Senior/Lead Smart Contract Engineer

Required Skills & Experience Must-Have Experience: 3+ years building production smart contracts in Solidity Direct experience building smart contracts for a perpetuals DEX (this is non-negotiable) Deep understanding of perpetual futures mechanics: funding rates, margin systems, liquidation engines, and PnL calculations Production experience with oracle integration (Chainlink, Pyth, or custom oracles) Strong grasp of DeFi protocol design patterns and composability Experience with Hardhat, Foundry, or similar development frameworks Track record of contracts handling significant TVL ($10M+) in production Technical Expertise: Advanced Solidity optimization techniques and gas efficiency patterns Smart contract security best practices and common vulnerability patterns Experience coordinating external security audits Understanding of Layer 2 scaling solutions (Arbitrum, Optimism, etc.) Proficiency with automated testing and continuous integration for smart contracts