Frontend Code Evaluation Specialist

Vedi l’offerta su Go Lavoro: golavoro.it/annuncio-lavoro/8h85uz

About the job
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Mercor connects elite creative and technical talent with leading AI research labs.
Headquartered in San Francisco, our investors includeBenchmark,General Catalyst,Peter Thiel,Adam D'Angelo,Larry Summers, andJack Dorsey.
Position
Position:Frontend Engineer
Type:Contract
Compensation:$90/hour
Location:Remote
Role Responsibilities
Render a reference page and two candidate replications at ****×****.
Judge which is the closer reproduction, state by state.
Diff visual fidelity in detail: box model and spacing, typography (family, size, weight, line-height, letter-spacing), color and border treatment, image and asset handling, z-order, and overflow.
Read the source of both attempts and grade construction quality.
Distinguish a replication that is genuinely correct from one that merely looks correct at one viewport.
Test responsiveness.
Identify defects such as a nav bar that looks right at ****px but collapses at ****px.
Write specific, evidence-cited justifications for every preference.
Provide detailed explanations like "B nests the article body in a single absolutely-positioned div, so the text overlaps the footer below ****px,



while A uses normal document flow."
Use the "this task is broken" escape hatch with judgment.
Distinguish a task that genuinely cannot be completed from one that is merely hard.
Qualifications
Must-Have
3–8 yearsof professional web development experience in frontend or full-stack work.
Fluency across web eras, including legacy layouts like used for layout.
Command of hand-writtenHTMLandCSS: semantic markup, flexbox, grid, media queries, and legacy float- and table-based layouts.
BrowserDevToolsas muscle memory.
Command-line comfort: unzipping an archive, standing up a static local server, and untangling a broken image reference.
EnoughJavaScriptto read a page's scripts and understand their DOM impact.
Professional written English for task justification.
Preferred
PriorRLHF, preference-labeling, model-evaluation, or structured code-review work.
Pixel-perfect design-to-code experience.
Accessibility expertise (ARIA, semantic landmarks, heading hierarchy).
Familiarity with howLLMsfail at code generation.
Web scraping, archiving, or DOM-parsing background.
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More than one completedMercorproject and availability in contiguous multi-hour blocks.
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Vedi l’offerta su Go Lavoro: golavoro.it/annuncio-lavoro/8h85uz