#vacancy #remote #blockchain


🔥 Blockchain Backend Developer
Remote (EU time zone preferred)

🚀 About the role:
We’re looking for an experienced backend developer to work on high-load crypto infrastructure: blockchain indexers, transaction processing, node integrations, and wallet/payment systems.

Responsibilities:
• Develop and maintain blockchain indexers (EVM, BTC-like, TON, Solana, etc.)
• Handle deposits/withdrawals and secure transaction signing
• Integrate with blockchain nodes via RPC/REST/gRPC
• Design scalable, fault-tolerant architectures
• Optimize PostgreSQL queries and database schemas
• Implement monitoring, logging, and security best practices

Requirements:
• 3+ years in backend development (2+ years in crypto/blockchain)
• Strong experience with TypeScript (NestJS) and/or Go
• Deep understanding of EVM, BTC-like, TRON, TON APIs/RPC
• Experience with web3.js, ethers.js, or similar libraries
• Hands-on experience building blockchain indexers
• Solid SQL skills and experience with zero-downtime migrations
• Strong understanding of transaction security and key management

We offer:
• Competitive salary + performance bonuses
• Flexible working hours
• 24 paid vacation days
• Strong engineering team & challenging technical tasks

📩 Contact @zmslv