Frontend QA Engineer: AI UI Fidelity & Code Review

Hire Feed; Pakistan; On-site; PKR 1,500,000 - 3,200,000; Full time

Job summary

Hire Feed is seeking a Frontend Engineer for a full-time role to evaluate AI-generated frontend code by comparing it with reference pages across states and viewports. You will download site trees, render them locally, and assess visual fidelity and code quality against the reference.

The ideal candidate has hands-on experience with Mercor engagements, local development environments, and strong CSS/HTML debugging skills.

Qualifications

• Experience with local development environments and static servers.
• Strong proficiency in inspecting and debugging frontend code, including CSS, HTML, and layout mechanics.
• Ability to evaluate visual fidelity across multiple states and viewports at 1920×1080.
• Prior completion of at least one full Mercor engagement.
• Attention to detail in spacing, typography, color treatment, and asset rendering.
• Experience identifying layout shortcuts such as absolute positioning, inline styles, or non-semantic HTML structures.
• Familiarity with accessibility standards and responsive design principles.
• Ability to work in timed 2–3 hour units with sustained focus.

Responsibilities

• Download and locally render three zipped site trees: a reference page and two AI-generated attempts.
• Evaluate visual fidelity at 1920×1080, including box model, spacing, typography, colors, and asset handling across all interactive states.
• Assess code construction quality by analyzing source files to identify shortcuts like hardcoded pixels, absolute positioning, or undifferentiated div structures.
• Grade each attempt against the reference for structural correctness, responsiveness, and adherence to web standards.
• Document detailed feedback on deviations and inconsistencies in both visual output and underlying code.

Skills

Frontend development

CSS/HTML debugging

Accessibility awareness

Responsive design

Visual QA / UI testing

Mercor engagement experience

Job description

Hire Feed is seeking a Frontend Engineer for a full-time role to evaluate AI-generated frontend code by comparing it with reference pages across states and viewports. You will download site trees, render them locally, and assess visual fidelity and code quality against the reference.

The ideal candidate has hands-on experience with Mercor engagements, local development environments, and strong CSS/HTML debugging skills.