Position: UI Principal Engineer Location: Whippany, NJ Experience: 15+ yrs A strong UI Engineer should be highly proficient in Angular (components, services, RxJS, routing) and modern JavaScript/TypeScript concepts, with the ability to build responsive, modular, and high performance web applications. They should also have solid knowledge of HTML5, CSS3, REST API integration, state management, and UI/UX best practices to deliver clean, maintainable, and user friendly interfaces.