UX UI Deisnger In the role in which you understand the client, business, and end-user needs, where you do analysis, pinpoint users problems and provide a solution to problems, create an information architecture, create workable wireframing, conduct user testing, and finally create an animated prototype, and handover it to the UI UX developer is called UI UX Designer. UX UI Developer In the role where you take handover of working and client approved prototype from UI UX Design, you start using coding languages like JavaScript, CSS, Bootstrap, C++, HTML5, and many more languages like this to create the final product live are called UI UX Developers. Our mastery is into the design and we create designers and not the coder/developers.