Blockchain Senior Backend Engineer
We are looking for a Senior Blockchain Backend Engineer to join our team and take ownership of designing and implementing blockchain infrastructure from scratch. The role combines Go or Node.js/TypeScript backend development, blockchain integrations, distributed systems, and technical architecture.
Requirements
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5+ years of professional software engineering experience;
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Strong production experience with Go or Node.js/TypeScript;
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Proven experience designing and building scalable backend systems from scratch;
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Strong understanding of distributed systems, REST APIs, and event-driven architecture;
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Strong experience with PostgreSQL and/or MongoDB, including data modeling and optimization;
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Hands-on experience with Redis and message queues such as RabbitMQ or Kafka;
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Strong experience with Docker, CI/CD, and AWS or Azure;
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Production experience with Ethereum and EVM-compatible blockchains, including L2 solutions;
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Deep understanding of blockchain architecture, transaction lifecycle, wallets, token standards, and on-chain data;
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Experience integrating and working with blockchain nodes, RPC providers, and indexing services;
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Hands-on experience with ethers.js, web3.js, viem, Foundry, or Hardhat;
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Strong practical experience with Solidity and smart contracts, including testing and integration;
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Strong understanding of blockchain security and cryptographic best practicesExperience owning architecture and leading complex technical initiatives;
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Strong problem-solving skills and ability to provide technical direction and mentor other engineers.
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