A UI developer's role is to translate creative software design concepts and ideas into reality using front end technology. They understand the user interface design solution both in its practical intent and creative vision, and convert it into engineered softwares.

The role of UI developer combines disciplines like programming, consumer psychology and graphic arts to generate software that users can navigate intuitively. While identifying efficient frameworks and tools for development, UI professionals focus on conforming to the typical behaviour and expectations of consumers. This expertise informs the design of interfaces these developers create. It is important to note that the role of UI developers differs from that of user experience (UX) developers. While UI developers work to design user components, like interactive digital media elements, UX developers focus on building the software coding behind how such user-friendly elements behave.