Research Associate – Molecular Assay Development (Digital PCR)

CareDx is a leading precision medicine diagnostics company advancing care in transplant, specialty oncology, and cell therapy. Through our innovative portfolio of molecular diagnostics, digital health solutions, AI-powered data and analytics, and patient support services, we partner with healthcare providers, patients, and biopharma organizations to help inform clinical decision-making and improve patient outcomes. Within CareDx's Specialty Oncology business, we are focused on improving the management of HPV-driven cancers through innovative diagnostic solutions. NavDx®, our blood-based DNA test, helps clinicians detect molecular signs of disease recurrence, monitor treatment response, and guide patient management throughout the care journey. Our team is committed to expanding access to actionable insights that support more informed cancer care. CareDx is seeking a highly motivated Research Associate (contract position) with demonstrated expertise in digital PCR (dPCR/ddPCR) to join our Specialty Oncology Research & Development team in Waltham, Massachusetts. The successful candidate will support the development, optimization, and execution of molecular assays supporting liquid biopsy and oncology diagnostic programs. This is a highly hands-on laboratory position, with approximately 80–90% of the time spent at the bench performing experiments, generating high-quality data, troubleshooting assays, and supporting technology development initiatives. The ideal candidate has at least 3 years of hands-on experience designing, executing and analyzing digital PCR experiments and is passionate about translating molecular biology technologies into innovative diagnostic solutions. This is a contract position with the potential to be converted to a full-time role. It is scheduled for 40 hrs/week. The assignment runs for 6 months, with potential to convert to full-time. Hourly Rate: $38/hour Essential Responsibilities • Execute digital PCR experiments with guidance from scientific staff supporting assay development, optimization, verification, and feasibility studies. • Perform sample processing and molecular biology workflows including nucleic acid extraction, quantification, preparation, and quality assessment. • Generate high-quality experimental data while maintaining thorough documentation in laboratory notebooks and electronic systems. • Perform initial data analysis and summarize results for review by scientific leadership. • Assist with troubleshooting assay performance issues and contribute to continuous improvement of laboratory workflows. • Assist in the design and execution of experiments under the guidance of scientific leadership. • Maintain laboratory instruments, reagents, consumables, and inventory. • Prepare experimental summaries and contribute to technical reports, protocols, and standard operating procedures. • Collaborate closely with scientists and cross-functional team members to achieve project objectives. • Ensure compliance with laboratory safety practices and quality standards. Required Qualifications • Bachelor's degree in Molecular Biology, Cell Biology, Genetics, Biochemistry, Biotechnology, or related scientific discipline. • Minimum 3 years of hands-on laboratory experience performing digital PCR (dPCR or ddPCR) in an academic, biotechnology, diagnostics, or pharmaceutical environment. • Demonstrated experience operating digital PCR instrumentation and associated data analysis software. • Understanding of nucleic acid-based assay workflows and PCR principles. • Experience performing DNA and/or RNA extraction and quantification. • Proven ability to independently execute experiments. • Excellent organizational skills and attention to detail. • Strong written and verbal communication skills. • Ability to operate effectively within a small, fast-paced R&D environment. Preferred Qualifications The following experience is highly desirable but not required: • cfDNA or liquid biopsy assay development. • qPCR assay…