Hiring a Dart developer brings numerous benefits to your project. Firstly, Dart is a modern, easy-to-understand language that promotes a faster development process. Developers can construct high-quality, scalable applications quickly, reducing development time and costs.

Dart's robust architecture and strong typing prevent many potential bugs, enhancing the application's stability and performance. It supports both just-in-time (JIT) and ahead-of-time (AOT) compilation, which ensures fast app startup time and smooth animations, providing a better user experience.

Dart is the primary language for developing applications in Flutter, Google's UI toolkit. This enables developers to build beautiful, natively compiled applications for mobile, web, and desktop platforms from a single codebase, increasing productivity and efficiency.

The Dart ecosystem provides a wide range of tools and libraries, which help developers to implement complex functionalities with ease. It also has excellent documentation and community support, which can be beneficial in resolving issues quickly.

Lastly, Dart ensures easy maintenance and scalability due to its modular and reusable code structure. This means as your business grows, your application can grow with it without significant additional development work. Thus, a Dart developer can provide a flexible, efficient, and cost-effective solution for your software needs.