h3About the job /h3 pMercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include bBenchmark /b, bGeneral Catalyst /b, bPeter Thiel /b, bAdam D'Angelo /b, bLarry Summers /b, and bJack Dorsey /b. /p h3Position /h3 pbPosition: /b Frontend Engineerbr/bType: /b bContract /bbr/bCompensation: /b b$90/hour /bbr/bLocation: /b bRemote /b /p h3Role Responsibilities /h3 ul liRender a reference page and two candidate replications at 1920×1080. Judge which is the closer reproduction, state by state. /li liDiff 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. /li liRead 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. /li liTest responsiveness. Identify defects such as a nav bar that looks right at 1920px but collapses at 1400px. /li liWrite 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." /li liUse the "this task is broken" escape hatch with judgment.



Distinguish a task that genuinely cannot be completed from one that is merely hard. /li /ul h3Qualifications /h3 h3Must-Have /h3 ul lib3–8 years /b of professional web development experience in frontend or full-stack work. /li liFluency across web eras, including legacy layouts like used for layout. /li liCommand of hand-written bHTML /b and bCSS /b: semantic markup, flexbox, grid, media queries, and legacy float- and table-based layouts. /li liBrowser bDevTools /b as muscle memory. /li liCommand-line comfort: unzipping an archive, standing up a static local server, and untangling a broken image reference. /li liEnough bJavaScript /b to read a page's scripts and understand their DOM impact. /li liProfessional written English for task justification. /li /ul h3Preferred /h3 ul liPrior bRLHF /b, preference-labeling, model-evaluation, or structured code-review work. /li liPixel-perfect design-to-code experience. /li liAccessibility expertise (bARIA /b, semantic landmarks, heading hierarchy). /li liFamiliarity with how bLLMs /b fail at code generation. /li liWeb scraping, archiving, or DOM-parsing background. /li liMore than one completed bMercor /b project and availability in contiguous multi-hour blocks. /li /ul #J-18808-Ljbffr

📌 Frontend Code Evaluation Specialist (Italia)
🏢 Mercor
📍 Italia