Front end technical expert: Job responsibilities: 1 Participate in application development on various platforms, including web/browser plugins/cross end applications, responsible for implementing front-end interactions; 2. Responsible for the design and maintenance of the front-end core platform and tools, designing and iterating the front-end engineering system for the future; 3. Quickly familiarize oneself with the business and integrate into it, and solve technical problems; 4. Product usability improvement: Work closely with PM, UI, and backend engineers to improve the usability of related products and ensure the online user experience of the products.