Senior UI Engineer: React/Angular, Lead & Mentor

Quantum Technologies. LLC in Seattle seeks an experienced frontend architect to design, develop, and maintain responsive web apps, building scalable UI components and libraries. You will collaborate with UX/UI and backend teams, integrate with RESTful APIs, optimize performance, implement Redux/NgRx, and mentor junior developers. The role focuses on modern frontend frameworks, scalable architecture, and active participation in Agile ceremonies within a fast-paced environment.