Java Developer – banking sector (f/m/x)

Sii Polska is involved in a project implementing an offer model for banking applications aimed at business clients, enabling users to access service packages and additional functionalities within a unified solution. The system supports the development of modern financial services and flexible offer management for clients.

• Minimum 5 years of experience developing Java applications using Spring Boot and Spring Framework
• Previous experience designing and implementing RESTful APIs
• Strong knowledge of SQL
• Familiarity with version control tools (Git) and CI/CD tools (e.g., Azure DevOps)
• Experience working with cloud platforms (preferably GCP) and Kubernetes
• Knowledge of systems such as Kafka, Redis, and ServiceMesh
• Ability to write unit tests
• Must reside in Poland and have fluent Polish language skills

• Design and develop backend applications in Java according to requirements and standards
• Implement and enhance RESTful APIs
• Work with SQL databases and optimize queries
• Collaborate with the team on system architecture design and development
• Write and maintain unit tests
• Participate in code reviews and ensure code quality
• Cooperate with analysts, testers, and other team members
• Support deployment processes and CI/CD pipelines

Must reside in Poland and have fluent Polish language skills.