A Foundation Zurb developer is responsible for creating responsive and interactive websites and applications using the Foundation framework. They utilize Zurb's tools and libraries, such as HTML, CSS, JavaScript, and Sass, to build user-friendly interfaces that work seamlessly on various devices. They ensure high performance and maintainability by adhering to best coding practices. Their role also involves debugging and fixing issues, enhancing website functionality, and collaborating with designers to implement visual design intent. They must stay updated with the latest trends in web development, particularly those related to the Foundation framework.