You will be involved in a financial project focused on supporting the PIP (Payments Information Provisioning) Downtown team in delivering SEK Batch functionalities. The project plays a key role in building and maintaining distributed, high-performance backend systems within the financial domain, with a strong emphasis on event-driven architectures and real-time data processing.
We are looking for an Expert Java Developer with strong experience in Kafka-based event-driven systems and relational databases, who is comfortable working in complex, distributed environments. The ideal candidate combines hands-on backend development with a solid understanding of software architecture, scalability, and clean code principles, and can actively contribute to both implementation and technical decision-making.
Salary: 1100 - 1300 PLN/day on B2B
Work model: hybrid from Gdynia/Gdańsk/Łódź/Warszawa (2, 3 days per week from the office)
responsibilities :
Support the PIP Downtown team in delivering SEK Batch functionalities
Design, develop, and maintain backend services in Java
Design, implement, and optimize Kafka producer and consumer logic
Build and operate services running in Kubernetes-based environments
Work with relational databases (Oracle, DB2, MSSQL or similar)
Build distributed, highly-available, and high-throughput applications
Apply architectural patterns such as microservices, domain-driven design, and event sourcing
Ensure clean, maintainable, and high-quality code
requirements-expected :
Java – Expert level (minimum 8 years of experience working as a Java Developer)
Kafka – Expert level, including designing and optimizing producer and consumer code
SQL – Senior level (Oracle, DB2, MSSQL or similar RDBMS)
Proven experience in building distributed, highly-available, high-throughput systems
Hands-on experience in applying domain-driven design, event sourcing, microservices architecture, and clean code principles in real-world projects
offered :
You can expect a flexible work organization
The international work environment will give you the opportunity to interact with the English language on a daily basis
Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
The Jit community will bring you a nice time during regular integration meetings
