Hiring a CloudFormation Templates developer allows you to automate and standardize AWS resource deployment. They can create, manage, and update a collection of AWS resources, ensuring consistent infrastructure setups across your business. The developer ensures the code is reusable, which saves time and effort in the future. They also help in maintaining infrastructure security and resilience, facilitating immediate disaster recovery. Their expertise allows for efficient cost management, as they can design templates to optimize resource usage, thus saving money. They can also integrate these templates with other AWS services for a comprehensive solution.