Product Design Specialist - Fully Remote | Upto $150/hr

mercor; United States; Remote; USD 110,000 - 207,000; Part time

Job summary

Mercor is seeking a UI/UX Design Expert for a remote contract role. You will design criteria, score AI and human work samples, and apply evidence-based judgment to ensure reproducible scores while iterating with senior reviewers. Strong written communication and experience in design systems are essential.

Must have 5+ years in product design/UI/UX and a background in leading studios or in-house teams, with deep fluency in Figma and interaction/visual design. Prior AI-related experience is a plus.

Qualifications

• 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.

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.

Skills

Product design

UI/UX

Design systems

Figma

UX Writing

Strong written communication

Attention to detail

Tools

Figma

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.

Resources & Support

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