Blockchain Middle Backend Engineer

We are looking for a Middle Blockchain Backend Engineer to join our team and help build production-grade blockchain and backend systems. The role focuses on developing services with Go or Node.js/TypeScript, integrating blockchain networks, processing on-chain data, and building reliable backend infrastructure.

Requirements

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3+ years of professional software engineering experience

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Strong experience with Go or Node.js/TypeScript and backend development

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Experience designing and implementing REST APIs and backend services

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Hands-on experience with PostgreSQL and/or MongoDB

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Practical experience with Redis and message queues such as RabbitMQ or Kafka

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Experience with Docker and CI/CD

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Practical experience integrating applications with Ethereum or other EVM-compatible blockchains

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Good understanding of blockchain transactions, wallets, token standards, and on-chain data

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Experience with blockchain libraries/tools such as ethers.js, web3.js, viem, Hardhat, or Foundry

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Understanding of smart contracts and Solidity

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Experience working with blockchain nodes, RPC providers, or indexing services

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Understanding of blockchain security and cryptographic principles

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Strong problem-solving skills and ability to work independently

We can 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
• Options to work remotely
• Compensation for medical expenses
• 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, corporate sport competitions (cybersport included)
• 5 days of paid sick leave per year with no obligation to submit a sick-leave certificate