Data Science Expert - Evaluation Specialist - AI Trainer

Mercor
Philadelphia, PA
Remote
Job Description
Role Overview

Mercor connects elite creative and technical talent with leading AI research labs. This is a contract position for a Data Science Expert to evaluate AI-generated and human work samples.

What You Will Do

Design precise, task-specific grading criteria for real-world data science deliverables, including analyses, models, dashboards, and experiment readouts. Score AI-generated and human work samples against established criteria with detailed, well-reasoned written justifications. Apply consistent, evidence-based judgment to ensure scores are reproducible and defensible. Incorporate structured feedback from senior reviewers and iterate quickly on your work.

Why It Might Be a Fit

Requires 5+ years of professional data science experience in industry, with a background in business operations, product, or growth data science at top-tier technology companies. Deep fluency in experiment design, A/B testing, metric definition, SQL/Python analysis, and communicating findings to executive stakeholders is essential. The role offers the opportunity to collaborate with AI research teams to improve training data quality and downstream performance.

Requirements

  • 5+ years of professional data science experience in industry
  • Background in business operations, product, or growth data science at top-tier technology companies
  • Deep fluency in experiment design, A/B testing, metric definition, SQL/Python analysis, and communicating findings to executive stakeholders
  • Exceptionally strong written communication
  • Detail-oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers
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