1)Good knowledge of Typescript and NodeJs is required, and other programming language like Java/Go is preferred; 2)Familiar with popular backend frameworks such as ExressJs/NestJS, Spring; 3)Familiar with SQL and NoSQL database; 4)Experience in using public cloud platform such as Azure, AWS, GCP 5)Knowledge about public cloud pricing model is a preferred 6)Familiar with Redis and message queue technology 7)Nice to have GenAI and data analysis knowledge is good plus 8)Experience in Cloud-native development with SAP BTP or other PaaS is good plus.