Job responsibilities: 1. Responsible for technical solution options and design of product front-end. 2. Participate in construction, improve common components, front-end architecture, engineering system, and guide other engineers to complete front-end development work; 3. Responsible for the design and development of the web front-end presentation layer and back-end interaction; 4. Have sensitive control and optimization methods for user experience and front-end performance, and solve compatibility issues with various browsers