Senior Java backend developer for financial services portal platform.
Build and maintain high-performance backend services and APIs for a fintech organization using Java and modern containerization tools. You'll design data models, work with relational and NoSQL databases, collaborate with frontend teams on API integration, and manage deployment in Docker/Kubernetes environments. The role requires 5+ years of backend experience and is based in Warsaw with hybrid flexibility.
Found at a specialist agency · listed 8 October 2026 · InsideJobs links you to the original posting.