1. Responsible for the development of the contract portion of the company's DApp applications and participation in the architectural design of contracts;

2. Responsible for the development of cross-chain contracts for the company's Depin middleware platform;

3. Participate in requirement reviews, design and implement technical solutions, and write technical documentation.

1. Over 3 years of experience in smart contract development, with at least 2 years of experience in EVM contract development;

2. Proficient in Solidity programming, capable of writing efficient and secure smart contracts. Familiar with development and testing frameworks such as Hardhat and Foundry;

3. Familiar with the infrastructure and transaction protocols of at least two major public chains (Bitcoin / Ethereum / Solana / Sui / Ton, etc.);

4. Knowledgeable about common cryptographic algorithms and protocols (such as hash functions, signature algorithms, asymmetric encryption, etc.);

5. Understand common smart contract security vulnerabilities (such as reentrancy attacks, overflow attacks, etc.) and able to effectively prevent them;

6. Strong logical thinking skills, a passion for technology, a strong sense of responsibility, and good team spirit.

Preferred Qualifications:

1. Experience in cFunction or Move smart contract development is a plus;

2. Experience in smart contract auditing is a plus;

3. Development experience with DePIN public chains or middleware platforms is a plus.