• Develop and maintain a scalable design system using vanilla HTML, CSS, JavaScript, and Web Components. • Write semantic, accessible HTML aligned with WCAG and WAI-ARIA best practices. • Architect modular, maintainable CSS for large-scale applications. • Build flexible, reusable components with a focus on performance, accessibility, and self-documentation. • Ensure cross-browser and cross-device consistency for all UI components. • Translate Figma designs into production-ready code, collaborating closely with designers. • Contribute to design system documentation for easy adoption across teams. • Define and enforce coding standards, best practices, and governance models for long-term scalability. • Incorporate progressive enhancement and ensure graceful degradation when JavaScript is unavailable. • Partner with engineering teams to integrate components into CI/CD pipelines and ensure robust testing (unit, visual regression, accessibility). • Mentor developers on front-end architecture and design system best practices.