Senior Frontend Developer — AI Training & QA (Remote)

Prolific; Jacksonville (FL); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Competitive pay rates

Flexible hours

Work from home

Job summary

Prolific is seeking a Senior HTML/CSS Developer to join our Expert Network and help train AI models. The role involves evaluating AI-generated HTML/CSS for accuracy, conducting execution testing, and providing structured feedback on model performance. Ideal candidates will have a BSc in a related field and real-world experience in frontend development. Enjoy competitive pay rates and the flexibility to work from home in Jacksonville, Florida.

Qualifications

• Expert understanding of the CSS cascade, specificity, box model, Flexbox.
• Real-world experience as a Senior Frontend Developer or UI Engineer.
• Ability to spot rendering issues and non-standard markup.

Responsibilities

• Review AI-generated HTML/CSS for correctness and structure.
• Audit AI's explanations for technical soundness.
• Render model-generated markup for visual verification.

Skills

HTML/CSS mastery

Responsive design

Attention to detail

Education

BSc or higher in Computer Science or related field

Tools

Browser DevTools

Accessibility auditing tools

Cross-browser testing platforms

Job description

Prolific is seeking a Senior HTML/CSS Developer to join our Expert Network and help train AI models. The role involves evaluating AI-generated HTML/CSS for accuracy, conducting execution testing, and providing structured feedback on model performance. Ideal candidates will have a BSc in a related field and real-world experience in frontend development. Enjoy competitive pay rates and the flexibility to work from home in Jacksonville, Florida.