Ihor Yasinskyi

Solidity / Web3 Developer & Smart Contract Auditor Solidity developer with 4+ years of experience in smart contract development and auditing and 3+ years in JavaScript/TypeScript. Built and audited DeFi protocols, staking systems, tokenomics, upgradeable and cross-chain contracts (LayerZero OFT). Hands-on experience with prediction markets (Polymarket, Kalshi, Opinion), including sniper bots, trading bots, volume/analytics bots, and deep integration with platform SDKs and APIs. Strong focus on security-first architecture, gas optimization, logic & tokenomics audits, and real-world adversarial scenarios. Stack: Solidity, Hardhat, Slither, EVM, ERC20/721/1155, UUPS/Proxy, Node.js, TypeScript. Open to high-impact Web3 / DeFi / prediction market projects.