There are many reasons to hire a Cycle.js developer. One reason is that Cycle.js developers are experienced in building applications using the React JavaScript library. React is a popular library for building user interfaces, and many developers who are experienced with React are also experienced with Cycle.js. Another reason to hire a Cycle.js developer is that they can help you build performant applications. Because Cycle.js uses an event-driven architecture, applications built with Cycle.js tend to be more responsive and have better performance than those built with other frameworks.