Remote Data Science Expert: AI Evaluation & Experimentation

mercor; Canada; Remote; CAD 235,000 - 334,000; Full time

Job summary

Mercor is seeking a Data Science Expert for a remote contract role. You will design precise grading criteria for real-world data science deliverables and score AI-generated and human work with detailed justifications.

You will apply evidence-based judgment to ensure scores are reproducible, incorporate feedback from senior reviewers, and work independently to meet deadlines while helping improve AI model performance.

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 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.

Responsibilities

• 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.

Skills

Data science

Experiment design

SQL/Python

Written communication

Tools

Python

SQL

Job description

Mercor is seeking a Data Science Expert for a remote contract role. You will design precise grading criteria for real-world data science deliverables and score AI-generated and human work with detailed justifications.

You will apply evidence-based judgment to ensure scores are reproducible, incorporate feedback from senior reviewers, and work independently to meet deadlines while helping improve AI model performance.