Hiring a Bootstrap developer can greatly enhance your web development process. They are experts in using Bootstrap, a powerful front-end framework that enables responsive, mobile-first web design. They can quickly build user-friendly, attractive websites which work seamlessly across various devices. Their knowledge of HTML, CSS, and JS, coupled with Bootstrap's prebuilt components, speed up development, maintain consistency, and ensure compatibility with all modern browsers. They also can efficiently handle any bugs or issues, thus ensuring a smooth-running website that provides an excellent user experience.