DeFi smart contract development involves creating automated, self-executing contracts for decentralized finance (DeFi) platforms. These contracts facilitate peer-to-peer transactions without the need for intermediaries. Smart contracts are programmed to execute actions like lending, borrowing, staking, and token swaps based on predefined conditions. Developers use blockchain platforms like Ethereum, Solana, and Polygon to design secure, scalable, and transparent smart contracts that support DeFi applications. DeFi smart contract development ensures that transactions are trustless, efficient, and immutable, revolutionizing the finance sector by promoting decentralization and reducing operational costs.