Hiring a Contentful developer is beneficial for managing and delivering content across multiple platforms. They have the expertise to leverage Contentful's API-first content management system, which provides flexibility, scalability, and speed in deploying your content. This leads to enhanced user experience and engagement. Moreover, they can efficiently integrate Contentful with other technologies in your tech stack, ensuring a seamless flow of data. Their skills can help in creating personalized content-driven applications, improving your brand's digital presence and customer interaction, ultimately driving business growth.