User experience designers must be able to understand and empathize with the people who will be using the products they design. They need to be able to put themselves in users' shoes and understand their needs, wants, and goals. Only then can they design products that will be truly user-friendly and useful.
In addition to being able to empathize with users, UX designers must also be able to think creatively and holistically. They need to be able to see the big picture and find creative solutions to problems. They can't just be focused on the details; they need to be able to step back and think about how all the pieces fit together.
Finally, UX designers need to have a strong foundation in both design and technology. They need to understand the principles of good design and know how to create beautiful and user-friendly interfaces. They also need to be comfortable working with code and be able to prototype their designs.