Job description: 1. Responsible for building, implementing, and maintaining the backend of website, apps and related functions. 2. Responsible for the business technology architecture of related functions, driving and providing technical architecture to maximize performance, stability, expansion, security, and other important factors. 3. Reconstruct, fine-tune, and maintain back-end systems to provide consistent availability and stability. Qualifications: 1. Bachelor’s degree from a reputable or established university. Ideally in computer engineering or relevant fields. 2. More than 3 to 5 years of back-end development experience, with at least 3 years of development experience in established Web-based companies. 3. Familiar with Linux environment, proficient in TCP/IP network protocol and related programming. 4. Proficiency in the following program languages: Golang and PHP. 5. Have strong enthusiasm for in-depth research and technology, with a willingness and ability to learn.