UI/UX Design Expert - Evaluator - AI Trainer

Job Description

Job Description

About the job

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 .

Position: UI / UX Design Expert
Type: Contract
Compensation: $80–$150/hour
Location: Remote

Role Responsibilities

• Design precise, task-specific grading criteria for real-world digital product and UX deliverables .
• Score AI-generated and human work samples against criteria with detailed written justifications.
• Apply consistent, evidence-based judgment for reproducible and defensible scores.
• Incorporate structured feedback from senior reviewers and iterate quickly on work.
• Work independently and asynchronously to evaluate and improve AI model performance .

Qualifications

Must-Have

• 5+ years of professional experience in product design, UI/UX , or design systems.
• Background at leading digital-product and UX studios or in-house product-design teams.
• Experience in Product / UI / Design Systems Design , UX Lead , or UX Writing .
• Deep fluency in interaction and visual design, design systems , and Figma .
• Exceptionally strong written communication skills.
• Detail-oriented and comfortable with peer-reviewed judgment.

Preferred

• Prior experience with AI training , evaluation, or human-data projects.

Application Process (Takes 20–30 mins to complete)

• Submit your resume, portfolio, or relevant professional background.
• Qualified applicants may complete a brief assessment or submit additional information.

Resources & Support

• For details about the interview process and platform information, please check:
• For any help or support, reach out to: View email address on us.fitly.work

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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