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20 assay development scientist jobs at 16 companies in Santa Rosa, 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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2mo
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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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1mo
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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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3mo
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Scientist, HIV Virology
San Francisco, California, United States
$110k-$124k/yr OnsiteFull Time
Parallel Bio
Parallel Bio: Replicates the human immune system for faster drug discovery.
HIV virologist with BSL2+ experience, hands-on HIV assays, immunology knowledge, bench-focused, capable of building a lab from scratch.
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2mo
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Scientist, Mechanistic Biology
San Francisco, California, United States
OnsiteFull Time
General Proximity
General Proximity: Develops proximity-based medicines to treat undruggable disease proteins.
5+ YOEBS/MS/PhD in cell biology or biochemistry; 5-7+ years experience if no PhD; experience with mammalian cells, MOA, signaling, NGS, proteomics; strong communication; CRISPR/Lentiviral, co-IP; cell-based assays.
CRISPR, Lentiviral, Co-IP, RNA-seq, Proteomics, Flow Cytometry, Cloning
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2mo
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Scientist II - Biology
San Francisco, California, United States
$150k-$165k/yr OnsiteFull Time
Olema Oncology
Olema OncologyNASDAQ: OLMA: Develops targeted therapies for women's cancers.
3+ YOEPhD in a related field, 3+ years industry experience in small-molecule drug discovery, expertise in in vitro assay development, aseptic mammalian cell culture, high-throughput screening and automation, ELN recordkeeping, and strong communication and project management skills.
Microsoft Office, GraphPad Prism, Dotmatics, electronic laboratory notebooks (ELN), robotic liquid-handling automation tools, automated systems (liquid handlers)
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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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1mo
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Analytical Scientist I
Emeryville, California, United States
$120k-$140k/yr HybridFull Time
Prolific Machines
Prolific Machines: Controls cell behavior with light to optimize biomanufacturing.
1+ YOEPhD (preferred) in relevant field or equivalent industry experience; 1+ years biologics industry experience; assay development and protein characterization (HPLC, LC-MS, charge/aggregation, PTM); GLP method experience; hands-on LC-MS/Agilent QTOF; strong communication.
HPLCs, FPLCs, mass spectrometers, LC-MS, Agilent QTOF, proteomic software, Electronic laboratory instruments
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1mo
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Principal Scientist, Immunology
San Francisco or Seattle
$175k-$190k/yr RemoteFull Time
Jade Biosciences
Jade BiosciencesNASDAQ: JBIO: Developing best-in-class therapies for autoimmune diseases.
8+ YOEPhD in immunology or related field with 8+ years industry experience; deep immunology expertise, drug development knowledge, experience with immunological assays (flow cytometry, ELISA/MSD), strong communication and publication record.
flow cytometry, ELISA/MSD, cytokine panels, cellular assays, single-cell, proteomics
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1mo
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Senior Scientist, RNA Delivery
Berkeley, California, United States
OnsiteFull Time
Conception
Conception: Generating functional human eggs from induced pluripotent stem cells.
PhD or equivalent experience in RNA/Cell/Stem Cell/Bioengineering fields; hands-on RNA delivery into mammalian cells using LNPs, conjugates, exosomes, electroporation; assay experience (flow cytometry, qPCR, RNA-seq); strong experimental design and troubleshooting.
flow cytometry, qPCR, RNA-seq, scRNA-seq, imaging
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2mo
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Senior / Staff Scientist – Binder Discovery
San Francisco, California, United States
OnsiteFull Time
Ephla Bio
Ephla Bio: Interdisciplinary biotech focused on unlocking peptide–HLA targets for next-generation precision immunotherapies.
3+ YOEPhD in Biochemistry, Molecular Biology, Protein Engineering, or related field; 3+ years lab experience; experience with display technologies; binding assays; cloning and library construction; strong collaboration.
Phage display, Yeast display, ELISA, Flow cytometry, BLI, SPR, Cloning, Mutagenesis, Protein expression, Purification, Mass spectrometry
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2mo
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QC Analytical Scientist
Emeryville, California, United States
$140k-$170k/yr OnsiteFull Time
Renasant Bio
Renasant Bio: Develops oral small-molecule therapies for genetic kidney disorders.
8+ YOEPhD in Analytical Chemistry, Pharmaceutical Sciences, Biochemistry or related field; 8–15+ years in biotech/pharma/CRO; expertise in bioanalytical method development, validation, data interpretation; experience with ligand-binding assays and LC-MS/MS; CRO oversight; GLP/ICh M10 knowledge; PK/PD data interpretation.
ELISA, MSD, LC-MS/MS, GLP, ICH M10, PK/PD
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2mo
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Associate Scientist, Oncology Research
South San Francisco or Emeryville
$115k-$135k/yr HybridFull Time
CytomX Therapeutics
CytomX TherapeuticsNASDAQ: CTMX: Biopharmaceutical developing targeted cancer therapies using Probody technology.
0+ YOEAdvanced degree in cell biology or immunology (MS with 5+ years or PhD), hands-on experience with cell-based assays and tissue culture, flow cytometry/ELISA/MSD experience preferred, strong communication and data analysis skills.
PROBODY®, flow cytometry, cytokine analysis, ELISA, MSD, tissue culture, cloning
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2mo
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New Product Scientist
San Francisco, California, United States
OnsiteFull Time
Plasmidsaurus
Plasmidsaurus: Provides fast DNA and RNA sequencing services for scientists.
5+ YOEPhD preferred (or relevant degree + industry experience); 5+ years industry experience; strong molecular biology, assay and library prep expertise; product launch and scaling experience; excellent bench skills; programming for data analysis a plus; experience guiding technicians.
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1mo
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Scientist II, ML - Guided Protein Design Evaluation
Emeryville, California, United States
$147k-$180k/yr HybridFull Time
Profluent
Profluent: Designs functional proteins using deep generative AI models.
5+ YOEPhD (or MS with equivalent industry experience) in molecular biology/related; 5+ years protein engineering and antibody discovery experience; strong NGS screening knowledge; ability to define assay QC and work across ML, bioinformatics, and experimental teams.
Python, pandas, SQL, LIMS
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2w
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Scientist 2, Separations and Biophysics Assays
Novato, California, United States
OnsiteFull Time
BioMarin
BioMarinNASDAQ: BMRN: Develops and commercializes therapies for rare genetic diseases.
4+ YOEPhD plus 4+ years or master's plus 8+ years in chemistry, biochemistry, pharmaceutical chemistry, or related field; expertise in glycan analysis, LC-MS, chromatography, and analytical method development.
LC-MS, HILIC, CE, cIEF, icIEF, SEC, IEX, RP, UV, CAD, ELSD, FLD, MS, CE-SDS, USP, ICH, FDA, EMA, PMDA, INDs, BLAs, MAAs
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6d
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Scientist 2, Separations and Biophysics Assays
Novato, California, United States
$118k-$163k/yr OnsiteFull Time
BioMarin Pharmaceutical
BioMarin PharmaceuticalNASDAQ: BMRN: Biotechnology developing therapies for rare genetic diseases.
4+ YOEPhD in chemistry, biochemistry, pharmaceutical chemistry, or related field plus 4 years' post-graduate experience, or master's degree plus 8 years. Requires glycan analysis, LC-MS, chromatography, regulatory, and communication expertise.
LC-MS, HILIC, CE, cIEF, icIEF, SEC, IEX, RP, HILIC-FLD/MS, UV, CAD, ELSD, FLD, CE-SDS, FDA, EMA, PMDA, USP, ICH
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