Hiring a Force.com developer can be beneficial as they specialize in creating customized solutions on Salesforce's robust platform. They can help improve your business processes, enhance customer relationship management, and increase efficiency. These professionals know how to leverage the platform's features and tools to build scalable applications that meet your specific needs. Additionally, their expertise in Apex and Visualforce can provide more advanced customizations. They can also integrate Salesforce with other systems, ensuring seamless data flow. Therefore, a Force.com developer can significantly contribute to maximizing your Salesforce investment.