Frontend Developer (HTML,CSS)

About micro1micro1 is the leading AI data lab for training frontier models and evaluating AI agents. Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-quality training data, evaluations, and feedback loops that improve how AI systems learn, reason, and perform.Our platform identifies and vets top talent through an AI recruiter, enabling high-quality expert contributions at scale. We aim to enable 1 billion people to do meaningful work by applying their expertise to AI. As our global expert network grows, micro1 is building the human intelligence layer for frontier AI.Job Title: Frontend Developer (HTML, CSS)Job Type: ContractorLocation: RemoteJob Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.Key Responsibilities:• Translate design files into clean, responsive, and reusable UI components using modern frontend technologies.• Collaborate closely with UX/UI designers and backend developers to deliver integrated, high-quality solutions.• Implement and optimize front-end logic using Angular, Vue.js, React, Bootstrap, and JQuery.• Develop and maintain scalable UI components with a focus on performance and accessibility.• Integrate front-end applications with APIs and cloud platforms to power dynamic, data-driven experiences.• Execute unit and automated tests to ensure code reliability and maintainability.• Troubleshoot, debug, and resolve complex front-end issues effectively.Required Skills and Qualifications:• Expert-level proficiency in HTML, CSS, and JavaScript.• Hands-on experience with frameworks such as Angular, Vue.js, React, and Bootstrap.• Solid understanding of working with design files and converting them into interactive interfaces.• Proficient in integrating back-end services and APIs, especially with CakePHP and MySQL.• Strong background in developing scalable UI components and modular codebases.• Experience with unit and automation testing methodologies.• Excellent problem-solving, communication, and collaboration skills.Preferred Qualifications:• Experience working with cloud platforms for web application deployment.• Familiarity with advanced debugging tools and performance optimization techniques.• Prior experience in large-scale, customer-focused software projects.