Web3 Backend Engineer

Responsibilities

• Lead backend architecture design and development for Web3 products including aggregators, data services, and wallet management.
• Develop on-chain data scraping, parsing, and structured storage mechanisms for mainstream chains.
• Design and implement high-performance APIs using RESTful, gRPC, and WebSocket protocols.
• Develop interaction modules between off-chain services and smart contracts, handling multi-chain event aggregation and transaction routing.
• Design microservices architecture and implement containerized deployment using Docker and Kubernetes.
• Optimize database (SQL/NoSQL), caching (Redis), and message queue (Kafka) solutions to ensure high availability.

Requirements

• 5+ years of backend development experience.
• 3+ years of hands-on experience with Golang, including proficiency in Goroutines, Channels, and frameworks like Gin, Go-zero, or Gorm.
• 2+ years of Web3 development experience with a deep understanding of blockchain principles and chain interaction mechanisms.
• Experience with distributed systems, including message queues (Kafka), distributed locks, and circuit breaking/rate limiting.
• Proficiency in SQL/NoSQL database optimization and Redis cache design.
• Experience with Docker, Kubernetes, and CI/CD automation workflows.