Senior Frontend Developer – AI Training (Remote)

Prolific Academic Ltd; United States; Remote; USD 41,000 - 55,000; Full time

Job summary

Prolific is seeking Senior HTML/CSS Developers to join our Expert Network to help train and evaluate AI models. You’ll review and produce high-quality frontend code and design implementations.

You should have real-world experience as a Senior Frontend Developer, strong HTML/CSS proficiency, and a deep understanding of CSS layouts, accessibility, and modern CSS standards. Remote-friendly role with flexible hours and competitive pay.

Qualifications

• Senior HTML/CSS Developers with a frontend/engineering background.
• BSc or higher in CS, SWE, Web Development or related field.
• Strong HTML5/CSS3 skills and modern CSS standards with accessibility in mind.

Responsibilities

• Evaluate AI-generated HTML/CSS for correctness and semantics.
• Audit explanations for layout solutions and styling approaches.
• Render markup in environments to verify visuals across browsers.
• Identify inaccessible markup and deprecated CSS properties.
• Provide structured feedback on responsive design and design system implementation.

Skills

HTML5

CSS3

Frontend Development

Software Engineering

Tailwind CSS

SASS/SCSS

CSS Modules

Responsive Design

Accessibility (WCAG)

Cross-browser Testing

Education

BSc in Computer Science

BSc in Software Engineering

BSc in Web Development

Tools

DevTools

Axe

Lighthouse

Job description

Prolific is seeking Senior HTML/CSS Developers to join our Expert Network to help train and evaluate AI models. You’ll review and produce high-quality frontend code and design implementations.

You should have real-world experience as a Senior Frontend Developer, strong HTML/CSS proficiency, and a deep understanding of CSS layouts, accessibility, and modern CSS standards. Remote-friendly role with flexible hours and competitive pay.