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

Join a project focused on implementing an offer model, enabling business banking app users to access service packages and additional functionalities within a unified solution. The system supports the development of modern financial services and allows flexible offer management for clients. Your tasks Designing and developing backend Java applications according to requirements and standardsImplementing and enhancing RESTful APIsWorking with databases (SQL) and optimizing queriesCollaborating with the team on system architecture design and developmentWriting and maintaining unit testsParticipating in code reviews and ensuring code qualityCooperating with analysts, testers, and other team membersSupporting deployment processes and CI/CD Requirements At least 5 years of experience developing Java applications using Spring Boot and Spring FrameworkPrevious work designing and implementing RESTful APIsStrong knowledge of SQLFamiliarity with version control tools (Git) and CI/CD (e.g., Azure DevOps)Experience working with cloud platforms (preferably GCP) and KubernetesKnowledge of systems such as Kafka, Redis, ServiceMeshAbility to write unit testsRequired to reside in Poland and have fluent Polish language skills Job no. JOB-977RT Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws. Benefits For You Great Place to WorkSolid financial situationContracts with the biggest brandsCentre of internal trainingsMany experts you can learn fromOpen and accessible management teamProfit sharingPassion Sponsorship programRegular integration events and tripsComfortable and well-equipped officesMySii appMedical care