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Freelance Assay Development Scientist Jobs (NOW HIRING)

Natera

Staff Scientist, R&D

Austin, TX

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

Natera

Associate Scientist, R&D

Austin, TX · On-site

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

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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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Freelance Assay Development Scientist jobs near you
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.

Staff Scientist, R&D

Natera

Austin, TX

Other

Posted 20 hours ago

Natera rating

7.7

Company rating: 7.7 out of 10

Based on 35 frontline employees who took The Breakroom Quiz

47th of 103 rated laboratories

Job description

POSITION SUMMARY:

We are looking for a highly motivated Staff Scientist within the Molecular Biology product development team to join a cross-functional team of scientists who are tasked with developing and advancing Natera's oncology product portfolio.

The Staff Scientist will be working with internal cross functional teams and investigating the feasibility of applying a variety of scientific principles and concepts to oncology diagnostics and monitoring space. The ideal candidate is a driven professional who maintains broad knowledge of state-of-the-art principles and theories with an in-depth understanding of applicability to oncology research.

We are looking for a meticulous and dedicated scientist with experience in both NGS assay development and high throughput automation that can work effectively in a fast-paced environment to ensure that the highest quality clinical assays are developed and launched for our patients.

PRIMARY RESPONSIBILITIES:

  • Lead technical projects and associated timelines and deliverables in NGS-based assays as a subject matter expert. Represent the biodevelopment group in cross-functional project teams
  • Design, develop, and validate automated high-throughput NGS assays that will be run in a commercial CLIA laboratory
  • Mentor junior employees
  • Design and execute high complexity experiments and perform data analysis (e.g. JMP, Python, R, Excel)
  • Collaborate with assay development scientists on the specifications of assay, reagent, equipment and quality metrics for existing and future production assays
  • Work with Clinical Laboratory directors and Quality Assurance to ensure that developed methods meet Natera's rigorous quality standards
  • Coordinate with multiple internal groups (automation engineering, laboratory operations, bioinformatics, statistics, project and product management) and serve as point person to ensure the successful identification and timely execution of projects
  • Write documentation and SOPs, and train lab operations operators on protocols. Oversee validation activities
  • Participate in post-launch surveillance by troubleshooting production issues, performing root cause analysis on automation, reagent, peripheral equipment and assay failures
  • Identify areas for continuous improvement and actively contribute to the effort of introducing better practices to improve production workflows and shorten TAT for patient samples

QUALIFICATIONS:

  • MS with 10 years or PhD with at least 7+ years of experience in assay development and automation for the life science industry
  • Demonstrated track record of development and validation of automated protocols for CLIA labs

KNOWLEDGE, SKILLS, AND ABILITIES:

  • Experience developing, implementing, optimizing, and troubleshooting high-throughput automated assays utilizing liquid handler robots
  • Strong understanding of the chemistry underlying nucleic acid extraction, NGS library preparation, and hybrid capture technologies
  • Strong individual contributor as well as dedicated team player
  • Experience designing and executing studies including stability, guard banding, reproducibility and repeatability, and validation
  • Experience working in a regulated laboratory environment under CLIA/CAP, NYSDOH, IVD is a plus
  • Data analysis (JMP) required, coding skills (Python or R), and liquid handler programming experience are a plus
  • Excellent communication, organizational, record-keeping, planning, attention to detail and time management skills
  • Ability to collaborate cross-functionally with other groups (CLIA, LIMS, lab operations QA, Automation, Research)

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