Hiring a Code First developer is beneficial because they prioritize coding and logic over database design. This developer emphasizes on creating a robust, flexible codebase first, ensuring the software performs efficiently and effectively. They are skilled in creating databases directly from code, which leads to cleaner, more maintainable code and reduces redundancy. Moreover, they possess the ability to adapt to changes quickly, making the development process more productive. Their expertise can significantly improve the speed, quality, and reliability of your software development project.