Senior Java Software Engineer

REQ-10120950
08/09/2026
IT Engineering
Katowice, Poland
Warsaw, Poland
Warszawa
ING Hubs

ING Hubs Poland is hiring!

The expected salary for the position of:

Engineer III - 9 600 - 16 000 PLN gross
Engineer IV - 13 000 - 22 000 PLN gross

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

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,
Knowledge of Micro-Services architecture, container technologies: Docker, OpenShift,
Experience and understanding of (test) automation, continuous delivery, deployment tools and pipelines,
Strong analytical thinking and a problem-solving mindset,
Good command of English (written and spoken).

You'll get extra points for:

Experience in front-end development.

Your responsibilities:

Design and develop robust full-stack application,
Continuously improve architecture, scalability, and infrastructure, including CI/CD pipelines,
Enhance performance, reliability, and system resilience in production environments,
Apply and promote high-quality engineering practices, including automated testing,
Proactively identify, troubleshoot, and resolve issues, ensuring long-term stability.

The role naming convention in the global ING job architecture will be “Engineer III" or "Engineer IV".

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ING’s vision is to unlock our people’s full potential through our inclusive culture where everyone has the opportunity to develop and have impact for our customers and society. To achieve this vision, our policies support diversity, equity, and inclusion. As an equal opportunity employer, we do not tolerate discrimination of any kind with regard to age, gender, gender identity, cultural background, experience, religion, race, ethnicity, disability, family responsibilities, sexual orientation, social origin, or any other status protected by applicable law. If you require any assistance or if we can accommodate you in any way when participating in our application and/or interview process, please email the recruiting contact listed for the relevant position. We will be happy to work with you to ensure a fair and accessible process. Read more about our commitment to diversity, inclusion and belonging here.