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134 assay development jobs at 79 companies in San Francisco, CA

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Analytical Assay Development Scientist
Vacaville, California, United States
$100k-$130k/yr OnsiteFull Time
Oath
Oath: Develops microbial and AI solutions for soil regeneration and agriculture.
5+ YOEPh.D. or equivalent experience in a relevant science and 5+ years developing quantitative microbial assays; expertise in microbiology methods, complex data analysis, scientific literature, and cross-functional collaboration.
qRT-PCR, flow cytometry, amplicon sequencing, whole-genome sequencing (WGS), RNA-Seq, LIMS, Benchling, R, Spotfire, Tableau, JMP, Asana, Jira, SQL
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2w
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Research Specialist / Scientist, Assay Development
Redwood City, California, United States
$130k-$166k/yr OnsiteFull Time
Altos Labs
Altos Labs: Developing cell rejuvenation therapies to reverse diseases and aging.
PhD or BSc/MSc with extensive industry assay development experience; proficiency in biochemical/biophysical assays, tissue processing, ELN documentation, HTS, and cross-functional collaboration.
ELISAs, MSD, AlphaLISA, Western Blots, qPCR, ddPCR, HTS, microscopy, high content imaging, flow cytometry, immunoprecipitation, ELN
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2mo
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Scientist I - IVD Assay Development
Fremont, California, United States
$120k-$140k/yr OnsiteFull Time
Alamar Biosciences
Alamar Biosciences: Develops high-sensitivity proteomics platforms for early disease detection.
0+ YOEPh.D. or M.S. in biochemistry, molecular biology, immunology or related; 0–2+ years IVD assay development experience; hands-on immunoassay and molecular technique experience; knowledge of FDA 21 CFR Part 820 and ISO 13485; proficiency in data analysis (Excel, GraphPad Prism).
NULISA, GraphPad Prism, Microsoft Excel
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Senior Principal Scientist -Bioanalytical Assay- Cell Therapy
South San Francisco, California, United States
$173k-$322k/yr OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Provides innovative pharmaceutical and diagnostic healthcare solutions.
7+ YOEPhD in life sciences and minimum 7 years' biopharma experience supporting bioanalytical strategy for cell therapy; expertise in flow cytometry, qPCR/ddPCR, ligand‑binding and functional assays; strong leadership and cross‑functional influence.
flow cytometry, qPCR, ddPCR
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Senior / Staff Scientist, NGS Assay Development
San Carlos, California, United States
$120k-$150k/yr OnsiteFull Time
Clear Labs
Clear Labs: Automated next-generation sequencing platform for diagnostics and food safety.
8+ YOEPhD in molecular biology/genomics/bioengineering or 8+ years NGS assay development with regulated environment; Illumina NGS production; DOE/statistical design; ISO 13485/FDA design controls.
R, Python, JMP, Illumina sequencing, DOE, Finite State?
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Scientist / Senior Scientist, Assay Development (Reagents)
Berkeley, California, United States
$112k-$162k/yr OnsiteFull Time
Glyphic Biotechnologies
Glyphic Biotechnologies: Developing next-generation platforms for single-molecule protein sequencing.
4+ YOEReagent development and QC experience in biochemical systems; DOE design; SOPs and documentation proficiency.
HPLC, Fluorescence-based functional assays, DOE-informed study design, Stability testing methods
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Associate Director, Clinical Biomarker Development
Redwood City, California, United States
$186k-$233k/yr HybridFull Time
Revolution Medicines
Revolution MedicinesNASDAQ: RVMD: Developing precision oncology therapies for RAS-addicted cancers
3+ YOEPh.D. required; 3+ years clinical biomarker/assay development in industry; experience with assay development, validation and clinical implementation; CRO management; strong communication and independent problem-solving skills.
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Director, Bioassay Development
South San Francisco, California, United States
$208k-$271k/yr OnsiteFull Time
Denali Therapeutics
Denali TherapeuticsNASDAQ: DNLI: Developing medicines for neurodegenerative and lysosomal storage diseases.
10+ YOE8+ MgmtPhD-level biologist with deep expertise in bioassay development for protein biologics, 10+ years industry experience, 8+ years people leadership, assay validation/transfer, and GMP/regulatory knowledge.
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Scientist I, Analytical Development
San Carlos, California, United States
$129k-$151k/yr OnsiteFull Time
Vaxcyte
VaxcyteNASDAQ: PCVX: Developing vaccines to prevent and treat bacterial diseases.
Hands-on lab experience performing analytical assays (H/UPLC, LC-MS, CE, ELISA, SDS-PAGE, icIEF, PCR), method development/troubleshooting, strong documentation and data interpretation; PhD/MS/BS in relevant science field required with corresponding industry experience.
HPLC, UPLC, SEC, CE, UV-Vis, ELISA, electrophoresis, plate-based assays, LC-MS, SDS-PAGE, icIEF, Western Blot, PCR
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Scientist/Senior Scientist, Analytical Development & Characterization – Cell Therapy
Redwood City, California, United States
$160k-$195k/yr OnsiteFull Time
Retro Biosciences
Retro Biosciences: Developing therapies to extend healthy human lifespan.
5+ YOE5+ years industry experience in analytical development/characterization for biologics or cell/gene therapy; hands-on flow cytometry and functional assay development; IND-enabling study design, data documentation, and regulatory knowledge; advanced degree preferred.
flow cytometry
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3mo
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Senior Associate Scientist, Analytical Development (Contract)
South San Francisco, California, United States
$45-$50/hr OnsiteContract
Allogene Therapeutics
Allogene TherapeuticsNASDAQ: ALLO: Develops allogeneic cell therapies for cancer and autoimmune diseases
Bachelor's or master's in immunology or cell biology; experience with flow cytometry, cell-based assays, data analysis; authorization to work in the U.S.; 1-year contract with possible extension.
Flow Cytometry, FlowJo, R, Spotfire, cGMP
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Staff Scientist, Single-Cell Multiomics Product Development
Milpitas, California, United States
$136k-$217k/yr OnsiteFull Time
BD
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
8+ YOEDoctoral degree required; 8+ years research experience (5+ in industry); expertise in RNA-seq/NGS, FFPE sample assays, single-cell multiomics, assay development, data analysis, and strong communication skills.
BD Rhapsody
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Scientist, Quality Control & Analytical Development
Fremont, California, United States
$86k-$102k/yr OnsiteFull Time
Aspect Biosystems
Aspect Biosystems: Developing 3D bioprinted tissue therapeutics to treat diseases.
3+ YOEBSc or MSc in a relevant scientific discipline with 3+ years analytical development experience in biotech/pharma; hands-on experience with cell-based assays, flow cytometry, ELISA, ddPCR/qPCR; GxP familiarity and strong troubleshooting and communication skills.
ddPCR, qPCR, flow cytometry, ELISA
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Senior Scientist, Analytical Development
Fremont, California, United States
$125k-$135k/yr OnsiteFull Time
Eurofins Scientific
Eurofins ScientificEuronext Paris: ERF: Global provider of analytical testing and laboratory services.
5+ YOERequires Ph.D. plus 5+ years, M.S. plus 8+ years, or B.S. plus 12+ years in a related scientific field; expertise in biologic potency assays, cell culture, data analysis, GMP/GLP, and technical documentation.
Electronic Laboratory Notebooks (ELNs), GraphPad Prism, JMP, PLA, SoftMax Pro, ELISA, flow cytometry, Microsoft Excel
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Postdoctoral Fellow – Next-Gen Sequencing Systems, Research & Early Development
Santa Clara, California, United States
$100k-$106k/yr OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Develops and manufactures pharmaceutical medicines and diagnostic solutions.
Ph.D. in Bioengineering or related field; expertise in microfabrication, microfluidic systems, biochemical assay integration, Python scripting, and a peer-reviewed first-author publication.
Python, qPCR, dPCR, Bioanalyzer/TapeStation, Qubit, NanoDrop
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Scientist 1, Oncology | Drug Discovery
South San Francisco, California, United States
$113k/yr OnsiteFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
1+ YOEMS in biology/biochemistry/cell or related field and 1 year as a development scientist; experience with binding potency assays (ELISA, TR-FRET, Octet, flow cytometry), assay development, SOPs, and scientific reporting.
ELISA, TR-FRET, Octet, flow cytometry
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Research Associate II
Hercules, California, United States
$70k-$95k/yr OnsiteFull Time
Bio-Rad Laboratories
Bio-Rad LaboratoriesNYSE: BIO: Develops and manufactures products for life science research and diagnostics.
3+ YOEBachelor's or master's degree in biological sciences or related field; 3+ years in biochemistry and molecular or cellular biology research; assay development, multiplex assays, ELISA, and laboratory instrumentation experience.
BioPlex 2200 Multiplexing Platform, BioPlex 2200 System, eFlex, ELISA, Microsoft Office, statistical software
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Scientist, Biophysical Characterization (SPR/BLI)
San Francisco, California, United States
OnsiteFull Time
Medra
Medra: Builds autonomous robots and AI for scientific research.
2+ YOEPhD (2+ years) or BS/MS (6+ years) industry experience; deep hands-on SPR/BLI assay development, kinetics analysis, ELN documentation, assay validation, and collaboration with robotics/software teams.
Carterra LSA, Gator BLI, nanoDSF, DSC, HPLC-SEC, DLS, AC-SINS, Mosquito, Tempest, I.DOT, ELN, Python, R
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HTS Research Associate
Emeryville, California, United States
$75k-$93k/yr OnsiteFull Time
Octant
Octant: Develops precision medicines using synthetic biology and AI.
1+ YOEBS/BA or equivalent experience, 1+ years HTS or assay development experience, experience with plate-based assays (384/1536), lab automation/instrument troubleshooting, and quantitative data analysis (R or Python preferred).
BioTek MultifFlo, Agilent Bravo, Beckman Echo, R, Python
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2mo
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Bioanalytical Scientist (Part-Time, Contract)
South San Francisco, California, United States
$65-$70/hr OnsitePart Time, Contract
Surrozen
SurrozenNasdaq: SRZN: Developing Wnt pathway-modulating therapeutics for tissue repair.
2+ YOEBS/MS/PhD in biology/biochemistry or related; 2–10 years industry experience depending on degree; extensive ADA and PK assay development, serum/plasma/tissue sample analysis, and assay troubleshooting experience.
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