Java Software Engineer - Financial Markets

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 APIsContinuously improve architecture, scalability, and infrastructure, including CI/CD pipelinesEnhance performance, reliability, and system resilience in production environmentsCollaborate closely with business experts, traders, and quants to deliver complex featuresApply and promote high-quality engineering practices, including automated testingProactively identify, troubleshoot, and resolve issues, ensuring long-term stability We are looking for you, if you have: MSc in Computer Science or equivalent practical experience5+ years of experience building and maintaining production-grade softwareStrong foundations in algorithms, data structures, design patterns, and concurrencyProven ability to build modular, testable, and maintainable systemsHands-on expertise in Java, Spring Boot, Git, and SQLStrong analytical thinking and a problem-solving mindsetGood command of English (written and spoken) You'll get extra points for: Knowledge of equity derivatives or trading conceptsExperience in financial markets or fintech environmentsFamiliarity 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". The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.