Hiring an ASP.NET SignalR developer can significantly enhance your web application's real-time functionality. They can implement features like live chat, real-time notifications, and instant updates, improving user experience and engagement. SignalR developers ensure seamless communication between your server and client, providing automatic reconnection support if connection drops. Their expertise helps in creating efficient and robust applications, capable of handling high traffic while maintaining optimal performance. Furthermore, they can help to reduce server load and latency, optimizing your application's speed and responsiveness. Therefore, an ASP.NET SignalR developer is a valuable addition to your team.