Sr. software engineer (Java) - Nykredit
We are searching for a Senior Software engineer
For this role, we are looking for someone to join Nykredit – one of the banks BEC Poland works closely with.
Nykredit is both a bank and a mortgage provider owned by an association of customers. Being customer-owned, they are in a unique position to give something back to their customers when they are doing well. Together they can simply do more for their customers and for society.
This position is based at our friendly office in Warsaw and you will join our Core Customer team part of Banking Technology. The team oversees core customer data and services.
The role offers personal development, working in a Scrum team with colleagues in both Warsaw and Copenhagen, learning from senior team members with comprehensive domain knowledge, high focus on quality assurance and automation, utilizing AI tooling in all phases of the software development lifecycle and working with Java in an on-prem setup, but also in an Azure Kubernetes Service (AKS) cloud environment. At Nykredit, we prefer to go to the office and collaborate physically, but we also could work remotely up to 8 days per month.
Your direct manager will be Development Lead Thomas Rossen located in Copenhagen.
Primary task and responsibilities include:
- Development of Jakarta EE and Spring Boot services
- API development - REST and SOAP services
- Development of event-driven architecture
- Unit, component and integration testing
- Participation in maintenance work as rotating team responsibility
- Collaboration with the team business analysts, product owner, application architect and coordinating with other teams for incident and problem handling
- Travel activities to Copenhagen 1-2 times per year
To succeed you will have:
- 5+ years of technical experience with Java EE, Jakarta EE, Spring or Spring Boot
- Knowledge of SQL, Hibernate, JPA or similar.
- Experience with microservice architecture
- Strong analytical skills and the interest of understanding the business domain.
- Experience or be willing to learn the new possibilities with AI and agentic development.
- A need to be a great team player by helping your colleagues succeed, share knowledge, take responsibility for team’s goals and take active part in the team’s events.
It’s nice-to-have experience with:
- Cloud architecture & Kubernetes
- JDK 17+
- Test automation
- AI and agentic development with tools like GitHub Copilot or Claude Code
- Kafka or other event platforms
- API gateways
Be your best self with Nykredit’s benefits!
We offer a diverse range of benefits for our employees. Here are just a few of them:
- Flexible working hours
- Mental health support
- Free lunch at the office
- Professional development
- Referral bonus up to PLN 10,000
- PLN 600 on a benefit platform a month
- Passion clubs and social events (Family picnics, salsa dancing, board games and more!)
What does the recruitment process look like?
- Send us your CV: We want to get to know you
- Screening call: Let’s chat and see if we’re a match
- Meet our talent partner and technical expert: Learn more about the job, Nykredit, and tell us more about your skills and experience.
- Meet your future manager: See who you’ll be working closely with.
- Time to sign the contract: We’re ready to welcome you to Nykredit
If you have any questions related to the position, please contact Talent attraction partner at Natalia.Cendrowska@bec.dk.
Make us aware of your talent
We are an equal opportunities employer. We hire top talent regardless of race, religion, color, national origin, sexual orientation, gender identity, and age. We encourage all qualified candidates to apply. See our full list of vacancies at
You can also learn more about Nykredit and BEC Poland by browsing our company culture book: wearebec.pdf