There are many reasons why you should hire a ReactiveX developer. Here are some of the most important ones: - ReactiveX developers are experienced in developing reactive applications. This means that they know how to design and develop applications that can handle high levels of concurrency and scale easily. - ReactiveX developers are familiar with the RxJava library, which is a powerful toolkit for creating reactive applications. This library provides developers with a wide range of operators that can be used to create highly efficient and scalable applications. - ReactiveX developers have a deep understanding of the principles of functional programming. This allows them to write code that is more maintainable and easier to understand. - ReactiveX developers are used to working with asynchronous data streams. This means that they can easily integrate data from different sources and handle real-time updates without any issues.