Blockchain Senior Backend Engineer

Workplace: remote Requirements 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 We offer Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota Competitive compensation that depends on your qualification and skills Career development system with clear skill qualifications Flexible working hours aligned to your schedule Options to work remotely Corporate medical insurance covering services of private and public medical centers English courses online Corporate parties and events for employees and their children Internal conferences, workshops and meetups for learning and experience sharing Gym membership compensation 5 days of paid sick leave per year with no obligation to submit a sick-leave certificate Any questions? Naira hh@itransition.com