Scientist I, Biochemistry & Lead Discovery

THE ROLE

FL111 is seeking an independent and motivated lab scientist with deep understanding of biochemical and biophysical assay design to join the Biochemistry team. This role will lead assay development, target engagement studies, and binding characterization for small molecules, heterobifunctionals, and related modalities, working closely with chemistry and biology to inform hit-to-lead optimization and mechanism-of-action questions. This role also contributes to team leadership, cross-functional collaborations, and broader scientific discussions that support organizational growth.

KEY RESPONSIBILITIES

• Lead and execute biochemical assay development to monitor protein/ligand and protein/protein interactions
• Apply readout technologies such as FP, FRET, NanoBRET, or NanoBiT across active programs
• Drive protein purification and QC processes to support ongoing discovery efforts
• Set up and run high-throughput assays, troubleshooting independently to keep programs moving
• Partner with contract research organizations as needed to extend internal capacity
• Collaborate cross-functionally and contribute scientific input across multiple concurrent projects

PROFESSIONAL EXPERIENCE & QUALIFICATIONS

• MS or PhD in Biochemistry, Chemical Biology, Enzymology, or a related field
  • MS and at least 8 years of relevant academic or industry experience
  • PhD and 0-2 years of relevant academic or industry experience
• Deep understanding of protein chemistry and biophysics, with hands-on experience working with small-molecule compounds
• Demonstrated ability to develop and troubleshoot biochemical assays independently
• Excellent communication skills and the ability to work cross-functionally
• A high degree of scientific independence, motivation, and solutions-oriented thinking
• Comfort operating in a fast-paced environment with shifting priorities
• Experience working with CROs is a plus

Location: Cambridge, MA

The salary range for this role is $100,000 - $126,500. Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience. FL111 currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on FL111's good faith estimate as of the date of publication and may be modified in the future.