Research Scientist in Radiopharmaceutical Imaging and Dosimetry

About Rapid

Radiopharmaceutical Imaging and Dosimetry, LLC (Rapid) is a precision medicine company founded in 2016 out of Johns Hopkins University. We develop advanced software and services to support imaging and dosimetry of radiopharmaceutical therapy (RPT)—a transformative approach to cancer care that delivers targeted radiation to tumors with unprecedented accuracy.

Our mission is to make cancer curable by enabling simplified, accurate, and standardized dosimetry—empowering clinicians to deliver individualized, evidence-based radiation doses for every patient.

Rapid is a fully remote, mission-driven company with a diverse and growing team dedicated to driving innovation at the intersection of medical imaging, dosimetry, and software development.

Position: Research Scientist – Radiopharmaceutical Imaging and Dosimetry

We are seeking a Research Scientist to lead and contribute to the development of new technologies and methodologies that advance the clinical use of RPT. This role involves applied research, algorithm development, and collaborative innovation across imaging physics, dosimetry, and software tools.
This is an outstanding opportunity to work at the forefront of a rapidly evolving field alongside a passionate team committed to changing the standard of cancer care.Responsibilities

• Lead and support projects developing and validating quantitative SPECT methods using data from conventional and novel scanner geometries
• Develop and validate algorithms for image- and organ-based radiation dose calculation
• Lead and support projects applying artificial intelligence to image reconstruction and dosimetry
• Collaborate with software engineers, clinicians, and external research partners to implement the algorithms and methods in products and services
• Contribute to scientific publications, white papers, and conference presentations
• Participate in the preparation of documentation for clinical validation and regulatory filings
• Stay informed on emerging trends and literature in the field

Required Qualifications

• PhD or MS in Medical Physics, Biomedical Engineering, Nuclear Medicine, or a related field
• Hands-on experience with quantitative imaging, radiopharmaceutical therapy, or internal dosimetry
• Proficiency in scientific programming (e.g., Python, C) and data analysis
• Strong foundation in medical imaging modalities (e.g., SPECT, PET, CT)
• Self-driven, well-organized, and effective at remote collaboration
• Excellent written and verbal communication skills

Preferred Qualifications

• Familiarity with clinical workflows and imaging protocols in nuclear medicine
• Publication record in nuclear medicine image reconstruction, AI, dosimetry, or RPT
• Experience contributing to regulated medical device development (e.g., FDA submissions)

Why Join Rapid?

100% remote – work from anywhere
Make a real impact in cancer treatment innovation
Collaborative, highly skilled, and mission-oriented team
Flexible hours and dynamic projects
Competitive salary and benefits package