Hiring a Code Reviews developer is crucial for maintaining high-quality software development. They possess expertise in identifying bugs, ensuring coding standards, and improving code readability. Their role promotes collaboration, knowledge sharing, and reduces the risk of issues in production. They contribute to the overall effectiveness, efficiency, and robustness of your software, ensuring it's secure, optimized, and maintainable. Their insights can also help in training less experienced developers, accelerating their learning curve. Therefore, their contribution is essential in building a reliable and robust software system.