Kyrylo Sotnykov

Full-stack engineer with 7+ years in building scalable web and mobile products, from real-time messengers and PWAs to institutional-grade Web3 and Fintech platforms. Combines deep front-end expertise (React, Vue, React Native) with strong backend skills in NestJS, Node.js and PostgreSQL. Experienced in blockchain integrations (Ethers.js, WalletConnect, Solidity, HSM/KMS) and microservice architectures. Leads small teams, optimizes performance and delivers secure, production-ready solutions for high-load, data-sensitive
systems.