- Lead the design and implementation of core DeFi protocol modules
- Develop and maintain secure, efficient smart contracts in Solidity or Rust
- Optimize contract gas costs and runtime performance across multiple blockchains
- Design and implement cross-chain interoperability and deployment strategies
- Establish DeFi protocol security standards, identify risks, and develop mitigation strategies
- Translate financial models (collateral, liquidation, incentives) into on-chain logic
- Collaborate with product, risk, frontend, and security teams for end-to-end project delivery
- Mentor junior engineers and perform code reviews to improve the team's coding quality
Requirements- Bachelor's degree or above in Computer Science, Information Security, or related fields - 3+ years of experience in smart contract or blockchain development
- Deep expertise in Solidity or Rust and strong understanding of EVM mechanics and DeFi architecture
- Hands-on mainnet deployment experience with full project lifecycle ownership
- Familiarity with major DeFi mechanisms such as AMM, lending, yield aggregation, and oracles
- Knowledge of contract vulnerabilities and attack vectors (Reentrancy, Front-running, Oracle Manipulation)
- Understanding of cross-chain technologies and Layer2 scaling solutions
- Strong system design and collaboration skills
Nice to Have:
- Core contributor or key developer experience in well-known DeFi protocols
- Familiarity with ZK, MEV protection, dynamic AMM, or DAO governance
- Experience with audit tools (Slither, Foundry, Echidna, Mythril)
- Fluent in both English and Chinese; experience supporting global business is preferred