“User experience (UX) is the interaction and experience users have with a company’s products and services. … User interface (UI) is the specific asset users interact with. For example, UI can deal with traditional concepts like visual design elements such as colors and typography.
UX design is all about identifying and solving user problems; UI design is all about creating intuitive, aesthetically-pleasing, interactive interfaces. UX design usually comes first in the product development process, followed by UI.
UX design refers to user experience design, while UI design stands for user interface design. Both of these are crucial to an IT product and need to work closely together.
A UI, UX, and front-end web developer is responsible for applying interactive and visual design principles on websites and web applications for a positive and cohesive user experience. These developers use HTML, CSS, and other design tools to achieve responsive designs.