QA Engineer - AI Test Specialist

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Responsibilities

• Design test cases to confirm task functionality, including edge cases.
• Review tasks and reference solutions to catch ambiguities and gaps early.
• Debug using Python when tasks or checks misbehave.
• Build quality checklists and provide actionable feedback to authors.
• Monitor AI agent runs for shortcuts and grading gaps to ensure trustworthy benchmark scores.

Requirements

• MSc or PhD in a STEM field or equivalent practical experience.
• 1+ years in test engineering, quality assurance, or a related role.
• Experience designing test cases and debugging complex systems.
• Proficiency in Python and Git.
• Exceptional attention to detail and clear documentation habits.

Qualifications

Preferred:

• Experience in AI training, model evaluation, or quality review of AI-generated work.
• A perfectionist mindset and ability to work independently through ambiguous problems.

Pay

$60–$90/hour

Schedule

35 hours/week (contract, remote)