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Research Scientist, Assay Development

GrapheneDx

Boston, MA 02210 • $85,000 to $120,000 / yr • 9/21/2026

Job Description

Job Description

About GrapheneDx:GrapheneDx is a new diagnostics technology companywith a mission to transform consumer diagnostics.Ouremployees gain experience in a multidisciplinary,fast-paced start-up and haveample opportunitiestoacquirenew skills, engage with emerging technologies,and collaborateclosely withanaccomplished team,all withinin a supportive and energetic environment.

GrapheneDx offers acompetitivecompensation package including base salary,performancebonuses, paid time off, health and dental benefits, and excellent growth opportunities.

GrapheneDx is seeking a ResearchScientistwho will apply theirexpertisetoadvance ourR&Deffortsin biosensordevelopmentand communicatevaluableinsights to a highly collaborative and dynamic team.

Summary:The Research Scientist in Assay Development will design and execute experiments to functionalize sensors with nucleic acid or antibody probes for biomarker detection, contributing to the development of a groundbreaking, point-of-care diagnostic platform. Collaborating closely with a senior scientist and a cross-functional team of materials scientists, electronicsengineers, and data scientists, this role drives forward a disruptive diagnostic technology poised to redefine the field.

Key Duties and Responsibilities:

  • Drive the development of a novel GFET-based point-of-care diagnostic platform.
  • Design, execute, andoptimizeexperiments for biomarker detection,including feasibility, pilot, and process optimization studies.
  • Perform data analysis, critically interpret results, and preparereports and presentations tailored to the needs andexpertiseofinternal and external stakeholders.
  • Collaborate with a cross-functional team of scientists and engineers to design experiments aligned with R&Dobjectives, ensuring sensor technology integration into scalable diagnostic solutions.
  • Document, refine, andoptimizeprotocols, creating actionable plans to improve processes and advance R&D milestones
  • Identifyand troubleshoot technical challenges,contributingto regulatory documentation,and ensureprotocol compliance where relevant.

Essential Experience:

  • Ph.D. in Biochemistry, Biology, Chemistry, Electrochemistry, Biophysics, or a related discipline, or aMaster’sdegree with 1-5 years of relevant academic or industry experience.
  • Proven experience in creating and developingbiosensorimmunoassays and/or nucleic acid detection assays through probe hybridization.
  • Strong problem-solving skills, with the ability toidentifychallenges and propose alternative approaches.
  • Excellent organizational and analytical skills, including the ability to summarize and translate data into actionable plans.
  • Effective oral and written communication skills to convey technical information to both supervisors and team members.

Desirable Experience:

  • Experience with non-optical-,electrical-, or electrochemical-based sensors, especially graphene-basedor carbon nanotube-basedsensing platforms.
  • Experience functionalizing GFETs with biological probes, such as nucleic acids or antibodies, to enable biomarker detection.
  • Experience definingand improvingbiosensor performance metrics, such as sensitivity, specificity, limit of detection (LOD),and other industry-standard used to quantify biosensor efficacy and reliability.
  • Proficiencyin coding or data visualization using Python,Origin,and/or Minitab for data analysis andvisualization.