Hiring a Full-Stack Developer provides a comprehensive solution for your project. They have the expertise to handle both front-end (user interface) and back-end (server, database) development. Their broad skill set allows for better communication among team members and a more cohesive end product. They can switch between different tasks efficiently, troubleshoot issues across the whole project, and provide a consistent vision from the user experience to the data handling. This versatility can accelerate development process, save costs, and provide a more seamless integration of various project components.