Senior HTML/CSS Frontend for AI Training (Remote)

Prolific; Stati Uniti; Remoto; USD 39.000 - 55.000; Tempo pieno

Vantaggi offerti da questo lavoro

Flexible hours

Work from home

Descrizione del lavoro

Prolific is seeking a Senior HTML/CSS Developer to join our Expert Network for AI model training and evaluation from the USA. You will assess human-friendly frontend code, perform tests, and help improve AI-driven layouts.

Ideal candidates hold a BSc or higher in CS/SE/Web Dev, with real frontend experience, and a deep understanding of CSS, responsive design, and accessibility. Remote work options and competitive pay apply.

Competenze

• BSc or higher in Computer Science, Software Engineering, Web Development or related field.
• Real-world experience as a Senior Frontend Developer or UI Engineer focusing on HTML/CSS.
• Ability to build complex, responsive layouts and components without relying on frameworks.
• Deep CSS knowledge: cascade, specificity, box model, Flexbox, CSS Grid, WCAG, cross-browser compat.
• Strong markup quality: semantic HTML, maintainable CSS, and modern CSS practices (BEM, design tokens).

Mansioni

• Evaluate AI-generated HTML/CSS for accuracy, semantics, and best practices.
• Validate layout logic and reasoning to ensure technical soundness.
• Conduct rendering tests across environments to verify visuals and consistency.
• Annotate model outputs for accessibility, selectors efficiency, and deprecated attributes.
• Provide feedback to improve model reasoning on responsive design.

Conoscenze

HTML/CSS mastery

Frontend development

Responsive design

Cross-browser compatibility

Accessibility (WCAG)

Semantic markup

Tailwind CSS

SASS/SCSS

CSS Modules

DevTools proficiency

Formazione

BSc or higher in Computer Science / Software Engineering / Web Development

Strumenti

Tailwind CSS

SASS/SCSS

CSS Modules

DevTools

Axe

Lighthouse

Descrizione del lavoro

Prolific is seeking a Senior HTML/CSS Developer to join our Expert Network for AI model training and evaluation from the USA. You will assess human-friendly frontend code, perform tests, and help improve AI-driven layouts.

Ideal candidates hold a BSc or higher in CS/SE/Web Dev, with real frontend experience, and a deep understanding of CSS, responsive design, and accessibility. Remote work options and competitive pay apply.