Frontend Code Evaluator — Expert AI Trainer

Job overview

The Frontend Code Evaluator — Expert AI Trainer role is remote, with the posting specifying remote work and no narrower geographic scope. Compensation is $90 per hour. Mercor connects technical talent with AI research labs. The role evaluates competing web-page replications for visual fidelity, implementation quality, responsive behavior, and semantics. Precise written rationales and identification of ties or broken tasks help produce consistent judgments for the evaluation work.

What you'll do

• Compare a reference page with two candidate replications at desktop width
• assess layout fidelity, including box model, typography, color, images, and overflow
• inspect markup with browser developer tools
• evaluate responsive behavior and semantic quality, including flexbox and grid use
• write structured rationales and rank defects
• flag ties, ambiguous cases, and broken task items.

What we're looking for

Skills & competencies

frontend code evaluator

ai trainer

remote

contract

$90/hour

html

css

javascript

browser devtools

responsive design

flexbox

grid

web replication

mercor

Work arrangement

• Weekend coverage required

Why this role

Remote contract opportunity paying $90 per hour; preferred experience includes RLHF, preference labeling, or model evaluation.

About the employer

Mercor is hiring for this role. Industry: All Other Professional, Scientific, and Technical Services. Sector: 54.