April 24, 2026
Senior Fullstack Developer (Java + Angular)
Senior • Hybrid
Warsaw, Poland
About the project
You will join an international team working on the modernization of an enterprise-class system in the corporate banking area. The project focuses on transforming a legacy system into a modern architecture based on microservices and building efficient, scalable APIs.
We work in an environment:
Microservices + monolith (hybrid architecture)
DDD (Domain-Driven Design)
Hexagonal architecture
Reactive stack (WebFlux, Project Reactor)
SAFe Agile
Your responsibilities
Designing and implementing REST API
System integrations (system-to-system communication)
Refactoring the legacy system and migration to microservices
Working on system modernization and development
Creating solutions in reactive architecture
Frontend support (Angular – basic level is sufficient)
-
Writing tests:
unit tests (JUnit, Jasmine)
BDD (Cucumber)
Participating in code reviews and ensuring code quality
Working according to SOLID principles and design patterns
Working with SQL databases
Collaboration in an Agile team (PI Planning, daily, retro)
Creating technical documentation
Requirements
Very good knowledge of:
Java
Angular
Spring (Spring Framework / Hibernate)
REST API
SQL
Experience with:
Microservices
Reactive programming (e.g. WebFlux)
Knowledge of:
Cucumber
Jasmine
Experience working with legacy systems and their modernization
Practical knowledge of Git
Good command of English
Nice to have
Experience with monolith to microservices migration
Knowledge of DDD approach
Experience in banking environment or large enterprise systems
What the project offers
Participation in a real system transformation (not only maintenance!)
Long-term, stable project
Technological challenges (legacy modernization → microservices)
Work in an international environment
Influence on architecture and solutions
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