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607 senior scientist jobs at 281 companies in Fairfield, CA

3mo
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Machine Learning Scientist / Senior Machine Learning Scientist
South San Francisco, California, United States
$170k-$233k/yr OnsiteFull Time
Calico
Calico: Researching aging biology to develop longevity-improving therapies.
5+ YOEPhD in computational biology, bioinformatics, computer science, or related field; strong publication record; 0-5 years (Scientist) or 5+ years (Senior Scientist) in industry or academia; deep ML expertise; genomics knowledge; onsite four days/week.
Python, TensorFlow, PyTorch, Genomics data, DNA sequence analysis
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Senior Scientist, Organoid
Berkeley, California, United States
OnsiteFull Time
Conception
Conception: Generating functional human eggs from induced pluripotent stem cells.
3+ YOEPhD in Stem Cell Biology or Developmental Biology with postdoc or equivalent industry experience; hands-on organoid and tissue engineering expertise; strong communication and leadership skills; experience with sequencing datasets.
SmartSeq2, single-cell RNA-seq, ATAC-seq, EM-seq
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Senior Environmental Scientist (Specialist)
Sacramento, California, United States
$8k-$11k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Must meet Senior Environmental Scientist (Specialist) minimum qualifications and list/transfer/reinstatement eligibility; must reside in California upon appointment; candidates evaluated on education, experience, and fitness for the job.
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Senior Data Scientist, Product & Growth
San Francisco, California, United States
$180k-$250k/yr OnsiteFull Time
ComfyUI
ComfyUI: Modular visual AI platform for building and automating workflows.
Senior product/growth data scientist with several years of experience; hands-on SQL and Python, experimentation and statistics, building growth models, working with PostHog/dbt/warehouse, strong communication and product partnership skills.
SQL, Python, PostHog, dbt, ComfyUI, GitHub, warehouse
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E11 Bio - Scientist/Senior Scientist, Molecular Engineering & Sample Optimization
Alameda, California, United States
$100k-$191k/yr OnsiteFull Time
Convergent Research: Incubates and operates non-profit Focused Research Organizations to solve scientific bottlenecks.
Experimental scientist experienced with tissue preparation, microscopy, quantitative data analysis, molecular readout tools, assay development, and interdisciplinary collaboration.
SOPs
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Senior Applied Scientist
San Francisco, California, United States
$192k-$260k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEPhD in CS or EE; 5+ years in computer vision; experience with radar/thermal sensing; deep learning; production deployment; strong publications.
Java, C++, Python, PyTorch, TensorFlow, Radar processing, Thermal imaging, ROS/ROS2, TensorRT, ONNX
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Senior Clinical Lab Scientist
Antioch, California, United States
$69-$77/hr OnsiteFull Time
Kaiser Permanente
Kaiser Permanente: Provides integrated medical care and health insurance plans.
3+ YOEThree years of experience as a Clinical Laboratory Scientist; bachelor's degree; California CLS license; ability to perform and supervise routine lab procedures; good communication and compliance with lab standards.
Laboratory Information System, Calibrations and quality control instruments, General clinical laboratory equipment
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Senior Scientist - Computational Protein Design
South San Francisco, California, United States
$146k-$198k/yr OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
PhD/MD/PharmD or Master’s with relevant protein design experience; strong computational design background; programming in Python; experience with AI/ML in protein design; cross-functional collaboration.
Python, AlphaFold, ProteinMPNN, RFdiffusion, Cloud computing, HPC
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Scientist/Senior Scientist, Stem Cell/iPSC Research–Foster City, CA (San Francisco Bay Area)
Foster City or North America
$113k-$170k/yr OnsiteFull Time
Illumina
IlluminaNASDAQ: ILMN: Provides genomic sequencing and array-based solutions for genetic analysis.
2+ YOEScientist candidates need a BS or MS and 2+ years of laboratory experience; expertise in iPSC models, cell culture, sequencing, CRISPR, single-cell sequencing, target identification, and validation. Senior Scientist requires a PhD.
CRISPR, single cell sequencing, high-throughput sequencing
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Sr Data Scientist
Foster City, California, United States
$161k-$259k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOESenior data scientist with 5+ years' experience; strong statistics, modeling, SQL/Hive, Python/R, data visualization, and FP&A or finance analytics experience.
SQL, Hive, Python, R, Spark, Tableau, Power BI, VSCode, Pycharm
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Senior Data Scientist
Iași or Porto or Aveiro or Coimbra or Leicester or San Diego or San Francisco or Chennai or Bengaluru or Blumenau or Cluj-Napoca or Valencia or Casablanca or Melbourne
HybridFull Time
Mindera
Mindera: Develops bespoke software systems and digital products for enterprises.
Senior individual contributor with expert Python or R, CausalImpact or RStan, advanced SQL, cloud experience across AWS, Azure, or GCP, and strategic data science leadership.
Python, R, CausalImpact, RStan, SQL, AWS, Azure, GCP, Databricks, Snowflake
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Principal Scientist, Analytical Operations
Foster City, California, United States
$196k-$253k/yr OnsiteFull Time
Gilead Sciences
Gilead SciencesNASDAQ: GILD: Develops and sells medicines for life-threatening infectious diseases.
5+ YOESenior QC scientist for small-molecule clinical programs; requires deep analytical chemistry and cGMP QC experience, ability to manage external labs, author CMC, and lead cross-functional teams.
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Senior Applied Scientist - Demand Forecasting
San Jose, California, United States
OnsiteContract
Prodapt
Prodapt: Provides digital engineering and IT consulting services for telecom.
7+ YOE7+ years applied scientist experience in demand forecasting, proficiency in time-series methods, SageMaker, Python and SQL, retail demand planning exposure, bachelor's degree or equivalent.
ARIMA, Prophet, SageMaker, Python, SQL
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Scientist/Senior Scientist, Bioanalytical Sciences
South San Francisco, California, United States
OnsiteFull Time
Addition Therapeutics
Addition Therapeutics: Develops RNA-based gene therapies for chronic and rare diseases.
PhD (or equivalent industry experience) in relevant field, proficiency with ELISA, MSD, AlphaLISA, ddPCR, qPCR, Western blot, flow cytometry, microscopy, mammalian cell culture, assay design, troubleshooting, and data communication.
ELISA, MSD, AlphaLISA, ddPCR, qPCR, Western blot, flow cytometry, microscopy, HTS, automated liquid handling platforms
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Scientist / Senior Scientist, RNA Therapeutics
San Francisco, California, United States
$135k-$180k/yr OnsiteFull Time
Capable
Capable: Early-stage biotech developing novel peptide-based therapeutics.
Hands-on experience with RNA therapeutics and oligo design; ability to design ASOs/siRNAs, select chemistry, run in vitro/in vivo assays, and analyze PK/PD and efficacy data. Experience with qPCR, RNA-seq, HPLC/UPLC, LC-MS, and related assays.
HPLC/UPLC, LC-MS, MALDI, UV quantification, PAGE, RNA-seq, qPCR, ddPCR, Western blot, ELISA
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Staff Data Scientist, Marketing
San Francisco, California, United States
RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
10+ YOESenior data scientist for marketing measurement; advanced degree; 6–10+ years experience in marketing science/econometrics; Python/R/SQL; production pipelines; communicates with executives.
Python, R, SQL, Machine Learning, Data Pipelines
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2mo
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Senior Scientist - Beamline Scientist
Livermore or Menlo Park
$102k-$152k/yr OnsiteFull Time
Mission Support and Test Services: Manages and operates the Nevada National Security Site.
5+ YOEBachelor’s in calculus-based STEM + 5+ years relevant experience; experience with synchrotron beamlines, X-ray optics/diagnostics, high vacuum, motion controls; LabVIEW or EPICS; valid driver’s license; ability to obtain DOE Q clearance.
LabVIEW, EPICS
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Senior Data Scientist, Lifecycle
San Francisco or San Jose or New York City or Seattle or Austin or Washington or California or Massachusetts or New Jersey or Washington or United States
$172k-$262k/yr RemoteFull Time
Thumbtack
Thumbtack: Online marketplace connecting homeowners with local service professionals.
5+ YOE5+ years analytical experience, Bachelor's/Master's in STEM, strong SQL and Python, experimental design and causal inference expertise, ability to influence senior stakeholders.
SQL, Python
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Senior Scientist I
South San Francisco, California, United States
$162k-$189k/yr HybridFull Time
Cytokinetics
CytokineticsNASDAQ: CYTK: Develops muscle-directed medicines for cardiovascular and neuromuscular diseases.
5+ YOEPh.D. in organic chemistry with 5+ years industry experience (or M.S. with 8+ years); expertise in small-molecule synthesis, process development, scale-up, cGMP familiarity, analytical techniques (HPLC, LC-MS, NMR), and technical communication.
HPLC, LC-MS, NMR
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Senior Scientist - Immunology Biology
Hayward, California, United States
$160k-$175k/yr OnsiteFull Time
Arcus Biosciences
Arcus BiosciencesNYSE: RCUS: Develops differentiated molecules and combination therapies to treat cancer.
3+ YOEPhD in immunology or related field; 3+ years industry experience; strong in inflammatory and autoimmune mechanisms; experience with murine models and immunoassays.
Flow Cytometry, ELISA, Western Blot, Immunoassay, In Vivo Models, In Vitro Assays
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