Hiring an Immutable Infrastructure developer brings numerous benefits. They help create and manage systems that are more predictable, standardized, and stable, reducing the risks associated with manual configuration and system drift. Their expertise enables faster and safer deployment of applications, improved recovery and rollback capabilities, and easier scaling. They also help in reducing downtime, improving security, and enhancing developer productivity by maintaining consistency across different environments. This ultimately leads to better system reliability, performance, and cost-effectiveness.