Flow Traders is looking for an experienced Back-End Blockchain Engineer to join our growing Digital Assets Technology team in Amsterdam. This is a unique opportunity to work at a leading proprietary trading firm with an entrepreneurial and innovative culture. We value sharp, creative minds and challenge our engineers to leverage their full potential in a high-performance environment.

 

What you will do

You will work closely with trading desks and deliver fitting solutions for DEX Trading. We expect you to be able to push the team to grow our Blockchain understanding and bring in protocol specific knowledge & best practices. To enable that, we strive to follow the best software engineering practices and are supported by the best working environment, latest technology and continuous support from all parts of Flow Traders organization.

 

What you need to succeed

• BSc, MSc, or PhD in Computer Science, Software Engineering, or related fields
• 8+ 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

 

Nice to have 

• Experience working with on-chain data analysis, indexers, and oracles
• Knowledge of MEV (Maximal Extractable Value) strategies and blockchain transaction ordering
• Prior experience working in low-latency, high-performance trading environment

Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders.