Blockchain Engineer

Flow Traders is looking for an experienced Back-End Blockchain Engineer to join our growing Digital Assets Technology team in Hong Kong. This is a unique opportunity to work at a leading proprietary trading firm with an entrepreneurial and innovative culture.

Requirements

• BSc, MSc, or PhD in Computer Science, Software Engineering, or related fields
• 5+ years of commercial experience in software development
• Strong expertise in one or more back-end programming languages: Python, Rust, Go, Java
• Solid experience in DeFi development (protocol interactions, arbitrage, liquidity management).
• Strong blockchain knowledge, including nodes, consensus mechanisms (PoW, PoS), and Web3
• Experience with smart contract development in Solidity and/or Rust
• Deep understanding of backend architecture, including scalable distributed systems, microservices, and event-driven processing
• Hands-on experience with cloud infrastructure (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)
• Understanding of security best practices in blockchain and back-end development (e.g., private key management, transaction signing, API security)
• Familiarity with Kafka, Redis, gRPC, and WebSockets for real-time data processing
• Experience working with on-chain data analysis, indexers, and oracles, a plus
• Knowledge of MEV (Maximal Extractable Value) strategies and blockchain transaction ordering, a plus
• Prior experience working in low-latency, high-performance trading environment, a plus