Middle/Senior Backend Engineer

📋 Description

• Develop backend services using Go with ethkit and go-ethereum for Ethereum interactions and RPC
• Integrate with ZK Stack infrastructure: work with EraVM, system contracts, and L1↔L2 messaging
• Build and maintain wallet backend indexing integrations for real-time token balance tracking and
• Design and implement APIs for NFT marketplace and orderbook services, including on-chain order
• Implement smart contract interaction layer using abigen-generated Go bindings for ERC-20/721/1155
• Build Account Abstraction (ERC-4337) backend support: UserOperation submission and monitoring

🎯 Requirements

• 2+ years of commercial experience with Go
• Strong understanding of MongoDB and PostgreSQL (query optimization, indexing)
• Experience with Redis for caching and session management
• Knowledge of message queues (NATS, RabbitMQ, or similar)
• Experience designing and implementing REST APIs with OpenAPI/Swagger
• Understanding of microservices architecture patterns

🎁 Benefits

• Unlimited Flexible Time Off for work-life balance
• Private health insurance (ДМС) with dental coverage for you and your family
• Personalized career roadmap with clear growth paths
• Professional development through training and educational opportunities
• Annual corporate events and team gatherings
• Remote-first culture with flexible working hours