Web Development Expert - Fully Remote | Upto $90/hrMercorconnects 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 EngineerType:ContractCompensation:$90/hourLocation:RemoteRole ResponsibilitiesRender a reference page and two candidate replications at 1920×1080. 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 1920px but collapses at 1400px.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 1600px, 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.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.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.Resources & 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.#J-18808-Ljbffr

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