artembratchenko
Backend Software Engineer
7+ years building high-performance systems in Node.js and TypeScript. Deep expertise in blockchain infrastructure — built and maintained a production crypto wallet backend serving real-time trading across Solana, Ethereum, BSC, Base, Tron, Ton, and Sui. Microservices, PostgreSQL, Redis, message queues.
Looking for a backend role in DeFi or blockchain infrastructure — trading systems, indexers, wallet backends, or protocol-level work. Strongest on Solana but experienced across EVM and non-EVM chains. Open to interesting Web3 projects with strong engineering culture.
Looking for a backend role in DeFi or blockchain infrastructure — trading systems, indexers, wallet backends, or protocol-level work. Strongest on Solana but experienced across EVM and non-EVM chains. Open to interesting Web3 projects with strong engineering culture.
Experience: 7 years
Yearly salary: $110,000
Hourly rate: $55
Nationality: 🇺🇦 Ukraine
Residency: 🇺🇦 Ukraine
Experience
Backend Engineer
AlphaOne 2023 - 2026
Sole backend engineer for a decentralized crypto wallet and trading platform. Responsible for architecture, development, and maintenance of the entire backend infrastructure. Implemented multi-chain trading across Solana, Ethereum, BSC, Base, Tron, TON, and Sui with 15+ DEX integrations. Built blockchain indexers, algorithmic trading features, and real-time data streaming. Additional responsibilities included product design participation, partner coordination, system monitoring, and cross-team collaboration.
Skills
aws
defi
ethereum
evm
postgres
rabbitmq
solana
typescript
node
english
ukrainian