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Assay Development Scientist Jobs in Seattle, WA (NOW HIRING)

Arzeda

Scientist, Protein Testing

Seattle, WA · On-site

$90K - $130K/yr

We are seeking a detail-oriented Scientist to join our highly collaborative Protein Testing team ... Using your knowledge of enzymology, analytical biochemistry, and assay development and ...

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$44

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How much do assay development scientist jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for assay development scientist in Seattle, WA is $44.02, according to ZipRecruiter salary data. Most workers in this role earn between $32.31 and $52.55 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 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.

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.

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What job categories do people searching Assay Development Scientist jobs in Seattle, WA look for? The top searched job categories for Assay Development Scientist jobs in Seattle, WA are:
Assay Development Scientist jobs near you
Infographic showing various Assay Development Scientist job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $91,571 per year, or $44 per hour.

Scientist - Electrochemical Enzyme Assay Development and Testing

Arzeda

Seattle, WA • On-site

$100K - $135K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 11 days ago

Job description

Scientist – Electrochemical Enzyme Assay Development and Testing
You must have electrochemistry background.
You must have enzymology experience.
Arzeda is solving some of today’s hardest and most meaningful problems – from food and nutrition to sustainable materials and homecare – by designing proteins that have the limitless potential to change everyone’s daily life. Our team has developed a proven technology platform that merges computational protein design, machine learning, and synthetic biology tools to produce proteins, enzymes, and bio-based processes more efficiently than Mother Nature. A deep tech, mission-driven company, we are passionate about our mission to design novel proteins and products that enhance our lives and protect our planet. At Arzeda, we value a strong desire to learn, innovate and be continuously challenged. 
We are seeking a detail-oriented Scientist to join our highly collaborative Protein Testing Team. You will play a critical role in the continued development of our enzyme engineering platform at Arzeda to rapidly screen and optimize enzyme functions by developing high-throughput, automation-ready assay workflows that accelerate enzyme screening, characterization, and experimental iteration.
Using your deep knowledge of electrochemistry, enzymology, including enzyme kinetics, protein characterization, analytical biochemistry, , and HT-assay development and troubleshooting you will contribute to impactful projects across the company.
Arzeda is located in Seattle, Washington.  Nestled among the historic and artistic neighborhoods of Ballard, Fremont and Queen Anne, you'll find the right balance of activities and relaxation.  Whether you're indulging your inner foodie at one of many unique restaurants, drinking a craft beverage after a day at the beach, or enjoying a picturesque walk through the Sunday Market, you'll be proud to call Seattle your home.
Responsibilities:
  • Develop robust high throughput enzyme assays for bioelectro-conversions or bioconversions.
  • Evaluate enzyme performance using electrochemical assays, and traditional enzyme assays, using absorbance, fluorescence, and HPLC/MS to detect and quantify products, cofactors, and reaction mediators.
  • Contribute to and become an owner of experimental design to drive efficient identification of enzymes with desired properties
  • Perform cell-free expression, and high-throughput or mid-scale protein preparation, as needed.
  • Design, optimize, and scale automation-compatible assay workflows to increase experimental throughput, reproducibility, and data quality.
  • Partner with automation, software, and data infrastructure teams to implement robotic liquid handling, assay orchestration, and streamlined data analysis pipelines.
  • Identify experimental bottlenecks and develop strategies to reduce assay cycle time and increase design-build-test-learn iteration speed.
  • Develop, optimize, and perform laboratory SOPs.
  • Interface with upstream (e.g., Protein Design, Strain Design, and Genetic Design-Build teams) and downstream teams and (Fermentation and Downstream Processing teams) for efficient data exchange and transfer of materials.
  • Operate and maintain electrochemistry equipment.
Qualifications:
  • Ph.D. in Bioelectrocatalysis, Biocatalysis, Biochemistry, Chemical Biology, Chemistry or other related field, or 4+ years of experience in a Masters or industry role.
  • In-depth knowledge and hands-on experience with enzyme characterization.
  • Experience developing enzyme assays, especially for biocatalysis or bioconversions.
  • Experience designing or operating automated experimental workflows and high-throughput assay systems strongly preferred.
  • Understanding of redox chemistry and thermodynamics.
  • Experience developing and characterizing enzymes and enzyme-electrode interfaces including direct and/or mediated electron transfer using spectroscopic and electrochemical methods.
  • Understanding of Marcus and Butler-Volmer theory pertaining to electrocatalysis, ideally additionally familiar with hydride transfer theory and electrochemical impedance spectroscopy.
  • Experience working in a glovebox/bag.
  • Experience evaluating data sets, putting together reports, and presenting findings and/or results from data analysis.
  • Desire to communicate openly within a team and be receptive to feedback and learning opportunities.
  • Adaptable to changing plans as needed to meet goals.
Nice-to-haves (not required, but team members who do well here happily grow in these areas):
  • Python and/or R
  • Hands-on experience with automation equipment
  • Understanding of HPLC or LC/MS for small molecules and proteins.
Arzeda compensation and benefits include:
  • Base salary of $101,000 to $140,000 depending on experience
  • Comprehensive compensation package, to include equity
  • Paid time off; company-observed holidays to include a company paid holiday closure between Dec 25 and Jan 1; and paid medical/family leave
  • Excellent medical, dental, and vision insurance to include options for Health Savings Accounts
  • 401(k) retirement savings plan
  • Commuter benefits
Legal authorization to work in the United States is required. Arzeda will not sponsor a new H1-B visa. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

Arzeda is an equal opportunity employer promoting diversity and inclusion in the workspace. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical conditions, veteran status, sexual orientation, gender (including gender identity and gender expression), sex (which includes pregnancy, childbirth, and breastfeeding), genetic information, taking or requesting statutorily protected leave, or any other basis protected by law.

Legal authorization to work in the United States is required. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

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About Arzeda

Sourced by ZipRecruiter

Industry

Biotechnology research and development

Company size

11 - 50 Employees

Headquarters location

Seattle, WA, US

Year founded

2008

Social media

Twitter

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