Hiring a Merciless Refactoring developer is advantageous for maintaining high-quality, efficient code. They are experts at restructuring existing code without changing its external behavior, thereby enhancing its nonfunctional attributes. This results in a more readable, clean, and understandable codebase, making it easier to maintain and troubleshoot. Their approach eliminates redundancies, improves performance, and reduces potential bugs, leading to more reliable software. By continuously improving the codebase, these developers help to future-proof your project, making it easier to implement new features and adapt to changing requirements. Therefore, they can significantly boost your development efficiency and product quality.