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Assay Development Jobs in California (NOW HIRING)

Senior Scientist, IVD Product Development

San Carlos, CA · On-site

$138K - $172K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Collaborate with other assay development scientists on the specifications of assay, reagent, equipment and quality metrics for future production assays * Work with Clinical Laboratory and Quality ...

Join our dynamic and fast-paced assay development team as an Associate Scientist supporting the Organ Health business unit. In this predominantly laboratory-based role, you will be crucial to the ...

Senior Scientist, Analytical Development

Fremont, CA · On-site

$100K - $136K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Support assay transfer to GMP labs and other client affiliated sites. * Develop, characterize, and maintain assay-ready cell lines and cell banks to support internal product development, custom assay ...

Senior Scientist, Analytical Development

Fremont, CA · On-site

$100K - $136K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Support assay transfer to GMP labs and other client affiliated sites. * Develop, characterize, and maintain assay-ready cell lines and cell banks to support internal product development, custom assay ...

Showing results 41-60

Assay Development information

See California salary details

$20

$38

$60

How much do assay development jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for assay development in California is $38.16, according to ZipRecruiter salary data. Most workers in this role earn between $27.98 and $45.53 per hour, depending on experience, location, and employer.

What are common challenges faced when developing new assays, and how can they be addressed?

Assay Development professionals often encounter challenges such as optimizing assay sensitivity and specificity, troubleshooting inconsistent results, and adapting protocols for high-throughput environments. These issues are typically addressed through systematic optimization of reagents and conditions, rigorous validation, and collaboration with cross-functional teams like R&D, quality assurance, and automation specialists. Clear documentation and regular team meetings also help in quickly identifying and resolving technical hurdles, ensuring the assay meets project goals and regulatory standards.

What are the key skills and qualifications needed to thrive in assay development, and why are they important?

To thrive in Assay Development, you need a solid background in biochemistry, molecular biology, or a related field, often supported by a relevant degree or advanced training. Familiarity with laboratory instrumentation, data analysis software, and validation protocols is typically required, along with experience in techniques like ELISA, PCR, or cell-based assays. Strong attention to detail, problem-solving abilities, and effective collaboration are crucial soft skills in this role. These competencies ensure the accuracy, reliability, and efficiency of assays, which are critical for research, diagnostics, and product development.

What is the difference between Assay Development vs Laboratory Scientist?

AspectAssay DevelopmentLaboratory Scientist
CredentialsBachelor's or Master's in Life Sciences, relevant certificationsBachelor's or Master's in Life Sciences, relevant certifications
Work EnvironmentResearch labs, biotech companies, pharmaceutical firmsResearch labs, hospitals, biotech companies
Industry UsageDesigning and optimizing assays for research and diagnosticsPerforming experiments, data collection, and analysis

Assay Development focuses on creating and optimizing diagnostic or research assays, while Laboratory Scientists perform experiments and analyze data within the lab. Both roles require similar educational backgrounds and often work in similar environments, but their core responsibilities differ in scope and focus.

What does an assay development scientist do?

An assay development scientist designs, optimizes, and validates laboratory tests to measure specific biological or chemical substances. They work with techniques such as ELISA, PCR, or spectrophotometry, often using specialized equipment and adhering to regulatory standards to ensure assay accuracy and reliability.

What is assay development?

Assay development is the process of designing and optimizing laboratory tests to detect or measure specific biological molecules, such as proteins, nucleic acids, or small compounds. It involves selecting appropriate techniques, reagents, and conditions to ensure accuracy, sensitivity, and reproducibility, often requiring knowledge of biochemistry and instrumentation. Assay development is essential in fields like diagnostics, drug discovery, and research to generate reliable data for decision-making.

What are the most commonly searched types of Assay Development jobs in California?

The most popular types of Assay Development jobs in California are:

What cities in California are hiring for Assay Development jobs?

Cities in California with the most Assay Development job openings:

Infographic showing various Assay Development job openings in California as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $79,367 per year, or $38.2 per hour.

Principal Scientist, Analytical Development

Artiva Biotherapeutics, Inc.

San Diego, CA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago


Job description

About Artiva:

We are a clinical-stage biotechnology company focused on developing natural killer (NK) cell-based therapies. Our mission is to develop effective, safe, and accessible cell therapies for patients with devastating autoimmune diseases. We aim to develop therapies that patients and physicians can utilize in a community setting. Our lead product candidate,AlloNK, is a non-genetically modified, cryopreserved NK cell therapy being evaluated in combination with B-cell targeted monoclonal antibodies (mAbs). We believe the compelling cell killing properties of NK cells, when combined with mAbs for targeting, creates an opportunity to generate potentially transformative therapies.

For more information, visitwww.artivabio.com.


Job Summary:

The incumbent will lead and set the strategic direction for the cell potency analytical development team to develop and optimize cell-based assays to support the characterization and release of our allogeneic, natural killer (NK) cell-based therapies. In this role, the incumbent will serve as the scientific subject matter expert for cell potency, defining the assay development strategy and directing the evaluation and development of new cell potency assay methods and product characterization for NK cell products. This role includes leading and mentoring a team of scientists and analysts within the cell potency group, providing scientific oversight of benchtop assay development, detailed documentation of methods and materials, authoring and reviewing SOPs/reports and communicating findings to the wider organization. This role will collaborate closely with R&D and Process Development teams to identify product attributes that advance optimal product development and assess function. They will also oversee/participate in assay optimizations, standardizations, and transfers to QC labs. This position will report directly to the Director, Analytical Development.

Duties/Responsibilities:

Lead and set the scientific strategy for the cell potency analytical development group, directing experimental design and execution to enable assay development, optimization, and characterization studies that enhance process and product understanding

Serve as the scientific subject matter expert for cell potency, setting long-term assay strategy and representing the function on cross-functional and project governance teams

Design and execute assay qualification and validation studies

Research and compare novel platforms to provide more optimal methods of characterizing in-process and final drug product

Lead, mentor, and develop scientists and analysts within the cell potency group, fostering their technical and professional growth

Develop assays to support process development, Clinical product release and stability, and product characterization needs.

Provide scientific and technical guidance to junior staff in the design and execution of laboratory experiments to generate high-quality data

Draft technical reports, standard operating procedures, and test protocols in support of analytical test method development

Author and review potency-related sections of regulatory submissions (e.g., IND/BLA) and support responses to health authority queries

Manage assay transfer to the Artiva QC team and external partners where applicable

Present data to cross functional team meetings to discuss findings and next steps


Requirements:

  • Ph.D. degree in a relevant scientific discipline (e.g., Immunology, Microbiology, Cell or Molecular Biology or Biochemistry) with 10+ years of industry experience in analytical development or equivalent demonstrable experience with analytical techniques.
  • Expertise in cell -based potency assay development; experience with NK and or CAR-T cells is highly desirable
  • Experience with assay validation highly preferred
  • In-depth experience in analytical techniques such as cell-based potency assays, flow cytometry, ELISA/MSD, and qPCR/ddPCR.
  • Excellent interpersonal, verbal, and written communication skills are essential.
  • Able to manage personnel and multiple projects in parallel, including key participation on multi-disciplinary project teams.
  • Demonstrated scientific leadership, including setting technical strategy, mentoring scientists, and influencing decisions across multidisciplinary teams.
  • Experience authoring analytical/CMC sections of regulatory submissions (e.g., IND/BLA) is preferred.
  • Attention to safety, good laboratory practice, and good documentation practice.
  • Experience in analytical development and testing in a Pharma/Biotech, regulated (GXP) environment is strongly preferred.
  • Experience in cell therapy, immunology, or oncology is preferred.
  • Experience with statistical programming or software (e.g., JMP) is a plus.


In addition to a great culture, we offer:

  • A beautiful facility
  • An entrepreneurial, highly collaborative, and innovative environment
  • Comprehensive benefits, including:
  • Medical, Dental, and Vision
  • Group Life Insurance
  • Long Term Disability (LTD)
  • 401(k) Retirement Plan
  • Employee Assistance Program (EAP)
  • Flexible Spending Account (FSA)
  • Paid Time Off (PTO)
  • Company paid holidays, including the year-end holiday week
  • Our recognition program, Bonus.ly, is where you can trade in points earned for things you want.

If all this speaks to you, come join us on our journey!

Base Salary: $ 170,000 - $185,000. Exact compensation may vary based on level, skills and experience.