Full-Stack Developer (Node.js, TypeScript)

In my recent roles, I have worked extensively with Node.js and TypeScript, developing scalable backend systems, microservices, and real-time applications. A significant part of my experience is related to blockchain and crypto domains, including on-chain transaction processing across Bitcoin, Ethereum, and TRON-based networks, crypto payment integrations, and working with custody and compliance providers such as Fireblocks and KYC services.

Alongside my backend experience, I am actively deepening my expertise in smart contract development. I work with Solidity and use Hardhat and Foundry for writing, testing, and benchmarking contracts, with...