Hiring a Microsoft Visual SourceSafe developer can be beneficial for managing version control in your development projects. They have the expertise to handle and track all changes in your codebase, ensuring efficient rollbacks when necessary. This developer can streamline your development process, minimizing errors and system crashes, leading to improved productivity. They also ensure that your project's history is well-documented, making it easier to understand the evolution of your code. Their skills can be crucial in maintaining the integrity and stability of your software, hence improving overall project outcomes.