Role overview
Apply experienced HTML and CSS knowledge to improve AI-generated frontend work. The assignments combine code review, technical reasoning checks, browser rendering, and structured annotation of model performance. This is flexible, remote task work, accessed after a short assessment; individual tasks vary in length and may require an uninterrupted hour.
Responsibilities
- Judge whether generated HTML/CSS is functional, semantic, and aligned with established frontend practices.
- Verify the technical reasoning behind proposed layout and styling solutions.
- Render outputs and inspect visual fidelity and behaviour across browsers.
- Record issues such as accessibility gaps, inefficient selectors, deprecated attributes, and invented CSS properties.
- Offer specific guidance on responsive implementation, component architecture, and design systems.
Requirements
- A bachelor’s degree or above in computer science, software engineering, web development, or a closely related field.
- Demonstrated professional experience as a senior frontend developer or UI engineer specialising in HTML and CSS.
- Ability to create complex responsive layouts and components independently, without relying on frameworks or libraries.
- Expert command of CSS specificity and cascade, the box model, Flexbox, Grid, WCAG, and cross-browser compatibility.
- Strong commitment to semantic HTML and maintainable styles, with knowledge of BEM methodology, design tokens, and modern CSS standards.
- Mastery of HTML5 and contemporary CSS, including custom properties, animations, and modern layout features.
Nice to have
- Familiarity with Tailwind, Sass/SCSS, CSS Modules, or component-based design systems.
- Experience using DevTools, accessibility auditing tools, and cross-browser testing platforms.
Benefits and work setup
- Remote participation with flexible paid assignments; rates may be as high as $40 per hour based on skills and experience.
- Entry follows a 10 to 15 minute skills test. Some tasks are shorter than an hour.