Senior HTML/CSS Frontend Engineer for AI Training

Prolific; Colchester; On-site; GBP 30,567 - 50,946; Part time

Job summary

Prolific is seeking a Senior HTML/CSS Developer to join their Expert Network in the UK. In this role, you'll evaluate and review AI-generated frontend code while bringing forth your real-world experience in Software Engineering. Responsibilities include ensuring functional correctness, conducting execution testing, and providing structured feedback on model performance. Successful candidates can earn up to $40/hour, depending on their skills and experience, with tasks often requiring as little as one hour of work.

Qualifications

• Real-world experience as a Senior Frontend Developer or UI Engineer specializing in HTML/CSS.
• Expert understanding of the CSS cascade, specificity, the box model, Flexbox, and CSS Grid.

Responsibilities

• Review AI-generated HTML/CSS for functional correctness and semantic structure.
• Audit step-by-step explanations from AI for layout solutions to ensure technical soundness.
• Render model-generated markup and stylesheets to verify visual output and cross-browser behavior.

Skills

Expert mastery of HTML5 and CSS3/4

Ability to build complex, responsive layouts

Proficiency with browser DevTools

Education

BSc or higher in Computer Science, Software Engineering, or related field

Tools

Tailwind CSS

SASS/SCSS

Accessibility auditing tools (axe, Lighthouse)

Job description

Prolific is seeking a Senior HTML/CSS Developer to join their Expert Network in the UK. In this role, you'll evaluate and review AI-generated frontend code while bringing forth your real-world experience in Software Engineering. Responsibilities include ensuring functional correctness, conducting execution testing, and providing structured feedback on model performance. Successful candidates can earn up to $40/hour, depending on their skills and experience, with tasks often requiring as little as one hour of work.