1. Job Responsibilities

- Responsible for the design, development, and deployment of smart contracts based on Solidity (EVM) or Rust (Solana).

- Design and implement on-chain protocol logic (such as transaction matching, liquidity mining, NFT mechanisms, DAO governance, etc.).

- Collaborate with front-end, back-end, and product teams to complete contract layer integration for DApp products.

- Participate in contract security audits, self-testing, and vulnerability remediation to ensure the project's secure launch.

- Keep up with the development of the Ethereum ecosystem and propose protocol optimization suggestions and new technical solutions.

2. Job Requirements

- Proficient in Solidity programming, familiar with EVM execution principles and Gas optimization.

- Extensive experience in mainnet deployment, familiar with common contract development frameworks (Hardhat, Foundry, Truffle, etc.).

- Familiar with mainstream protocol code or fork experience, such as OpenZeppelin, Uniswap V2/V3, Compound.

- Possess good coding standards, unit testing capabilities, and version management experience (e.g., Git).

- Have a certain level of security awareness, understanding common contract attack methods such as reentrancy attacks, flash loans, and overflows.

3. Preferred Qualifications:

- Experience in participating in on-chain projects such as NFT, DeFi, Staking, Bridge, L2 Rollup.

- Experience in smart contract security auditing or CTF.

- Familiar with cutting-edge concepts such as zk, Account Abstraction, ERC-4337, Eigenlayer.

- Experience in deploying or maintaining RPC nodes, Subgraph, The Graph, and other infrastructure.