Backend Engineer (Mid–Senior, 4+ Years Golang) – DeFi Company (US-Based)

Location: United States (Remote or Hybrid)
Experience: 4+ years Golang (6–10 years total preferred)
Industry: DeFi / Blockchain

About the Role

Join a fast-growing DeFi company building financial infrastructure for decentralized markets. As a Backend Engineer, you’ll develop high-performance services that power trading, liquidity, and on-chain integrations.

Key Responsibilities

• Build and maintain backend services in Golang for DeFi applications
• Design and implement APIs for trading systems, wallets, and blockchain integrations
• Work on high-throughput, low-latency systems handling financial data
• Integrate with blockchain networks (Ethereum, Layer 2s, or others)
• Collaborate with frontend, smart contract, and DevOps teams
• Ensure reliability, security, and scalability of backend systems

Requirements

• 4+ years of professional Golang experience
• Strong background in backend system design and distributed systems
• Experience building financial systems, trading platforms, or real-time data services
• Familiarity with blockchain ecosystems (Ethereum, RPC nodes, indexing)
• Experience with relational and NoSQL databases
• Understanding of security and performance optimization

Nice to Have

• Experience with DeFi protocols (AMMs, lending, derivatives)
• Familiarity with event-driven architectures (Kafka, NATS)
• Experience with WebSockets and real-time streaming systems
• Prior work in fintech, trading, or crypto-native companies