A UX researcher is responsible for understanding how people use and interact with technology, and using this information to design and improve user experiences. This typically involves conducting research using a variety of methodologies, such as usability testing, surveys, interviews, and data analysis. The goal of UX research is to identify user needs and preferences, and to use this information to inform the design of products and services. UX researchers may also be involved in creating user personas and journey maps, conducting user testing, and presenting research findings to design teams and stakeholders. Ultimately, the work of a UX researcher is critical for ensuring that products and services are user-friendly, intuitive, and enjoyable to use.