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Synthetic Organic Chemist - Contractor

Manufacturing         Location: Seattle, United States

Posting Reference: P20240231


Position at GelbChem

GelbChem is a growing biotech company specializing in reagents for screening and diagnosis of genetic disorders. As the innovators of predominant technologies in the field, we are passionate about providing the most scientifically sound, up-to-date, and cost-effective methodologies for Newborn Screening research and diagnostics. We back our products with comprehensive, personalized customer service from our team of experts in the fields of enzymology, mass spectrometry, analytical biochemistry, and synthetic chemistry. We believe each team member is essential to making a difference in Newborn Screening technologies and in the lives of children and their families across the globe.


Join our team as a Synthetic Chemist in a project-based contract role. As a key contributor, you will be responsible for the synthesis of chemical materials essential for our enzyme activity screening products. This position offers a dynamic opportunity to showcase your synthetic chemistry expertise, with compensation based on the successful completion of each project. This project-based role allows for flexibility in working hours, empowering you to decide the schedule that suits your needs, whether full-time or part-time.

Principal Responsibilities

  • Execute synthetic chemistry processes to manufacture specified chemical materials (small organic molecules) in gram scale, purify and characterize products by NMR, mass spectrometry, etc.

  • Adhere to project timelines and deliver high-quality synthesized products.

  • Collaborate with project stakeholders to understand material specifications and project requirements.

  • Document and report synthesis procedures, ensuring clarity for reproducibility.

  • Work within the Company’s quality management system and collaborate with team members in an engaging environment.

  • Implement safety protocols and maintain a clean and organized laboratory workspace.

Required Qualifications

  • PhD in Chemistry with a focus in Synthetic Organic Chemistry.

  • Proven experience in synthetic chemistry, particularly in the synthesis of specified organic compounds.

  • Strong understanding of chemical principles, reaction mechanisms, and purification techniques.

  • Ability to work independently and efficiently to meet project deadlines.

  • Excellent documentation and communication skills.

Contract Details

This position is project-based, and compensation will be determined based on the quantity and quality of materials synthesized. Payment will be made upon successful completion of each project milestone. The contract offers a unique opportunity to contribute to cutting-edge projects in a flexible and collaborative environment. Kindly note that this contract position does not include health insurance or additional benefits typically associated with full-time employment. The engagement is project-based, and compensation is structured accordingly.

  • Flexible working hours to accommodate your schedule.

  • Access to company-provided facilities, reagents, and materials necessary for completion of the project.

Application Process

Interested candidates should submit a resume, cover letter, and a portfolio of relevant work to Please include details of your experience in synthetic chemistry and highlight any previous project-based work.


GelbChem is an equal opportunity employer. All qualified applications will receive consideration for employment without regard to race, age, gender identity, sexual orientation, color, religion, sex, marital status, national origin, protected veteran status, disability status, or any other status protected by federal, state, or local law.


This is a contract position, and the successful candidate will be engaged on a per-project basis. The contract does not imply a long-term employment commitment, and payment is contingent upon the successful completion of each project milestone.

To apply, please send your resume and cover letter to

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