About this role
ING Hubs Poland is hiring!
The expected salary for this position: 9 600 - 16 000 PLN - Engineer III 13 000 - 22 000 PLN - Engineer IV
The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.
Work environment Join a high-impact engineering team delivering cutting-edge solutions for Financial Markets. We build systems used daily by sales teams, traders, and risk managers across global hubs: London, Amsterdam, Brussels, New York, and Singapore. Our focus is on derivative products across multiple asset classes (equities, commodities, interest rates). You will contribute to platforms that automate the full trading lifecycle - from client quote requests to pricing, booking, and risk management - in highly dynamic, real-time environments. This is a unique opportunity to work at the intersection of technology, finance, and global collaboration, where your work directly influences business decisions.
Your responsibilities:
• Design and develop robust backend services and expose them via modern REST APIs, • Continuously improve architecture, scalability, and infrastructure, including CI/CD pipelines, • Enhance performance, reliability, and system resilience in production environments, • Collaborate closely with business experts, traders, and quants to deliver complex features, • Apply and promote high-quality engineering practices, including automated testing, • Proactively identify, troubleshoot, and resolve issues, ensuring long-term stability.
We are looking for you, if you have:
• MSc in Computer Science or equivalent practical experience, • 5+ years of experience building and maintaining production-grade software, • Strong foundations in algorithms, data structures, design patterns, and concurrency, • Knowledge of equity derivatives or trading concepts, • Experience in financial markets or fintech environments, • Proven ability to build modular, testable, and maintainable systems, • Hands-on expertise in Java, Spring Boot, Git, and SQL, • Strong analytical thinking and a problem-solving mindset, • Good command of English (written and spoken), • readiness to travel to Belgium.
You'll get extra points for:
• Familiarity with market data providers and APIs (e.g., LSEG / RFA, Bloomberg B-Pipe).
The role naming convention in the global ING job architecture will be “Engineer III" or "Engineer IV".