Scientist I/II, Modality Engineering

New York, New York · On-site · Full time · Pre-clinical

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About the role

Role Summary Lexeo is hiring a hands-on Modality Engineering Scientist to design, synthesize, and characterize oligonucleotides, bioconjugates, and AAV therapeutics for our discovery pipeline. The scientist will advance molecules from design through analytical characterization and handoff to in vitro and in vivo teams, working across chemistry, molecular biology, and pharmacology. Reporting to the Head of Cardiac Research, this role joins cardiac, neuroscience, and non-clinical scientists developing therapies for genetic heart disease and offers broad experience in multidisciplinary biopharma research.