Senior HTML/CSS Frontend Engineer for AI QA (Remote)

prolificacademicltd; United States; Remote; USD 33,000 - 55,000; Full time

Benefits offered by this job

Flexible remote

Hourly rates up to $40

Job summary

prolificacademicltd is seeking a senior frontend expert to audit generated HTML/CSS and verify rendering across browsers, ensuring usability, accessibility and maintainability.

You will assess layouts, styles, and design-system implementations, delivering structured feedback. The role supports flexible remote participation with assignments offered at up to $40/hour depending on skills and experience.

Qualifications

• Bachelor's degree or higher in CS or related technical discipline.
• Real-world experience as a senior frontend developer/UI engineer specializing in HTML/CSS.
• Ability to implement complex responsive components without frameworks.
• Deep understanding of the CSS cascade, specificity, box model, Flexbox and Grid.
• Familiarity with accessibility standards and cross-browser compatibility.

Responsibilities

• Evaluate generated markup and stylesheets for correctness, semantics and best practices.
• Check the technical reasoning behind proposed layouts and styling solutions.
• Execute code and verify visual output and behaviour across browsers.
• Spot inaccessible patterns, brittle selectors, deprecated markup and invalid CSS.
• Provide structured feedback on responsive design, component architecture and design systems.

Skills

Frontend development

HTML & CSS

Accessibility

Cross-browser testing

Education

Bachelor's degree in CS

Tools

Tailwind CSS

Sass/SCSS

CSS Modules

Browser DevTools

Job description

prolificacademicltd is seeking a senior frontend expert to audit generated HTML/CSS and verify rendering across browsers, ensuring usability, accessibility and maintainability.

You will assess layouts, styles, and design-system implementations, delivering structured feedback. The role supports flexible remote participation with assignments offered at up to $40/hour depending on skills and experience.