Software Security Backend Engineer (Java)
At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
We’re looking for a highly skilled backend engineer with both strong hands-on coding expertise and deep security knowledge to shape next-generation security solutions. You will design and build secure, scalable services using modern Java, Spring Boot, and cloud-native technologies, contributing to a Zero Trust platform for one of the world’s leading financial institutions.
This is more than just coding — you’ll drive industry best practices, mentor other engineers, and influence technology direction across a broad engineering community.
Sounds like your kind of challenge?
What you get in return
- Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.) - Hybrid work setup – remote days available depending on the client’s arrangements
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided
- Expert knowledge of Java 21+ (including JVM internals, memory management, Project Loom) and modern Spring ecosystem
- Solid experience with secure coding practices and building authentication/authorization flows using OAuth2/OpenID Connect
- Proven experience with Google Cloud Platform components (particularly GKE, Cloud Spanner, Cloud SQL)
- Strong practical experience in event-driven architecture with Kafka or Pub/Sub
- Demonstrated ability to think strategically about risk, security, and future technology adoption
- Influential leadership skills: capable of transferring expertise and guiding teams across the organization
- Hands-on problem-solving mindset, adaptable across multiple domains (not just a network or back-end specialist, but a generalist who thrives on complex challenges)
- Demonstrated thought leadership via technical blogs, open-source contributions, or community engagement is a plus
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.