**Job Responsibilities**.- Architect efficient, reusable front-end systems that drive complex web applications.- Understand software product requirements and fully restore front-end pages using front-end technologies based on product design documents and visual documentation;- Participate in all phases of product planning, design, development and testing to build the front-end system architecture for the company's product line.- Ensure code maintainability, scalability and reusability.- Identify and improve web performance bottlenecks.- Research and explore new front-end technologies based on business needs and promote innovation and application of front-end technologies.