Itransition

Blockchain Senior Backend Engineer

In short

Senior Backend Engineer role building blockchain infrastructure from scratch, using Go or Node.js/TypeScript, with deep involvement in EVM integrations, Solidity smart contracts, and distributed backend architecture. Posted by Itransition, an outsourcing company serving clients like PayPal, Wargaming, and Toyota. Requires 5+ years of engineering experience, strong backend and blockchain expertise, and the ability to lead technical initiatives and mentor engineers. Based in Tbilisi, with onsite, remote, or hybrid options.

Location
Tbilisi; onsite, remote, or hybrid work formats available
Company
Provides projects for clients including PayPal, Wargaming, Xerox, Philips, adidas, and Toyota.
What you will do
•Design and implement blockchain infrastructure from scratch.
•Build scalable backend systems using Go or Node.js/TypeScript.
•Integrate blockchain nodes, RPC providers, indexing services, and EVM-compatible networks, including L2 solutions.
•Develop and integrate Solidity smart contracts, including testing.
•Own architecture and lead complex technical initiatives.
•Provide technical direction and mentor other engineers.
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, on-chain data, blockchain security, and cryptographic best practices.
•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 problem-solving skills and ability to provide technical direction and mentor other engineers.
Culture & Benefits
•Competitive compensation based on qualifications and skills.
•Career development system with clear skill qualifications.
•Remote work options.
•Medical expense and gym membership compensation.
•Online English courses, internal conferences, workshops, and meetups.
•Five paid sick days per year without requiring a sick-leave certificate, plus corporate events and sports competitions.

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