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Freelance Assay Development Scientist Jobs (NOW HIRING)

Assay Development Scientist

Portland, OR · On-site

$37.50 - $47/hr

As our Assay Development Scientist , you will be the primary architect of our internal molecular biology toolkit, transforming cutting-edge academic and commercial protocols into robust, highly ...

Assay Development Scientist

Portland, OR · On-site

$37.50 - $47/hr

As our Assay Development Scientist , you will be the primary architect of our internal molecular biology toolkit, transforming cutting-edge academic and commercial protocols into robust, highly ...

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How much do freelance assay development scientist jobs pay per hour?

As of May 28, 2026, the average hourly pay for freelance 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 are the key skills and qualifications needed to thrive as a Freelance Assay Development Scientist, and why are they important?

To thrive as a Freelance Assay Development Scientist, you need a strong background in biochemistry, molecular biology, or a related field, often with an advanced degree and practical laboratory experience. Familiarity with analytical instruments (such as HPLC, ELISA, or PCR), data analysis software, and quality control standards is typically required. Excellent problem-solving skills, self-motivation, and effective communication are crucial for managing projects independently and collaborating with clients. These capabilities ensure the development of reliable assays, client satisfaction, and the ability to adapt to varied project requirements in a competitive freelance environment.

What are some common challenges freelance assay development scientists face when managing multiple client projects?

Freelance assay development scientists often juggle several projects with varying requirements and timelines. A common challenge is balancing the need for clear communication with clients while maintaining rigorous documentation and data integrity across different assays. Additionally, freelancers must be adept at troubleshooting unexpected technical issues independently and quickly adapting methods to meet each client's unique specifications. Effective time management and transparent updates are key to building trust and ensuring project success.

What is a Freelance Assay Development Scientist?

A Freelance Assay Development Scientist is an independent scientific professional who specializes in designing, optimizing, and validating assays for research, diagnostics, or drug development projects. Unlike in-house scientists, freelancers typically work on a contract basis for multiple clients, providing expertise in assay development across various platforms such as ELISA, PCR, or cell-based assays. Their responsibilities may include troubleshooting existing assays, developing new methodologies, and ensuring that assays meet required sensitivity, specificity, and reproducibility standards. This role requires strong analytical skills, knowledge of relevant technologies, and the ability to work autonomously. Freelance assay development scientists often collaborate remotely with research organizations, biotech companies, and academic institutions.
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What job categories do people searching Freelance Assay Development Scientist jobs look for? The top searched job categories for Freelance Assay Development Scientist jobs are:
Infographic showing various Freelance Assay Development Scientist job openings in the United States as of May 2026, with employment types broken down into 93% Full Time, and 7% Part Time. Highlights an 86% In-person, 7% Hybrid, and 7% Remote job distribution, with an average salary of $80,420 per year, or $38.7 per hour.
Diagnostic Assay Development Scientist

Diagnostic Assay Development Scientist

Versiti, Inc.

Milwaukee, WI

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago


Versiti rating

6.0

Company rating: 6.0 out of 10

Based on 43 frontline employees who took The Breakroom Quiz

708th of 864 rated healthcare providers


Job description

Overview

Versiti is a fusion of donors, scientific curiosity, and precision medicine that recognize the gifts of blood and life are precious. We are home to the world-renowned Blood Research Institute, we enable life saving gifts from our donors, and provide the science behind the medicine through our diagnostic laboratories. Versiti brings together outstanding minds with unparalleled experience in transfusion medicine, transplantation, stem cells and cellular therapies, oncology and genomics, diagnostic lab services, and medical and scientific expertise. This combination of skill and knowledge results in improved patient outcomes, higher quality services and reduced cost of care for hospitals, blood centers, hospital systems, research and educational institutions, and other health care providers. At Versiti, we are passionate about improving the lives of patients and helping our healthcare partners thrive.

Position Summary

The Diagnostic Assay Development Scientist is primarily responsible for researching, performing, and interpreting experiments, in a cross-functional collaborative environment with moderate direction from leadership, to support the design and development of diagnostic assays offered by the organization (primarily focused on the transfusion medicine, transplant, and hematology fields). The Scientist also leverages their subject matter expertise and experience to troubleshoot and improve current diagnostic assays performed by the organization and to evaluate new potential technologies to implement within the testing environment. The Scientist may also support the training and professional development of other members of the department. This role may be associated with supporting one or more specific internal clinical testing laboratories (e.g., Immunohematology Reference, Histocompatibility, or Diagnostic Hematology).

Total Rewards Package

CompensationThe target salary is based on internal averages. Versiti sets salary ranges aligned to local markets in which the job is performed. Compensation decisions take into account internal salary averages and differentiation based on education, experience, skills, and performance. Specific salary and benefits information is shared at the time of the phone screening based on your location and qualifications.BenefitsVersiti provides a comprehensive benefits package based on your job classification. Full-time regular employes are eligible for Medical, Dental, and Vision Plans, Paid Time Off (PTO) and Holidays, Short- and Long-term disability, life insurance, 7% match dollar for dollar 401(k), voluntary programs, discount programs, others.

Responsibilities
  • Assay Design, Development, Validation & Launch. Collaborates with laboratory leadership to propose new and modified laboratory developed tests (LDTs) and prioritize ideation, feasibility, development, design transfer, validation, and launch. In specific cases, may serve as a champion for innovative diagnostic assay concepts. Supports the evaluation of project needs and the planning and performance of tasks, ensuring project completion within designated timeframes and meeting all Versiti and regulatory requirements. Provides technical input to and supports laboratory staff in the execution of delegated assay-related activities. Performs and interprets experiments independently and presents findings to team members and stakeholders. Prepares and/or assists in the preparation of assay-/project-related documentation (such as design control documents, SOPs, regulatory agency submissions) in accordance with organizational policies/procedures and regulatory requirements.
  • Troubleshooting, Optimization & Continuous Improvement. Leverages technical experience and expertise to partner with laboratory leadership and staff to identify and correct performance-related aspects of existing assays. Identifies opportunities for improving assays (reduced turnaround time, reduced cost, etc.) and operational workflows.
  • Technology Innovation and Knowledge Maintenance. Maintains an understanding of current trends in lab practices and business climate, relevant to the organization's clinical focus and applies the acquired knowledge and skills in contributing to the structure and planning of projects. Reviews and applies relevant scientific and clinical literature in supporting strategy decisions. Engages with vendors to identify and evaluate new and/or improved technologies which can support the ongoing and future-state testing capabilities of the laboratories. May represent organization at scientific conferences (requiring occasional domestic and/or international travel), serving in both the role of presenting new research findings/assay offerings as well as in identifying opportunities for new technologies and assay development.
  • Training & Instruction. Serves as a technical resource for lab(s) in areas of specialized expertise. Trains clinical laboratory staff on execution of new and modified assays to be validated and implemented; includes relevant and applicable methodology and associated aspects critical to assay execution (equipment, software, documentation, etc.). Serves as a subject matter expert on specific projects and provides technical input for other members of department.
  • Collaboration with Internal and External Parties. Represents assay development team at select internal planning, strategy and logistics meetings. Collaborates in a cross-functional manner with other scientists, clinicians, laboratory operations staff, and support groups (e.g., Information Systems, Marketing, Business Development, Bioinformatics) to advance assay development projects through effective communication and adherence to project timelines. Collaborates with internal (i.e., other divisions of the organization) and external (i.e., clients and collaborators) technical liaisons to support and promote technology assessments and assay development research and execution (which may include development, validation and launch activities described above); facilitates technology transfer into lab(s), as necessary. Supports the efforts of key departmental point(s) of contact for these partnerships; in certain circumstances, may serve as the key point of contact. Occasional domestic travel may be associated as part of this responsibility.
  • Costing and Budgeting. Assists laboratory management in the development of annual operating and project-specific budgets. Supports Marketing, Business Development, Finance and related departments in establishing assay costing and business case analyses for current and future tests and procedures.
  • Specialized Testing and General Lab Operations. Performs specialized testing for laboratory-specific research, clinical testing, contract research, and other special projects, as needed. Supports day-to-day operations of department (equipment maintenance, document management, supply ordering, etc.).
  • Performs other duties as required or assigned which are reasonably within the scope of the duties in this job classification
  • Understands and performs in accordance with all applicable regulatory and compliance requirements
  • Complies with all standard operating policies and procedures
Qualifications

Education

  • Bachelor's Degree from an accredited college or university in biology, chemistry, molecular biology, immunology, clinical laboratory science, medical technology, or related field; AND 4+ years of relevant laboratory experience required
  • Master's Degree of Science from an accredited college or university in biology, chemistry, molecular biology, immunology, clinical laboratory science, medical technology, or related field preferred
  • PhD from an accredited college or university in biology, chemistry, molecular biology, immunology, clinical laboratory science, medical technology, or related field preferred

Experience

  • 4-6 years Experience with new test development and assay troubleshooting in one or more of the following techniques/methodologies: nucleic acid work (DNA/RNA extraction, PCR/digital PCR, DNA/RNA sequencing [including next-generation sequencing], etc.); serologic and/or immunologic assays (ELISA, chemiluminescence, bead-based, etc.) required
  • 4-6 years Experience working within defined Quality Management Systems, including formal validation and documentation policies and procedures required
  • 1-3 years Experience serving as a subject matter expert (SME) to laboratory staff and/or other labs/departments (including training of/knowledge transfer to other personnel [e.g., SOP creation and training] required
  • 4-6 years Experience in converting assays to new platforms (i.e., improved technology; high-throughput; etc.) preferred
  • 1-3 years Prior experience mentoring scientific staff from a technical perspective, in a direct or indirect reporting relationship; AND/OR 4-6 years prior experience contributing to daily laboratory operations preferred
  • 1-3 years Familiarity with and understanding of regulations related to CAP/CLIA (College of American Pathologists/Clinical Laboratory Improvement Act), and quality assurance concepts/practices preferred

Knowledge, Skills and Abilities

  • Demonstrated ability, under moderate supervision from leadership, to design and execute experimental plans and to evaluate and ensure accuracy of data related to laboratory results required
  • Strong detail orientation and analytical ability. Effective time management and organizational skills. Capable of planning, prioritizing and executing a broad base of laboratory functions and experiments, often across multiple simultaneous projects and with moderate oversight. required
  • Able to deliver on organizationally-defined timelines and effectively communicate progress, challenges, etc. to stakeholders. Effective oral and written communication skills for both scientific and non-scientific audiences. required
  • Ability to often work independently as well as part of cross-functional teams required
  • Demonstrated decision-making, problem-solving, troubleshooting skills required
  • Knowledge of good laboratory practices and quality systems required
  • Previous experience with Laboratory Information Management Systems preferred
  • Demonstrated project management experience preferred

Tools and Technology

  • Personal Computer (desktop, laptop, tablet) required
  • General office equipment (computer, printer, fax, copy machine) required
  • Microsoft Suite (Word, Excel, PowerPoint) required
  • Automated DNA sequencers, q/dPCR instrumentation, spectrophotometers, flow cytometer, DNA arrays, multi-well plate readers and washers, pipets, centrifuges, photo documentation, automated liquid handling systems required
Employment Type: FULL_TIME

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