A full-stack web developer is responsible for designing, developing, and maintaining both the front-end and back-end of a website or web application. They possess a comprehensive skill set that includes proficiency in front-end technologies such as HTML, CSS, and JavaScript for creating user interfaces, as well as expertise in back-end technologies like server-side scripting, databases, and server management. Full-stack developers bridge the gap between user experience and server-side functionality, ensuring seamless interaction and efficient data processing. They collaborate with cross-functional teams, handle server-side logic, optimize database performance, and integrate front-end elements. This versatile role demands adaptability and a holistic understanding of web development to create robust and cohesive digital solutions.