1. Responsible for server-side development and architecture design of the company's blockchain products, based on the Node.js technology stack;

2. Integrate with various blockchain nodes (such as Ethereum, Polygon, Arbitrum, etc.) to implement on-chain data listening, parsing, and forwarding;

3. Develop and maintain core backend functionalities such as wallet systems, smart contract interaction modules, and transaction processing;

4. Collaborate with front-end, product, and smart contract development teams to accelerate product launch;

5. Write high-quality, testable, and maintainable code to ensure system performance and security;

6. Design and maintain databases (such as PostgreSQL, MongoDB) and caching systems (such as Redis) based on business needs;

7. Continuously monitor new technologies in the Web3 and backend development fields, participating in technology selection and system optimization.