnsiteFull Time
Cramer Fish Sciences
Cramer Fish Sciences: Scientific research and consulting for aquatic ecosystem management.
Bachelor's degree in data science, fisheries, or related field required. Entry-level role assisting with data collection, QA/QC, database maintenance, and basic data summaries using Excel, R, or Python.
Django, Microsoft Access, SQL, Microsoft Excel, R, Python
2mo
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Data Scientist, Prenatal
Menlo Park or Union City or Austin
OnsiteFull Time
BillionToOne
BillionToOneNASDAQ: BLLN: Develops molecular diagnostic tests for prenatal and oncology care
2+ YOEMaster's/PhD with 2 years or Bachelor's with 4 years in data science/analytics; strong SQL and Python (or R); experience with messy or regulated clinical data; AI tool usage; stakeholder communication skills.
SQL, Python, R, dbt, Airflow, Tableau, Stitch, Hightouch, Cursor, Claude, ChatGPT, AWS (S3, Batch, RDS, MWAA), Clarity