Front-End Developer Expertise for AI Training - EU

Outlier helps the world’s most innovative companies improve their AI models by providing human feedback. Are you a world-class front-end developer or web designer who wants to help shape the future of AI?

We collaborate with leading AI organizations to train large language models—teaching them how to design and code like the best front-end engineers and designers in the world. Our projects focus on helping generative AI improve its understanding of front-end technologies, UI/UX principles, and modern web standards.

This is a rare opportunity to put your coding and design skills to work in training cutting-edge AI systems—no prior experience with AI is required.

About The Opportunity

• Outlier is looking for exceptional front-end developers and designers to help train generative AI models.
• This freelance role is fully remote and offers flexible hours—you can work whenever works best for you.

• Creating and answering questions about front-end development and web design to help train AI models.
• Reviewing and evaluating code generated by AI in JavaScript, React, and other modern front-end frameworks.
• Assessing UI/UX quality, accessibility, and design choices made by AI-generated code.
• Offering expert-level feedback on what makes a user interface intuitive, functional, and beautiful.

• Strong technical skills in HTML, CSS, JavaScript, and frameworks like React, Next.js, Vue, or similar.
• An eye for world-class design—deep understanding of UI/UX principles, responsive design, and interaction patterns.
• Experience building polished, accessible, and production-ready web interfaces.
• A background in computer science, web development, or digital design (degree not required if experience is exceptional).
• Outstanding attention to detail and ability to communicate clearly about visual and code quality.

• Currently, pay rates for core project work range from USD $25 to $50 per hour.
• Rates vary based on expertise, skills assessment, location, project need, and other factors. For example, higher rates may be offered to PhDs. For non-core work, such as during initial project onboarding or project overtime phases, lower rates may apply. Certain projects offer incentive payments. Please review the payment terms for each project.