HTML/CSS - Senior Developers - AI Training - Bristol, UK

prolificacademicltd; Stati Uniti; Remoto; USD 33.000 - 55.000; Tempo pieno

Vantaggi offerti da questo lavoro

Remote work

Paid assessment upfront

Descrizione del lavoro

Prolific Academic Ltd is seeking a senior frontend reviewer to assess AI-generated HTML and CSS, evaluate the explanations behind layout decisions, and test browser output across environments. This is a fully remote role with a short paid assessment required before participation.

You will annotate accessibility defects, questionable selectors, outdated attributes, and unsupported CSS, and provide structured feedback on responsive design, component patterns, and design system alignment.

Competenze

• Bachelor's level education or higher in computer science, software engineering, web development, or related technical subject.
• Senior frontend development or UI engineering experience focused on HTML/CSS.
• Ability to implement complex responsive components without framework reliance.
• Expert understanding of CSS cascade, specificity, box model, Flexbox, Grid, accessibility, and browser differences.

Mansioni

• Evaluate generated HTML and CSS for correctness, semantic quality, and adherence to good practice.
• Check soundness of model explanations for layout and styling decisions.
• Execute and render code to review appearance and cross-browser behaviour.
• Annotate accessibility defects, poor selector choices, outdated attributes, and unsupported CSS.
• Provide structured feedback on responsive design, component patterns, and design system work.

Conoscenze

HTML/CSS

Responsive layouts

Semantic markup

Accessibility

Cross-browser testing

Formazione

Bachelor's degree in CS/Web dev

Strumenti

Tailwind CSS

Sass/SCSS

CSS Modules

Descrizione del lavoro

Role overview

Help assess and strengthen AI systems that generate frontend code by bringing senior-level HTML/CSS judgement to paid review tasks. You will inspect code, evaluate the explanations behind it, test browser output, and communicate where the model can improve. The work is flexible and remote, with a short assessment required before participating.

Responsibilities

• Evaluate generated HTML and CSS for correctness, semantic quality, and adherence to good practice.
• Check the soundness of model explanations for layout and styling decisions.
• Execute and render code to review appearance and cross-browser behaviour.
• Annotate accessibility defects, poor selector choices, outdated attributes, and unsupported CSS.
• Give structured feedback on responsive design, component patterns, and design system work.

Requirements

• Bachelor's level education or higher in computer science, software engineering, web development, or a related technical subject.
• Professional senior frontend development or UI engineering experience focused on HTML/CSS.
• Skill in independently implementing complex responsive components and layouts without framework reliance.
• Expert understanding of CSS cascade, specificity, box model, Flexbox, Grid, accessibility requirements, and browser differences.
• Strong ability to write and review semantic markup and maintainable CSS, including BEM and design token practices.
• Current expertise in HTML5 and modern CSS capabilities such as custom properties, animations, and modern layout.

Nice to have

• Experience with Tailwind CSS, Sass/SCSS, CSS Modules, and component-driven design approaches.
• Familiarity with browser developer tools, accessibility checkers, and cross-browser testing tools.

Benefits and work setup

• Flexible remote tasks with rates advertised up to $40 per hour, depending on qualifications and experience.
• A 10 to 15 minute assessment precedes participation. Be prepared for some assignments requiring an uninterrupted hour; many take less time.