1. Design, development, maintenance and optimization of back-end server for home robot products. 2. Module outline design and detailed design based on requirements and overall design. 3. Server side software development coding, debugging and unit testing.

1. Bachelor degree or above, major in computer science or related field. 2. At least 2 years experience in server development, possess the knowledge of server development, testing, deployment, operation and maintenance. 3. Proficient in JAVA programming language, more than 3 years experience in JAVA development. 4. Familiar with MySQL database, understand at least one kind of NoSQL. 5. Familiar with SpringMVC, SpringBoot framework. 6. Familiar with websocket, TCP/UDP long connection, have a certain understanding of MQTT and XMPP. 7. Understanding of network programming and multi-threaded programming. 8. Have account system development experience is preferred. 9. Have Android/iOS software development experience is preferred. 10. English level is 4 or above, able to communicate in English.11. Strong logical thinking ability, good team player, willing to share and be willing to take responsibility.