HTML/CSS - Senior Developers - AI Training - Liverpool, UK

prolificacademicltd; Stati Uniti; Remoto; USD 41.000 - 55.000; Tempo pieno

Vantaggi offerti da questo lavoro

Flexible, remote participation

Pay per hour up to $40

Descrizione del lavoro

prolificAcademicLtd is seeking a senior frontend expert to assess AI-generated frontend work, review markup and CSS, and provide structured feedback on accessibility, responsiveness, and design system implementation.

You will render and inspect code across browsers, validate semantics, and critique layout decisions without relying on frameworks. Flexible, remote participation is offered with rate-based work opportunities.

Competenze

• Bachelor’s degree in CS/related field or higher.
• Senior frontend developer/UI engineer with expertise in HTML and CSS.
• Ability to create complex, responsive layouts without frameworks.

Mansioni

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

Conoscenze

Senior frontend

HTML/CSS

Flexbox

Grid

WCAG accessibility

Semantic HTML

BEM

Design tokens

Modern CSS

Formazione

Bachelor’s degree or higher

Strumenti

Tailwind CSS

Sass/SCSS

CSS Modules

Descrizione del lavoro

Role overview

Use your senior HTML and CSS expertise to help assess and improve AI-generated frontend work. The work involves reviewing code and its explanations, checking rendered results, and giving structured feedback on how models handle responsive layouts, accessibility, and design systems. Tasks are paid and may require an uninterrupted hour; an initial skills assessment takes about 10-15 minutes.

Responsibilities

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

Requirements

• A bachelor's degree or higher in computer science, software engineering, web development, or a related technical field.
• Professional experience as a senior frontend developer or UI engineer focused on HTML and CSS.
• Ability to build complex, responsive layouts and components without relying on 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, design tokens, and modern CSS.

Nice to have

• Experience with HTML5 and modern CSS features such as custom properties, animations, and contemporary layout systems.
• Familiarity with Tailwind CSS, Sass/SCSS, CSS Modules, and component-based design systems.
• Proficiency with browser developer tools, accessibility audits, and cross-browser testing.

Benefits and work setup

• Flexible, remote participation, subject to available tasks.
• Task rates may reach $40 per hour depending on skills and experience; this is not a guaranteed rate or workload.