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 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 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: Knowledge of equity derivatives or trading concepts Experience in financial markets or fintech environments 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". The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations. We’re a global bank with a strong European base, and our more than 60,000 colleagues serve around 38 million customers and corporate clients in over 40 countries. Joining ING means working with friendly and collaborative people towards making a positive impact on people and planet. We believe in empowering the people around us and our customers to stay a step ahead. Working here means having the autonomy to drive progress, helping to create superior customer value and contributing to our ambition of putting sustainability at the heart of everything we do. Here, we’re more than just a workplace – we’re a community of innovators, problem-solvers, and forward-thinkers, dedicated to making a real impact. Whether you’re just starting your career or seeking the next big challenge, we have opportunities that will inspire and push you to grow. Your future at ING starts with one application. Ready to join? We’ve got plenty of opportunities to match your skills and aspirations! Use the filters below the search bar – like location and job type – to help you find the perfect fit. Start exploring now and discover where your next career move could take you!