1. Role Overview
Mercor is partnering with a leading AI research organization to engage experienced data scientists for a project focused on evaluating how well AI systems perform real-world data science work. Rather than producing deliverables yourself, you will define what excellent work looks like: designing task-specific grading criteria and scoring completed work samples with rigorous, well-reasoned written justifications.
2. Key Responsibilities
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Design precise, task-specific grading criteria for real-world data science deliverables (analyses, models, dashboards, experiment readouts, and written recommendations)
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Score AI-generated and human work samples against those criteria, with detailed written justifications for every score
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Apply consistent, evidence-based judgment so that scores are reproducible and defensible
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Incorporate structured feedback from senior reviewers and iterate quickly on your work
3. Ideal Qualifications
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5+ years of professional data science experience in industry
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Background in business operations, product, or growth data science at top-tier technology companies
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Deep fluency in experiment design and A/B testing, metric definition, SQL/Python analysis, and communicating findings to executive stakeholders
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Exceptionally strong written communication
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Detail-oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers
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Prior experience with AI training, evaluation, or human-data projects is a strong plus
