Subject Matter Expert

Mercor • Madrid, Community of Madrid, Spain • Posted June 04, 2026

Location Madrid, Community of Madrid
Job Type part-time
Category Social Scientists and Related Workers
Posted June 04, 2026

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: STEM PhDs
Type: Contract
Compensation: $60–$80/hour
Location: Remote
Commitment: 15–20 hours/week

Role Responsibilities

  • Develop challenging problems in your domain to enhance AI model training.
  • Evaluate and improve AI model outputs through rigorous data analysis.
  • Collaborate with AI research teams to refine t...

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