Hims & Hers
Senior Scientist, R&D - Assay Development
$125K–$140K
South Plainfield, New Jersey · On-site · Senior · Full-time · Posted Aug 14, 2026
- Experience
- 4+ years with a PhD; 7+ years with a Master’s degree; or 10+ years with a Bachelor’s degree.
- Education
- PhD in Clinical Chemistry, Biochemistry, Analytical Chemistry, Molecular Biology, or related field; or Master’s degree; or Bachelor’s degree.
About the job
Develops and validates diagnostic assays for traditional and at-home testing, then supports their transfer into clinical laboratory operations.
What you'll do
- Design, optimize, and validate immunoassays and support LC-MS/MS method development, including specimen stability and performance studies.
- Run laboratory testing, analyze assay performance data, and prepare protocols, SOPs, validation summaries, and technical reports.
- Collaborate with Quality and Clinical Laboratory Operations on regulatory documentation, inspections, and assay implementation.
What they ask for
- PhD in a related field with 4+ years, or Master’s degree with 7+ years, or Bachelor’s degree with 10+ years of relevant diagnostic or clinical laboratory bench experience.
- Hands-on immunoassay development experience, including singleplex and multiplex formats.
- LC-MS/MS experience, including sample preparation and method validation; experience with capillary and venous blood specimens.
- Experience leading assay validation and verification studies and applying DOE and statistical methods to assay development.
Nice to have
- Experience in a CAP and/or CLIA regulated laboratory or at-home/point-of-care testing programs.
- Experience with dried blood spot workflows, emerging wellness biomarkers, or NGS workflows.
Pay
$125K – $140K (USD, base salary)
Tools
ELISA, LC-MS/MS, SCIEX 4500MD, Roche Cobas Pro, Sysmex, Tasso, YourBio Health, NGS
Model-written summary · the original posting is authoritative