HTML/CSS - Senior Developers - AI Training - El Paso, USA

prolificacademicltd; Stati Uniti; Remoto; USD 45.000 - 65.000; Tempo pieno

Vantaggi offerti da questo lavoro

Flexible remote task work

Up to $40/hour

Skills test

Descrizione del lavoro

prolificacademicltd is seeking a senior frontend specialist to contribute to training and evaluation of AI systems through paid, task-based work. You will review generated HTML and CSS, test rendering, and provide clear technical feedback on implementation quality and reasoning.

A short skills assessment is required before joining; tasks may take about an hour, though many are shorter, with compensation up to $40/hour based on skills and experience.

Competenze

• Bachelor’s degree in computer science, software engineering, web development, or related field.
• Senior frontend developer or UI engineer with focus on HTML and CSS.
• Ability to build complex responsive layouts and components without frameworks.

Mansioni

• Review generated markup and styles for correctness, semantics, maintainability, and standards compliance.
• Check the technical soundness of explanations for layout and styling choices.
• Render and inspect code to confirm visual output and cross-browser behavior.
• Flag accessibility issues, inefficient selectors, obsolete attributes, and unsupported CSS.
• Give structured feedback on responsive design and design system approaches.

Conoscenze

Semantic HTML

CSS mastery

Responsive layouts

WCAG accessibility

BEM naming

Formazione

Bachelor’s degree in CS or related field

Strumenti

Tailwind CSS

Sass/SCSS

CSS Modules

Descrizione del lavoro

Role overview

Contribute senior frontend expertise to the training and evaluation of AI systems through paid, task-based work. You’ll assess generated HTML and CSS, test rendered results, and provide clear technical feedback on implementation quality and reasoning. A short skills assessment is required before joining; tasks may take an uninterrupted hour, though many are shorter.

Responsibilities

• Review generated markup and styles for correctness, semantic structure, maintainability, and standards compliance.
• Check the technical soundness of explanations for layout and styling choices.
• Render and inspect code to confirm visual output and cross-browser behavior.
• Flag accessibility issues, inefficient selectors, obsolete attributes, and unsupported CSS.
• Give structured feedback on responsive design, component structure, and design system approaches.

Requirements

• Bachelor’s degree or higher in computer science, software engineering, web development, or a related field.
• Professional experience as a senior frontend developer or UI engineer focused on HTML and CSS.
• Ability to build complex responsive layouts and components without relying on frameworks or libraries.
• Expert knowledge of the CSS cascade, specificity, box model, Flexbox, Grid, WCAG accessibility, and browser compatibility.
• Strong command of semantic HTML and maintainable CSS, including BEM, design tokens, and modern standards.
• Careful code review skills, including the ability to explain technical issues clearly.

Nice to have

• Experience with Tailwind CSS, Sass/SCSS, CSS Modules, and component-based design systems.
• Familiarity with browser developer tools, accessibility auditing tools, and cross-browser testing platforms.
• Knowledge of HTML5 and modern CSS features such as custom properties, animations, and contemporary layout systems.

Benefits and work setup

• Flexible, remote task work, with compensation reported up to $40 per hour depending on skills and experience.
• A 10–15 minute skills test is used to assess suitability before joining.