Software Engineer - Frontend

Software Engineer – Frontend (AI Training Contract) About the Role We're looking for experienced frontend developers to help evaluate and improve AI systems that generate code. Your expertise will directly shape how AI understands, writes, and explains frontend code — making a measurable impact on the next generation of AI models used by top research labs and Fortune 500 companies. This is a fully remote, asynchronous contract role. Work on your own schedule, from anywhere. Organization : Labelbox Type : Hourly Contract Location : Remote Commitment : 15+ hours/week What You'll Do Review and evaluate AI-generated frontend code (JavaScript, HTML, CSS) for correctness, efficiency, accessibility, and clarity Write high-quality frontend solutions to UI and web development problems across varying difficulty levels Craft clear, well-reasoned explanations for design decisions, code logic, and problem-solving approaches Identify edge cases, ambiguities, and errors in AI-generated code and problem statements Provide structured, actionable feedback that helps improve model performance Who You Are Strong command of JavaScript — including async/await, closures, DOM manipulation, ES6+ syntax, and browser APIs Experienced with modern frontend frameworks such as React, Vue, or Angular Able to clearly explain technical concepts in writing — strong English communication skills are essential Detail-oriented with a high bar for code quality and correctness Self-directed and comfortable working independently in an async environment Nice to Have 3–5+ years of professional frontend development experience Background in web performance optimization, state management, or accessibility Familiarity with data labeling, RLHF, or AI training workflows Bachelor's degree or higher in Computer Science or a related field Why Join Us High impact — your work directly improves AI models used by leading research labs and enterprise teams worldwide Full flexibility — work remotely and asynchronously on a