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Assay Development Scientist Jobs (NOW HIRING)

GrapheneDx

Research Scientist, Assay Development

Boston, MA · On-site

$85K - $120K/yr

The Research Scientist in Assay Development will design and execute experiments to functionalize sensors with nucleic acid or antibody probes for biomarker detection, contributing to the development ...

Predicta Biosciences

R&D Scientist

Cambridge, MA · On-site

... D Scientist who will lead assay development efforts spanning flow cytometry and NGS technologies ... This individual will play a key role in developing assays for the characterization of tumor and ...

PREDICTA BIOSCIENCES INC

R&D Scientist

Cambridge, MA · On-site

... D Scientist who will lead assay development efforts spanning flow cytometry and NGS technologies ... This individual will play a key role in developing assays for the characterization of tumor and ...

Predicta Biosciences

R&D Scientist

Cambridge, MA · On-site

... D Scientist who will lead assay development efforts spanning flow cytometry and NGS technologies ... This individual will play a key role in developing assays for the characterization of tumor and ...

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How much do assay development scientist jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for assay development scientist in the United States is $38.66, according to ZipRecruiter salary data. Most workers in this role earn between $28.37 and $46.15 per hour, depending on experience, location, and employer.

What is an assay development scientist?

An Assay Development Scientist designs, optimizes, and validates biochemical and cell-based assays for drug discovery, diagnostics, or research applications. They work with a variety of techniques such as ELISA, PCR, and high-throughput screening to measure biological or chemical responses. Their role involves troubleshooting, data analysis, and collaboration with cross-functional teams to ensure assay accuracy and reproducibility.

What does an assay development scientist do?

A typical day for an Assay Development Scientist involves designing experiments, running and optimizing biochemical or cell-based assays, analyzing data, and documenting results. You will often collaborate closely with cross-functional teams, including research scientists, project managers, and quality assurance specialists, to ensure assays meet project requirements. Regular meetings to discuss progress, troubleshoot technical challenges, and plan next steps are common. The role also involves staying up-to-date with new technologies and industry standards to continuously improve assay performance.

What are the key skills and qualifications needed to thrive as an assay development scientist?

To thrive as an Assay Development Scientist, you need a strong background in biochemistry, molecular biology, or a related field, along with experience in assay design, optimization, and validation. Proficiency with laboratory instrumentation such as plate readers, liquid handlers, and data analysis software (e.g., GraphPad Prism or SoftMax Pro), as well as familiarity with regulatory guidelines, is often required. Effective problem-solving, meticulous attention to detail, and strong communication skills set exceptional candidates apart. These abilities ensure the successful development of reliable assays, facilitate collaboration with interdisciplinary teams, and support impactful scientific advancements.

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Assay Development Scientist jobs near you
Infographic showing various Assay Development Scientist job openings in the United States as of August 2026, with employment types broken down into 83% Full Time, and 17% Temporary. Highlights an 100% In-person job distribution, with an average salary of $80,420 per year, or $38.7 per hour.

Senior Scientist I - IVD Assay Development

Alamar Biosciences

Fremont, CA • On-site

$100K - $136K/yr

Full-time

Re-posted 5 days ago

Job description

Position Summary 

The Senior Scientist I - IVD Assay Development will lead the design, development, optimization, and validation of in vitro diagnostic assays for clinical applications. This role requires hands-on laboratory work, regulatory compliance, and cross-functional collaboration to ensure successful product development and commercialization. 

Duties and Responsibilities 

  • Develop IVD assays for FDA and other global regulatory approval/clearance 
  • Design and execute experiments to develop IVD assays and establish assay performance specifications (sensitivity, specificity, reproducibility) 
  • Optimize and  troubleshoot assays to meet performance expectations 
  • Transfer assay designs to tech transfer and manufacturing; define QC measures and support scale-up activities 
  • Work closely with Quality, Regulatory Affairs, Engineering/Software, Product Management, Tech Transfer, and Manufacturing to meet program milestones and commercialization readiness 
  • Participate in technical discussions and project meetings
  • Design and execution of verification and validation (V&V) studies, including all testing and documentation 
  • Perform data analysis and generate study reports suitable for regulatory review 
  • Identify and troubleshoot assay or process issues, recommend solutions, and contribute ideas for assay and process improvements 
  • Stay current on relevant technological and scientific advancements through literature review and evaluation of emerging technologies 
  • Perform other duties as required 

Qualifications 

  • Ph.D. or M.S. in Biochemistry, Molecular Biology, Immunology, or related fields. 
  • 5+ years in IVD assay development and validation. 
  • Hands-on experience with immunoassay formats (ELISA, chemiluminescent), and/or molecular techniques (qPCR, sequencing). 
  • Strong knowledge of regulatory frameworks (FDA 21 CFR Part 820, ISO 13485).  
  • Proficiency in data analysis tools (Excel, GraphPad Prism, or statistical software).  

The base salary range for this full-time position is $150,000 - $165,000 + bonus + equity + benefits. Our salary ranges are determined by work location, job-related skills, experience, and relevant education or training. The ranges displayed on each job posting reflect the minimum and maximum target for new hire salaries but are subject to change if the leveling of the role is adjusted. Your recruiter can share more about the specific salary range during the hiring process. 

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