The role of a UX designer in technology development is to enhance user satisfaction by improving the usability, accessibility, and interaction between users and products. UX designers conduct user research to understand needs and behaviors, creating personas and user journeys. They then develop wireframes and prototypes to visualize and test design concepts. Their iterative design process focuses on ensuring that technical products are intuitive and user-friendly. Ultimately, a strong UX design can lead to better product adoption and improved customer experiences.