Itransition

Blockchain Middle Backend Engineer

In short

This Blockchain Middle Backend Engineer role builds production-grade backend services in Go or Node.js/TypeScript, with a focus on Ethereum and EVM-compatible blockchain integrations, on-chain data processing, and REST API design. The company is a software development outsourcing firm (Itransition) serving clients like PayPal, Wargaming, and Toyota. It requires 3+ years of engineering experience, blockchain libraries (ethers.js, web3.js, viem, Hardhat, Foundry), and skills in PostgreSQL/MongoDB, Redis, Kafka/RabbitMQ, Docker, and CI/CD. The role is based in Minsk with onsite, remote, or hybrid options available.

Location: Minsk; onsite, remote, or hybrid work options are available.
Company
Itransition is a software development company delivering projects for clients including PayPal, Wargaming, Xerox, Philips, adidas, and Toyota.
What you will do
•Develop production-grade backend services with Go or Node.js/TypeScript.
•Design and implement REST APIs and reliable backend infrastructure.
•Integrate applications with Ethereum and other EVM-compatible blockchain networks.
•Process on-chain data and work with blockchain nodes, RPC providers, and indexing services.
•Build integrations using blockchain libraries and tools such as ethers.js, web3.js, viem, Hardhat, and Foundry.
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, Solidity, blockchain security, and cryptographic principles.
•Experience with blockchain libraries and tools such as ethers.js, web3.js, viem, Hardhat, or Foundry, plus experience working with blockchain nodes, RPC providers, or indexing services.
•Strong problem-solving skills and ability to work independently.
Culture & Benefits
•Competitive compensation based on qualifications and skills.
•Career development system with clear skill qualifications.
•Medical expense compensation and gym membership compensation.
•Online English courses, internal conferences, workshops, and meetups.
•Corporate parties, events for employees and their children, and corporate sports competitions including cybersport.
•Five days of paid sick leave per year without requiring a sick-leave certificate.

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