Blockchain Engineer with 4+ years of expertise in DeFi protocol design, smart contract development, and blockchain security. Proven track record building gas-efficient, secure contracts for stablecoins (CDP), yield tokens, options/leverage trading, ERC-4626 vaults, staking, and cross-chain solutions. Experienced in Ethereum security research, competitive audits, and auditing production-grade DeFi systems. Skilled in Solidity, EVM chains, AWS serverless infrastructure, and full-stack Web3 development.