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# Data Science Expert - Evaluation Specialist - AI Trainer

- **Company:** Mercor, Inc.
- **Location:** Philadelphia, PA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $249,600.0
- **Contract:** Contract
- **Skills:** Training Data, A/B Testing, Artificial Intelligence, Python (Programming Language), SQL Databases
- **Published:** August 31, 2026
- **Apply:** https://www.careerjet.com/jobad/usf6f8b16a0d40cffcce2699635df20625

## About the Role

* 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.

Preferred

 * Prior experience with AI training, evaluation, or human-data projects.

## Description

* 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.
 * Collaborate with AI research teams to improve training data quality and downstream performance.


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