Senior Java Software Engineer - Financial Markets
Our Take
Build real-time trading systems for ING's global Financial Markets teams.
What you’ll do
- Design and develop robust backend services
- Expose services via modern REST APIs
- Improve architecture, scalability, and infrastructure
- Enhance performance and reliability in production
- Collaborate with business experts and traders
- Apply high-quality engineering practices
- Troubleshoot and resolve production issues
What they’re looking for
- MSc in Computer Science or equivalent
- 5+ years building production-grade software
- Java, Spring Boot, Git, SQL expertise
- Strong analytical and problem-solving skills
- Good command of English
What you get
- Salary: 9,600 - 16,000 PLN (Engineer III)
- Salary: 13,000 - 22,000 PLN (Engineer IV)
- Work in global hubs (London, Amsterdam, NY)
- Intersection of technology and finance
Skills & Focus Areas
- Java
- Spring Boot
- Git
- SQL
- REST APIs
- CI/CD
- algorithms
- data structures
As posted by ING Group NV
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".