Senior HTML/CSS Engineer for 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 cutting-edge AI models. If you have a background in Software Engineering or Frontend Development, we’ll send you a quick 10- to 15-minute test to assess your skills.

If successful, you’ll be invited to join Prolific as a participant, where you’ll get paid to help AI understand and produce high-quality frontend code and design implementation.

Qualifications

• Educational background: a BSc or higher in Computer Science, Software Engineering, Web Development, or related field.
• Real-world experience as a Senior Frontend Developer/UI Engineer specializing in HTML/CSS.
• Ability to build complex, responsive layouts and components without relying on frameworks.

Responsibilities

• Evaluate AI-generated HTML/CSS for correctness and semantic structure.
• Validate logic and reasoning in layout solutions for technical soundness.
• Conduct rendering tests to verify visuals across environments and browsers.
• Annotate model performance for inaccessible markup or deprecated CSS.
• Provide feedback on responsive design, component architecture, and design system implementation.

Skills

Frontend Development

HTML/CSS

CSS Architecture

Accessibility (WCAG)

Cross-browser

Education

BSc in Computer Science or related

Software Engineering degree

Tools

Tailwind CSS

SASS/SCSS

CSS Modules

DevTools

Job description

Prolific is seeking Senior HTML/CSS Developers to join our Expert Network to help train and evaluate cutting-edge AI models. If you have a background in Software Engineering or Frontend Development, we’ll send you a quick 10- to 15-minute test to assess your skills.

If successful, you’ll be invited to join Prolific as a participant, where you’ll get paid to help AI understand and produce high-quality frontend code and design implementation.