Hiring a MathJax developer can be a valuable addition to your team, especially if your project involves complex mathematical notations or equations. They can help create user-friendly, accessible, and visually appealing content, ensuring mathematical equations are displayed correctly, enhancing readability and comprehension for users. Their expertise can also contribute to the development of educational tools, scientific publications or any web-based platforms dealing with mathematical content. Additionally, their knowledge can improve website performance and compatibility across different browsers, contributing to an overall better user experience.