691 python r jobs at 303 companies in Petaluma, 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
3d
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Chemical R&D Engineer
San Francisco, California, United States
$100k-$200k/yr OnsiteFull Time
Ammobia
Ammobia: Modular technology for cost-effective clean ammonia production.
3+ YOE3+ years industrial experience in reaction engineering, catalysis, or gas sorption; hands-on reactor and pilot-scale work; strong quantitative skills in thermodynamics, kinetics, heat/mass transfer; Python or MATLAB data analysis; excellent communication.
Python, MATLAB
1w
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Associate Scientist R&D
South San Francisco, California, United States
$90k-$112k/yr OnsiteFull Time
Natera
NateraNASDAQ: NTRA: Provides clinical genetic testing and diagnostics services.
4+ YOEBSc with 4+ years (or MSc with 2+ years) in molecular biology/biochemistry, hands-on NGS and DNA/RNA workflows, library prep, qPCR, data analysis (R/JMP/Excel), pipetting and assay development experience.
NGS, R, JMP, Microsoft Excel, python
1mo
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R & D Engineer 5 (0443) Job #86742 - Berkeley Wireless Research Center (BWRC)
Berkeley, California, United States
$145k-$200k/yr OnsiteFull Time
University of California, Berkeley
University of California, Berkeley: Public research university offering undergraduate and graduate education.
Doctorate or advanced degree in a related field, subject-matter expertise in custom IC and FPGA design, expert programming skills, experience with CAD tools, advanced project management and communication skills.
C, C++, Java, JavaScript, PHP, C-shell, Bourne shell, Python, TCL/Tk, Scheme, Design Compiler, Modelsim, Virtuoso, Ansoft HFSS, Keysight, Innovus, Astro, Calibre, Xilinx Vivado
5d
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Senior R&D Software Engineer, Fivetran AI
Austin or Oakland
$164k-$197k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
5+ YOE5+ years programming in Python and/or Java, SQL and data warehouse experience, full-stack development, SRE and on-call experience, ability to prototype AI/LLM techniques and ship production software.
Python, Java, SQL, dbt, Claude, ChatGPT, Gemini, vector databases, BigQuery, Snowflake, Databricks, MCP protocol, React, TypeScript, Postgres, Kubernetes
1mo
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Staff/ Senior/ Principal Systems Engineer - R&D
South San Francisco, California, United States
$165k-$260k/yr OnsiteFull Time
Culture Biosciences
Culture Biosciences: Automated cloud-connected bioreactor systems for bioprocess development.
15+ YOEAdvanced degree preferred; 15+ years industry experience with 10+ years in biopharma; expert in architecting and integrating complex R&D systems, requirements/interface definition, integration and verification, hands-on lab troubleshooting, Python and CAD experience.
Python, CAD
1mo
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Sr. Manager, R&D AI Solutions & Analytics
Princeton or San Diego or South San Francisco
$134k-$167k/yr HybridFull Time, Full Time
Acadia Pharmaceuticals
Acadia PharmaceuticalsNASDAQ: ACAD: Develops and sells medicines for neurological and rare diseases.
6+ YOEBachelor's in data science/related field; 6+ years analytics/AI in pharma; hands-on analytics products; regulated R&D experience; CDISC/FHIR knowledge; willing to travel.
CDISC, FHIR, Python, SQL, Tableau
1mo
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R & D Engineer 5 (0443) Job #86742 - Berkeley Wireless Research Center (BWRC)
Berkeley, California, United States
$145k-$200k/yr OnsiteFull Time
University of California, Davis
University of California, Davis: Public land-grant research university providing higher education and healthcare.
Doctorate or advanced degree with experience; subject-matter expertise in custom integrated circuits, FPGA and software engineering; expert programming skills (C, C++, Java, JavaScript, PHP, Python, Tcl/Tk, Scheme, shell); experience with CAD tools and advanced project management.
C, C++, Java, JavaScript, PHP, Python, Tcl/Tk, Scheme, C shell, Bourne shell, Design Compiler, Modelsim, Virtuoso, Ansoft HFSS, Keysight, Innovus, Astro, Calibre, Xilinx Vivado
3mo
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Sr. R&D Equipment Design & Development Engineer
Santa Clara or San Francisco
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
10+ YOEBS in Mechanical Engineering, 10+ years in mechanical design of complex equipment; CAD (Solidworks/NX/AutoCAD); assembly, testing, validation; precision motion and vacuum systems.
Solidworks, NX, AutoCAD, Python, C++, LabVIEW
1w
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BIM Engineer, R&D
Austin or New York City or San Francisco or Seattle
$197k-$227k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
BIM production and model coordination on industrial/data center projects; scripting with Dynamo/Grasshopper/Python; strong Revit/Navisworks/Tekla exposure preferred; standards and template development.
Dynamo, Grasshopper, Python, Revit, Navisworks, Tekla
2w
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Bioinformatics Engineer - Proteomics
San Francisco, California, United States
$120k-$180k/yr HybridFull Time
LatchBio
LatchBio: Building cloud-based software and AI for biological data analysis.
5+ YOE5+ years working with genomics/genetics data, experience with drug mechanism studies using population genomics, proficiency in Python and/or R.
Python, R
1w
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R&D Roll Coating Engineer – Thin Film Optics
Santa Rosa, California, United States
$102k-$189k/yr OnsiteFull Time
VIAVI Solutions
VIAVI SolutionsNASDAQ: VIAV: Provides network testing equipment and advanced optical coatings.
5+ YOEBachelor's in engineering or optics,5–10 years roll‑to‑roll or thin‑film R&D experience,DOE and data analysis skills,proficiency with Minitab/JMP/Python,ability to work in lab and pilot line,US Person per ITAR required.
Minitab, JMP, Python, profilometry, ellipsometry, AFM, microscopy, spectrophotometry
2mo
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Computational Biologist
San Francisco or Boston
$125k-$185k/yr OnsiteFull Time
Valius
Valius: Provides precision oncology diagnostics and molecular testing for cancer.
Fluency in omics analysis; programming in Python and/or R; strong problem-solving; able to deliver rigorous results; high ownership; startup mindset.
Python, R, Snakemake, Nextflow, Git
5d
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Senior Manager, Biostatistics
Princeton or Seattle or Brisbane or Cambridge
$164k-$229k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
3+ YOEPhD+3yrs or MS+5yrs in statistics/biostatistics, proficiency in SAS,R,Python, experience with clinical trials, regulatory knowledge, strong communication and leadership skills.
SAS, R, Python
5d
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Senior Manager, Biostatistics
Princeton or Seattle or Brisbane or Cambridge
$164k-$229k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNYSE: BMY: Develops and manufactures innovative prescription biopharmaceutical medicines.
3+ YOEPhD (3+ years) or MS (5+ years) in statistics/biostatistics, clinical trials experience, proficiency with SAS,R,Python, strong communication and regulatory understanding.
SAS, R, Python
2mo
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NERA Researcher – AT/Healthcare (Immediate Hire)
San Francisco or Chicago or New York City
$90k-$102k/yr HybridFull Time
Marsh McLennan
Marsh McLennanNYSE: MRSH: Provides global insurance brokerage, risk management, and professional consulting services.
2+ YOE2-3 years in economics; BA/BS in economics/statistics/mathematics; strong Python/R/SAS/Stata; good writing and communication; minimal travel.
Python, R, SAS, Stata
3w
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BIOINFORMATICS SPECIALIST (JUNIOR, ASSISTANT, ASSOCIATE, or FULL Rank) - ULLIAN LAB
San Francisco, California, United States
$55k-$195k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
4+ YOEProvide bioinformatics support for genomics and omics projects; design and implement analysis pipelines; proficiency in R, Python, Unix, and genomics tools; strong communication and collaborative skills.
R, Unix, Bash, Python, SLURM, Github, Seurat, Signac, Monocle, Harmony, Liger, FastMNN, Limma, RNA-velocity, SCENIC, Scanpy, GSVA, GO-PCA, Clustering Trees, Encode-ATAC-seq, NicheNet, CellPhoneDB, CellChat, Infercnv, Metascape, Fastqc, samtools, bwa, bedtools, freebayes, GATK, SOILoCo, Lep-Map3, HAWK, AFLAP
2mo
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Junior Research Scientist
San Francisco, California, United States
$150k-$230k/yr OnsiteFull Time
EliseAI
EliseAI: AI platform automating housing and healthcare business operations.
Ph.D. in Mathematics, Theoretical Physics, Computer Science, or related field; strong ML foundation; Python/R programming; in-person work 4-5 days/week.
Python, R, Machine Learning Libraries
6d
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Biostatistical Programming Manager
South San Francisco, California, United States
$134k-$193k/yr HybridFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
1+ YOEMaster's in applied science, mathematics or related; experience with CDISC SDTM, CRF design, regulatory submissions, and programming in SAS/R/Python; project coordination and automation experience.
Study Data Tabulation Model (SDTM), CDISC SDTM, SAS, R, Python, Define.xml
1w
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Scientist 3, Single Cell & Functional Genomics
South San Francisco, California, United States
$103k-$192k/yr OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Provides innovative pharmaceutical and diagnostic healthcare solutions.
Doctorate in a relevant field, hands-on single-cell and CRISPR screening experience, NGS assay expertise, proficiency in R and/or Python, strong communication and leadership demonstrated by publications.
R, Python, NGS
1mo
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People Research Scientist, People
San Francisco or New York City or Seattle
$275k-$370k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Advanced degree in a relevant field, expertise in experimental and longitudinal methods, proficiency in SQL and Python/R, survey design and psychometrics, data visualization, and experience with people analytics.
SQL, Python, R, BigQuery, Qualtrics, Workday