Web Development Expert - Fully Remote | Upto $90/hr
Mercorconnects 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:Frontend Engineer
Type:Contract
Compensation:$90/hour
Location:RemoteRole ResponsibilitiesRender 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.QualificationsMust-Have3–8 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.BrowserDev Toolsas muscle memory.Command-line comfort: unzipping an archive, standing up a static local server, and untangling a broken image reference.EnoughJava Scriptto read a page's scripts and understand their DOM impact.Professional written English for task justification.PreferredPriorRLHF, 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.More than one completedMercorproject and availability in contiguous multi-hour blocks.Application Process (Takes ***** mins to complete)Upload resumeAI interview based on your resumeSubmit formResources & SupportFor details about the interview process and platform information, please check:For any help or support, reach out to:PS: Our team reviews applications daily.
Please complete your AI interview and application steps to be considered for this opportunity.
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