Remote Data Science Expert: AI Evaluation & Scoring

mercor; United States; Remote; USD 165,000 - 234,000; Full time

Job summary

Mercor is seeking a Data Science Expert for a remote contract to help assess and grade AI and data science deliverables. You will design precise criteria and score samples with justification, applying evidence-based judgment to ensure reproducibility and defensibility.

Collaborating asynchronously with senior reviewers, you will iterate quickly to improve model performance while clearly communicating findings to executive stakeholders.

Qualifications

• 5+ years of professional data science experience in industry.
• Background in business operations, product, or growth data science at top tech firms.
• Deep fluency in experiment design, A/B testing, metric definition, SQL and Python analysis.
• Exceptionally strong written communication and ability to present to executives.
• Detail-oriented and comfortable with peer review and calibration.

Responsibilities

• Design precise grading criteria for data science deliverables.
• Score AI-generated and human work samples with detailed written justifications.
• Apply evidence-based judgment to ensure scores are reproducible and defensible.
• Incorporate structured feedback from senior reviewers and iterate quickly.
• Work independently and asynchronously to meet deadlines while improving AI model performance.

Skills

Data science experience

Experiment design

A/B testing

SQL

Python

Communication

Job description

Mercor is seeking a Data Science Expert for a remote contract to help assess and grade AI and data science deliverables. You will design precise criteria and score samples with justification, applying evidence-based judgment to ensure reproducibility and defensibility.

Collaborating asynchronously with senior reviewers, you will iterate quickly to improve model performance while clearly communicating findings to executive stakeholders.