There are many advantages of hiring a Non-functional testing developer, some of which include:
They can help improve the overall quality of your software product by identifying and fixing defects that would otherwise go undetected.
They can save you time and money by catching errors early on in the development process before they have a chance to propagate and cause more damage.
They can improve the usability of your software product by making sure it meets all relevant standards and guidelines.
They can give you peace of mind knowing that your software product is thoroughly tested and ready for release.