Leads end-to-end UX and UI design for enterprise and public health applications, including research, workshops, information architecture, wireframes, prototypes, high-fidelity interfaces, and design systems. Develops Figma component libraries, supports developer handoff, conducts usability testing, ensures Section 508 and WCAG accessibility, and mentors junior designers. Collaborates with product managers, engineers, public health experts, and government stakeholders in Agile environments.