90 assay development scientist jobs at 52 companies in Everett, MA

1mo
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Scientist, Assay Development (including NGS)
Boston, Massachusetts, United States
OnsiteFull Time
Cultivarium
Cultivarium: Developing tools to engineer non-model microorganisms for research.
MS/PhD or equivalent experience in molecular/synthetic biology; deep hands-on NGS (Illumina, Oxford Nanopore) and nucleic acid workflows; assay design for non-model organisms; strong molecular biology, quantitative skills, and collaboration.
NGS, Illumina, Oxford Nanopore, microfluidics, FACS-Seq, CRISPR, Hi-C, liquid handler
3w
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Scientist/Senior Scientist, Assay Development - Neuroscience Biomarkers
Woburn, Massachusetts, United States
$115k/yr OnsiteFull Time
Spear Bio
Spear Bio: Develops ultrasensitive protein detection technology for research and diagnostics.
Ph.D. required in a relevant field; expertise in fluid biomarkers and immunoassay development, experimental design, data analysis, troubleshooting, and scientific communication; ability to work onsite 5 days/week in Woburn, MA.
1mo
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Scientist II, Assay Development & Screening
Cambridge, Massachusetts, United States
$120k-$145k/yr OnsiteFull Time
Parabilis Medicines
Parabilis Medicines: Developing helical peptide therapeutics for undruggable cancer targets.
2+ YOEPhD in a relevant discipline with 2+ years postdoctoral or industry experience; hands-on assay development across biochemical and cell-based formats; ability to design experiments, deliver decision-quality screening data, and introduce automation; strong communication skills.
2d
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Senior/Principal Scientist Cell Based Potency Assay
Lexington, Massachusetts, United States
$154k-$243k/yr OnsiteFull Time
Takeda
TakedaTokyo Stock Exchange: 4502: Develops and manufactures pharmaceutical products for global healthcare needs.
7+ YOEAdvanced expertise in cell-based potency assay development, mammalian cell culture, statistical analysis of bioassays, assay validation/transfer, regulatory documentation, and cross-functional technical leadership.
ELISA, MSD, flow cytometry, luminescence, fluorescence, absorbance, ELN, LIMS
1w
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Scientist l - LBA (Ligand Binding Assay) Ops
Worcester, Massachusetts, United States
$75k-$143k/yr OnsiteFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
2+ YOEBachelor's or MS in biology/biochemistry/pharmacology with ligand binding assay experience, proficiency with LIMS/ELN/Excel, assay development and troubleshooting, lab automation experience desirable.
Meso Scale Discovery (MSD), ELISA, Microsoft Excel, LIMS, ELN, rLIMS
2d
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Senior Scientist, Analytical Development
South Boston, Massachusetts, United States
$140k-$155k/yr OnsiteFull Time
CRISPR Therapeutics
CRISPR TherapeuticsNASDAQ: CRSP: Develops gene-editing medicines using the CRISPR/Cas9 platform.
4+ YOEExperienced in development and qualification of cell-based assays, mammalian cell culture, flow cytometry, sequencing platforms, and statistical analysis; Ph.D. or equivalent industry experience and ability to lead assay lifecycle and tech transfer.
flow cytometry, droplet digital PCR, sanger sequencing, amplicon next generation sequencing, JMP, GraphPAD, Qubas, Softmax, FlowJo, MACSQuantify
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Senior Scientist, Analytical Development
Cambridge, Massachusetts, United States
$155k-$170k/yr OnsiteFull Time
Aurion Biotech
Aurion Biotech: Developing regenerative cell therapies to restore vision for patients.
3+ YOEPhD (3–5 years) or MS (6–8 years) in related field with demonstrated analytical development experience for cell therapies; deep technical knowledge of assays (Flow Cytometry, dPCR/qPCR, ELISA, potency) and GMP method development; strong cross-functional collaboration and documentation skills.
FlowJo, JMP, GraphPad Prism
2mo
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Sr. Scientist, Analytical Development
Lexington, Massachusetts, United States
$120k-$150k/yr OnsiteFull Time
Genezen
Genezen: Produces viral vectors for cell and gene therapy programs.
8+ YOE2+ MgmtLead method development/validation for analytical and QC assays; manage tech transfer; publish protocols and reports; strong AAV, ddPCR/qPCR, ELISA, HPLC expertise; manage AD team.
AAV assay development, qPCR, ddPCR, ELISA, HPLC, CAD, MALS, Flow cytometry, LIMS/ELN
3w
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Senior Scientist II/Principal Scientist, Sequencing Technologies
Cambridge or Durham
$143k-$215k/yr OnsiteFull Time
Flagship Pioneering
Flagship Pioneering: Conceives, creates, and builds life science platform companies
8+ YOEPh.D. in a relevant field; 8+ years (Senior Scientist II) or 12+ years (Principal Scientist) industry/postdoc experience; deep expertise in NGS, assay development, sequencing operations, automation, and cross-functional leadership.
2w
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Process Development Associate Scientist- Biological and Structural Characterization
Cambridge, Massachusetts, United States
$90k-$122k/yr OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
1+ YOEMaster's+1 year or Bachelor's+3 years scientific experience; assay development, cell-based bioassays, cell culture, molecular biology, analytical method qualification/transfer, and strong documentation skills.
3mo
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Founding Scientist/Senior Scientist, Proteomics
Cambridge, Massachusetts, United States
OnsiteFull Time
Deliverome Bio
Deliverome Bio: Building an open-access atlas of surface protein abundance
PhD in proteomics or related field; DIA-MS experience; proteomics workflow development; enrichment-based assays; ability to troubleshoot and optimize platforms.
DIA-MS, Spectronaut, DIA-NN, LC-MS, Proteomics
2w
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Senior Scientist II/Principal Scientist, Sequencing Technologies
Cambridge, Massachusetts, United States
$143k-$215k/yr OnsiteFull Time
Terrana Biosciences
Terrana Biosciences: Develops RNA-based technology for crop protection and enhancement.
8+ YOEPh.D. in a related field required; 8+ years industry/postdoc experience (Senior Scientist) or 12+ years (Principal). Deep expertise in NGS, assay development, sequencing operations, automation, and cross-functional leadership.
Greenhouse
2w
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Senior Scientist
Milford, Massachusetts, United States
OnsiteFull Time
Waters Corporation
Waters CorporationNYSE: WAT: Provider of analytical laboratory instruments and software.
0+ YOEAdvanced degree in chemistry/biology/biological or chemical engineering; experience with biomolecule characterization, LC/LC-MS workflows, assay platforms, scientific communication, and development of biomaterials for affinity separations.
ELISA, SPR, BLI, magnetic beads, field-flow fractionation, LC, LC-MS, IEX, SEC, RP, COMSOL, Ansys, CAD, 3D printing
1w
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(StealthCo) Scientist: Biology and Cell Pharmacology
Cambridge, Massachusetts, United States
OnsiteFull Time
Foresite Labs
Foresite Labs: Biotechnology incubator focused on AI-driven drug discovery and research.
0+ YOEPhD or BS/MS in cell/molecular biology or related field; hands-on tissue culture, molecular and protein assay expertise; assay development, data analysis, and strong communication skills.
flow cytometry, ELISA, high content imaging, Western blot, qPCR, RNA-seq
2mo
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Scientist / Sr. Scientist, Research
Waltham, Massachusetts, United States
$142k-$187k/yr OnsiteFull Time
Visterra
Visterra: Develops antibody-based therapies for kidney and immune-mediated diseases.
2+ YOEPhD with 2+ years in industry or BS with 10+ years; hands-on ASO/siRNA design, bioconjugation, cell-based assays, data analysis, CRO/vendor management, mentorship.
qPCR, ddPCR, NGS, Bioconjugation, Linker Chemistry, Cell-Based Assays, Antibody-Oligonucleotide Conjugates
1mo
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Scientist, Ligand Binding Assays
Cambridge, Massachusetts, United States
$110k-$166k/yr OnsiteFull Time
Alnylam Pharmaceuticals
Alnylam PharmaceuticalsNASDAQ: ALNY: Develops RNAi therapeutics to treat rare and common diseases.
0+ YOEPhD in relevant field (or equivalent experience: MS+8 yrs or BS+10 yrs). Expertise in ligand binding assays (ELISA, MSD, Quanterix, FACS, LCMS), assay development, data analysis, and strong communication skills.
hybridization ELISA, ELISA, MSD, FACS, ELLA, Quanterix, Liquid Handlers, Biomek, LCMS
4w
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Staff Scientist
Boston, Massachusetts, United States
$83k-$133k/yr OnsiteFull Time
Boston Children's Hospital
Boston Children's Hospital: Providing comprehensive pediatric healthcare and medical research services.
7+ YOEMaster's in a STEM field plus 7 years research experience; strong iPSC tissue culture and neuroscience expertise; experience with neuron differentiation, phenotyping, imaging, MEA recording, assay development, and mentoring.
iPSC, high content imaging and analysis, multi-electrode array recording, calcium imaging, genome editing
1w
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Associate Scientist / Scientist, Immunology & Pharmacology
Bedford, Massachusetts, United States
OnsiteFull Time, Temporary
PharmaEssentia
PharmaEssentiaTaiwan Stock Exchange: 6446: Develops and provides biologics for hematology and oncology.
2+ YOEDesign and execute in vitro/ex vivo/in vivo immunology and pharmacology studies; 2+ years relevant research experience; B.S./M.S./Ph.D. in relevant field; experience with primary immune cell assays and immuno-oncology preferred.
multicolor flow cytometry, FACS, ELISA, Meso Scale Discovery (MSD)
2d
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Scientist, Metabolomics
Cambridge, Massachusetts, United States
$110k-$166k/yr OnsiteFull Time
Alnylam
AlnylamNasdaq: ALNY: Developing and commercializing RNA interference (RNAi) therapeutics for diseases.
8+ YOEPhD in related field (or MS with 8+ years), extensive LC-MS/MS assay development and sample prep experience, metabolomics data analysis, familiarity with Python/R and omics bioinformatics, strong communication and publication record.
LC-MS/MS, Sciex QTRAP, Thermo Orbitrap, Python, R, Claude Code, Codex
1w
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Scientist II/Senior Scientist, Protein Sciences – Cell Binding Assays
Boston, Massachusetts, United States
$125k-$175k/yr OnsiteFull Time
Manifold Bio
Manifold Bio: Designing tissue-targeted protein therapeutics using AI and in vivo screening.
3+ YOEPhD with 3+ years (or MS with 8+ years) biotech/pharma experience, expertise in mammalian cell line engineering, FACS and cell-based assay development, antibody characterization, and independent experimental design.
FACS, Flow cytometry, Cell ELISA, SPR, BLI, Biacore, Octet

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