Itransition

Middle Blockchain Backend Engineer

In short

This role builds production-grade blockchain and backend systems, developing services in Go or Node.js/TypeScript and integrating Ethereum and other EVM-compatible networks. It's posted by an outsourcing company (Itransition) that delivers software projects for major clients like PayPal and Toyota. The work centers on REST API design, on-chain data processing, blockchain nodes/RPC providers/indexing services, and requires solid understanding of smart contracts, Solidity, and blockchain security/cryptographic principles. Candidates need 3+ years of backend engineering experience plus hands-on work with PostgreSQL/MongoDB, Redis, message queues, Docker/CI-CD, and EVM integration tools like ethers.js, web3.js, viem, Hardhat, or Foundry.

Location
Tbilisi; onsite, remote, or hybrid work options
Company
Itransition delivers software projects for clients including PayPal, Wargaming, Xerox, Philips, adidas, and Toyota.
What you will do
•Build production-grade blockchain and backend systems.
•Develop backend services with Go or Node.js/TypeScript.
•Integrate Ethereum and other EVM-compatible blockchain networks.
•Process on-chain data and work with blockchain nodes, RPC providers, and indexing services.
•Design REST APIs and reliable backend infrastructure.
Requirements
•3+ years of professional software engineering experience.
•Strong experience with Go or Node.js/TypeScript and backend development.
•Experience designing and implementing REST APIs and backend services.
•Hands-on experience with PostgreSQL and/or MongoDB.
•Practical experience with Redis and message queues such as RabbitMQ or Kafka.
•Experience with Docker and CI/CD.
•Practical experience integrating applications with Ethereum or other EVM-compatible blockchains.
•Good understanding of blockchain transactions, wallets, token standards, on-chain data, smart contracts, and Solidity.
•Experience with ethers.js, web3.js, viem, Hardhat, or Foundry.
•Experience with blockchain nodes, RPC providers, or indexing services; understanding of blockchain security and cryptographic principles.
•Strong problem-solving skills and ability to work independently.
Culture & Benefits
•Full-time employment with onsite, remote, or hybrid work options.
•Competitive compensation based on qualifications and skills.
•Career development system with clear skill qualifications.
•Medical expense and gym membership compensation, plus corporate sports competitions.
•English courses, internal conferences, workshops, meetups, and corporate events.
•Five paid sick days per year without requiring a sick-leave certificate.

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