Senior HTML/CSS Frontend Reviewer – Remote & Flexible

prolificacademicltd; United States; Remote; USD 34,000 - 55,000; Full time

Benefits offered by this job

Flexible, remote participation

Hourly task-based pay up to $40

Job summary

Prolific Academic Ltd is seeking a senior frontend specialist to assess and improve AI-generated frontend work across responsiveness, accessibility, and design systems. You will review markup, styles, and explanations, and provide structured feedback on how models handle frontend challenges.

Responsibilities include auditing code for semantics and maintainability, validating layout choices, rendering across browsers, and offering actionable improvements.

Qualifications

• Bachelor's degree or higher in a technical field such as computer science, software engineering or web development.
• Senior frontend or UI engineer experience focused on HTML and CSS.
• Ability to build complex, responsive layouts without frameworks or libraries.
• Strong knowledge of CSS fundamentals, Flexbox, Grid, WCAG accessibility, and browser compatibility.
• High standards for semantic HTML and maintainable CSS, including familiarity with BEM and design tokens.

Responsibilities

• Review generated markup and styles for correctness, semantics, and maintainability.
• Check the technical reasoning behind layout and styling choices.
• Render code and inspect visual output and cross-browser behaviour.
• Flag accessibility issues, inefficient selectors, and deprecated attributes.
• Provide feedback on responsive design, component structure, and design system implementation.

Skills

Semantic HTML

Maintainable CSS

Flexbox

Grid

WCAG Accessibility

Cross-browser compatibility

BEM

Design tokens

Modern CSS

Education

Bachelor's degree in CS/SE/Web Development

Tools

Tailwind CSS

Sass/SCSS

CSS Modules

Browser DevTools

Job description

Prolific Academic Ltd is seeking a senior frontend specialist to assess and improve AI-generated frontend work across responsiveness, accessibility, and design systems. You will review markup, styles, and explanations, and provide structured feedback on how models handle frontend challenges.

Responsibilities include auditing code for semantics and maintainability, validating layout choices, rendering across browsers, and offering actionable improvements.