Senior Backend Engineer (Blockchain)

Senior Backend Engineer (Blockchain) at Itransition, full-time, remote/hybrid/office, requiring 5+ years experience, Go or Node.js, and deep blockchain expertise.

Designing and building scalable backend systems, working with distributed systems, REST APIs, event-driven architecture, blockchain nodes, and L2 solutions, owning architecture and leading complex initiatives.

5+ years of professional software engineering experience Strong production experience with Go or Node.js/TypeScript Proven experience designing and building scalable backend systems from scratch Strong understanding of distributed systems, REST APIs, and event-driven architecture Strong experience with PostgreSQL and/or MongoDB, including data modeling and optimization Hands-on experience with Redis and message queues such as RabbitMQ or Kafka Strong experience with Docker, CI/CD, and AWS or Azure Production experience with Ethereum and EVM-compatible blockchains, including L2 solutions Deep understanding of blockchain architecture, transaction lifecycle, wallets, token standards, and on-chain data Experience integrating and working with blockchain nodes, RPC providers, and indexing services Hands-on experience with ethers.js, web3.js, viem, Foundry, or Hardhat Strong practical experience with Solidity and smart contracts, including testing and integration Strong understanding of blockchain security and cryptographic best practices Experience owning architecture and leading complex technical initiatives Strong problem-solving skills and ability to provide technical direction and mentor other engineers

Full-time employment Schedule: 5/2 Work format: remote, hybrid, or office