Flow Traders is looking for an experienced Backend Software Engineer to join our growing Digital Assets Technology team in Amsterdam. This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business. We value quick-witted, creative minds and challenge them to make full use of their capacities. 

Software Engineers at Flow Traders build and maintain applications that are core to our business. Our systems enable Flow Traders to remain competitive on exchanges worldwide. You'll work on a variety of systems — from low-latency components that receive market data and place orders, to robust pipelines that process large volumes of data reliably and efficiently.

In this role, you’ll be part of a small, business-aligned team working closely with Traders and Quantitative Researchers. This tight feedback loop ensures immediate insight into the impact of your work and encourages ownership. We emphasize code quality, shared libraries, reusability, and evolving architectural best practices — all within an agile environment.

What you will do

• Design, develop, and maintain complex trading systems using Java, Go or Rust
• Collaborate with quantitative analysts, traders, and other stakeholders to understand business requirements and translate them into technical solutions
• Gain expertise in blockchain protocols and crypto trading to enhance system functionality and align with evolving market needs
• Stay current with industry trends and emerging technologies to suggest and implement improvements in our technology stack
• Participate in code reviews, testing, deployment and adoption processes to ensure high-quality, robust software solutions

What you need to succeed

• BSc or MSc in Computing Science, Mathematics or other quantitative fields
• 3+ years working experience in professional software development using Java or Go
• Motivation and openness to learn Rust, with support and mentorship from the team
• In-depth knowledge of algorithms and data structure.
• Experience in parallel and multithreaded programming
• Ability to communicate with technical and business colleagues
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment
• Strong sense of teamwork and ownership and willingness to learn new skills
• Interest in crypto trading and blockchain technology is a plus
• Proficiency in Python is a plus 

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.