Hiring a json-simple developer can be beneficial for handling JSON data in your projects. They can simplify the process of parsing, generating, transforming, or querying JSON data, making your applications more efficient and user-friendly. Their expertise can facilitate seamless data exchange between servers and web applications, and ensure data integrity. They can also assist in creating APIs, enhancing interoperability of your systems. Furthermore, their knowledge can be invaluable in troubleshooting JSON-related issues, saving you time and resources. Ultimately, a json-simple developer can play a pivotal role in improving your project's functionality and performance.