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# Data Science Expert - AI Evaluation

- **Company:** Mercor
- **Location:** Berlin, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €249,600.0
- **Contract:** Permanent contract
- **Skills:** A/B Testing, Artificial Intelligence, Python (Programming Language), SQL Databases
- **Published:** August 12, 2026
- **Apply:** https://www.adzuna.de/details/5836581118

## About the Role

Must-Have

 * 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 and 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 such as analyses, models, dashboards, and experiment readouts.
 * Score AI-generated and human work samples against criteria with detailed written justifications for every score.
 * Apply consistent, evidence-based judgment to ensure scores are reproducible and defensible.
 * Incorporate structured feedback from senior reviewers and iterate quickly on your work.
 * Work independently and asynchronously to meet deadlines while improving AI model performance.


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