Produce a wide variety of design artifacts such as mental models, user personas, workflow diagrams, glossaries, site maps, wireframes, rapid or high-fidelity prototypes, test scripts, pixel-perfect mockups, engineering-ready assets, and surveys. UX Designers at this level assist with user research, create essential design deliverables like wireframes and prototypes, and collaborate closely with cross-functional teams to ensure products are intuitive, user-centered, and conform to design system guidelines.