Remote Data Science Expert (Contract) | AI Training

Mercor; San Francisco (CA); Hybrid; GBP 125,000 - 177,000; Full time

Job summary

Mercor is seeking a Data Science Expert on a contract basis. This remote role pays $120–$170 per hour and is open to candidates worldwide.

You will design precise grading criteria for data science deliverables, score AI-generated and human work, and collaborate with AI research teams to improve data and performance. The role emphasizes strong communication, rigorous experiment design, and experience in business operations or growth data science at leading tech firms.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Experiment design

A/B testing

Executive communication

Detail-oriented

Tools

SQL

Python

Job description

Mercor is seeking a Data Science Expert on a contract basis. This remote role pays $120–$170 per hour and is open to candidates worldwide.

You will design precise grading criteria for data science deliverables, score AI-generated and human work, and collaborate with AI research teams to improve data and performance. The role emphasizes strong communication, rigorous experiment design, and experience in business operations or growth data science at leading tech firms.