1. Design and develop smart contracts for decentralized applications based on Solana or EVM ecosystems. 2. Write efficient and secure smart contracts using Solidity or other smart contract languages, and ensure seamless integration with front-end and back-end systems. 3. Implement and optimize the core functions of blockchain applications, including but not limited to asset management, transaction execution, and security verification. 4. Coordinate with other team members (including front-end engineers, back-end engineers, and product managers) to ensure timely delivery and high-quality completion of the project. 5. Research and apply the latest blockchain technology and industry best practices to optimize existing products and drive technological innovation.