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Preclinical R&D Scientist - Drug Expert

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Mercor
Full Time position
Listed on 2026-09-15
Job specializations:
  • Research/Development
    Research Scientist, Drug Discovery
Salary/Wage Range or Industry Benchmark: 85 - 142 USD Hourly USD 85.00 142.00 HOUR
Job Description & How to Apply Below

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark
, General Catalyst
, Peter Thiel
, Adam D'Angelo
, Larry Summers
, and Jack Dorsey
.

Position: Preclinical R&D Expert – In-house Drug Development

Type: Contract

Compensation: $85–$142/hour

Location: Remote

Role Responsibilities
  • Review technical materials and real-world R&D data in your area of expertise to improve AI model performance
    .
  • Label, classify, and annotate scientific data and model outputs to enhance model accuracy.
  • Provide expert perspective on key scientific and development decisions, including target and modality selection.
  • Help define structure and quality standards for the client's dataset pipeline.
  • Participate in expert discussions, interviews, and research engagements to guide AI platform development
    .
Qualifications Must-Have
  • Hands-on, non-administrative preclinical R&D experience at a company that develops its own drug assets.
  • Work in a core R&D function: discovery biology, medicinal chemistry, protein/antibody engineering, computational, in vivo/translational, pharmacology/PK-PD, toxicology, or CMC/formulation.
  • Hands-on experience with one or more drug modalities (small molecules, monoclonal antibodies, peptides, ADCs, bispecifics, mRNA, siRNA, ASOs, PROTACs, molecular glues, cell therapies, gene therapies, radioligand therapies, etc.).
  • 5+ years of relevant industry R&D experience.
Preferred
  • Experience taking a program through lead optimization or IND-enabling/preclinical development.
  • Experience at mid-sized, emerging, or resource-constrained biotech.
Resources & Support
  • For details about the interview process and platform information, please check:
  • For any help or support, reach out to:

PS:
Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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