Senior Scientist I/II, Biomolecular Characterization

  • BigHat Biosciences
  • San Mateo, California
  • Full Time
Senior Scientist I/II, Biomolecular Characterization

Department: Lab Science

Employment Type: Full Time

Location: San Mateo, CA

Reporting To: Sayantan Mitra

Compensation: $187,000 - $237,000 / year

Description The Role: BigHat Biosciences is seeking an exceptional individual for a Senior Scientist I/II, Biomolecular Characterization* role to drive characterization of in vitro antibody-target binding behavior.
*At BigHat we believe in titles that are commensurate with skill set, relative organizational impact, and value contribution; more or less experienced candidates are encouraged to apply, with the understanding that responsibilities and title would adjust as appropriate.
Key Responsibilities
  • Individual contribution at the bench with strong cross-functional collaboration with scientists, ML/DS, and program teams.
  • Develop, optimize, and implement high- and low-throughput state-of-the-art strategies to characterize the interactions between antibody and antigen using biolayer interferometry (BLI) and surface plasmon resonance (SPR).
  • Design and perform epitope binning assays to cluster antibodies into functional families.
  • Source, develop, and validate competitive binding/blocking assays to triage candidate antibodies.
  • Collaborate closely across with BigHat science organization to accelerate hits from discovery through lead optimization and candidate nomination.
  • Effectively synthesize and communicate results and research activity to key decision makers and the broader BigHat team, as well as to external partners.


Skills Knowledge and Expertise
  • M.Sc/Ph.D. in molecular or cell biology, immunology, or related fields.
  • 5+ years of advanced, independent research experience in an industry setting, including substantial experience with the Octet BLI and/or Biacore platforms.
  • Practical and theoretical fluency with using various BLI sensor types for the determination of antibody-antigen binding kinetics and epitope binning.
  • Deep technical knowledge regarding chip chemistries and characteristics for SPR measurements.
  • Experience measuring binding interactions with recombinant soluble, transmembrane, and cell based antigens and a variety of antibody formats.
  • Experience managing teams or demonstrated mentorship of junior scientists strongly preferred.
  • Ability to manage and prioritize requests from cross-functional stakeholders.
  • Strong data analysis and interpretation skills.
  • Exceptional written, verbal, and visual communication skills.
  • Ability to educate and build consensus among diverse stakeholders regarding scientific direction.
  • Experience with lab automation is a plus.


Total Rewards The salary estimated for this position is $187,000 - $237,000 + bonus + options + benefits. Compensation will vary depending on job-related knowledge, skills, and experience. Actual compensation will be confirmed in writing at the time of the offer.

What BigHat Offers:
  • Range of health insurance plan options through Anthem and Kaiser (monthly credit if benefit waived)
  • Dental, and vision coverage through Guardian
  • Additional well-being benefits through Nayya, OneMedical, Wagmo, Rula, and more
  • 401(k) with company match
  • DTO, two weeks of company-wide shutdown, and 12 company holidays
  • Paid parental leave
Job ID: 489300402
Originally Posted on: 8/13/2025

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