A Kendo UI developer specializes in using Kendo UI, a comprehensive user interface framework for building interactive and high-performance websites and applications. They design and implement user interface components for JavaScript-based web and mobile applications using the Kendo UI toolkit. Tasks include creating front-end architecture, developing user interactions, debugging and troubleshooting, ensuring UI/UX feasibility, and collaborating with back-end developers and web designers to improve usability. They also optimize applications for maximum speed and scalability, maintain brand consistency, and ensure the technical feasibility of UI/UX designs. They must stay updated with latest UI trends, techniques, and technologies.