Main responsibilities: Responsible for the backend development and maintenance of Web3 features, ensuring system stability and scalability. *Design and implement an efficient database structure that supports the exchange of Web2 assets to Web3 assets. *Develop and maintain secure and reliable APIs to ensure smooth data exchange between the front-end and back-end. *Optimize server performance, handle high concurrency requests, and ensure smooth game operation. *Implement and monitor security measures to protect user data and system security.