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PhD Chemist and LLM Assessment Specialist

Company: Mercor

Location: Toronto, London

Posted: March 14, 2026

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Position Details

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: Chemistry AI Evaluator
Type: Contract
Compensation: $73/hour
Location: Remote

Role Responsibilities

  • Write and refine prompts to guide model behavior in chemistry contexts.
  • Evaluate LLM-generated responses to chemistry-related queries for scientific accuracy and quantitative reasoning.
  • Conduct fact-checking using authoritative public sources and domain knowledge.
  • Annotate model re...