The qualities of a good UI designer are numerous because apart from his higher education diploma and his years of experience, there are other necessary criteria to complete it. First of all, he must master the various digital tools as well as Internet tools. This profession also requires a considerable marketing culture. Secondly, he must be at ease with relationships, that is to say, he must be able to integrate a team and adapt quickly. One speaks then about a flawless oratory capacity. Finally, thirdly, he must also have a strong analytical capacity which is very important for the creation of a new product and to have new ideas to propose for the improvement of the company's interface and this with good graphic skills. 

The main role of a UI designer in a company is to ensure the creation, modification and updating of the digital interface of the product or the company's brand. Thus, the company's products, brands and services do not go unnoticed by its customers. The creation and innovation of the digital interface is one of the ways for the company to attract more customers and this is ensured by a UI designer thanks to various software that allows him to put his ideas flat and share them with other developers to make them real. To fulfill his role, he works in the framing of the digital interface design project using a multitude of graphic creation programs, photomontages or illustrations while respecting the rules and constraints in his field of work. He also develops the modeling and prototyping of future web and mobile interfaces.

The UI designer is in charge of creating a functional interface for a company's or a brand's product. His or her work focuses on graphic, textual and visual elements in order to make the interface attractive. It is necessary to have the right profile to work as a UI designer. To achieve this, it is necessary to have a higher education degree in art school, or in graphic design, but also a specialized master's degree. At least two years of experience in UI design is important. Indeed, he must master the tools adapted for the job, in particular wireframing and prototyping tools such as the Adobe suite: Illustrator, Photoshop, InDesign and Sketch. Apart from that, a good understanding of the principles of Web interface development is useful, such as: XHTML integration, AJAX, Web standard. 

A company must recruit a UI designer if it works in the digital world or if it has a connection with the digital world. Indeed, it is important to know that a company that does not have a website and that is not displayed on the networks does not need a UI designer. A digital company or a company related to the digital world must recruit a UI designer to highlight its digital interface. A UI designer is the best qualified to do this job and moreover this job is in perpetual evolution. Indeed, he has made higher courses while acquiring the necessary experience to master digital tools and web tools. He is forged to be able to ensure a good design representation of the company's digital interface. It is good to know that he can manage the position of an art director who is totally within his skills.