Hiring a Less/Sass developer can significantly streamline your website development process. These developers can write cleaner, more manageable CSS, thanks to the advanced features of Less/Sass like variables, nesting, and mixins. This results in faster development, easier maintenance, and improved website performance. They can also build responsive designs with precision, ensuring your site looks great across all devices. Their expertise can be a valuable asset for creating efficient, scalable, and visually appealing web applications.