Senior HTML/CSS Developer for AI Training — Remote

Prolific Academic Ltd; United States; A distancia; USD 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive pay

Flexible hours

Work from home

Descripción de la vacante

Prolific is seeking Senior HTML/CSS Developers to join our Expert Network for AI training and evaluation. You will assess AI-generated frontend code, ensure semantic structure, and verify cross-browser compatibility, while ensuring accessibility standards are met.

The role requires deep frontend expertise and the ability to work with modern CSS systems such as Tailwind, SASS/SCSS, and CSS Modules. You'll be evaluating code quality, reasoning, and execution results, with paid tasks up to $40 per

Formación

• Background in HTML/CSS and Frontend Development.
• Experience as Senior Frontend Developer or UI Engineer focusing on HTML/CSS.
• Ability to build complex, responsive layouts without heavy frameworks.
• Deep understanding of CSS cascade, specificity, box model, Flexbox, CSS Grid, accessibility (WCAG).
• Knowledge of BEM, design tokens, and modern CSS standards.

Responsabilidades

• Evaluate AI-generated HTML/CSS for functional correctness and semantic structure.
• Validate AI-provided explanations for layout decisions.
• Conduct rendering tests to verify visuals and cross-browser behavior.
• Annotate model performance by identifying inaccessible markup or deprecated CSS.
• Provide feedback on responsive design, component architecture, and design system implementation.

Conocimientos

HTML/CSS

Frontend development

CSS layout

Accessibility WCAG

Semantic markup

Educación

BSc or higher in CS/SE/Web Dev

Herramientas

Tailwind CSS

SASS/SCSS

CSS Modules

DevTools

Descripción del empleo

Prolific is seeking Senior HTML/CSS Developers to join our Expert Network for AI training and evaluation. You will assess AI-generated frontend code, ensure semantic structure, and verify cross-browser compatibility, while ensuring accessibility standards are met.

The role requires deep frontend expertise and the ability to work with modern CSS systems such as Tailwind, SASS/SCSS, and CSS Modules. You'll be evaluating code quality, reasoning, and execution results, with paid tasks up to $40 per