Industry: BankingBudget: 170 PLN/h on B2B contractHybrid work: 2x week in the office in Warsaw/ Tricity or LodzIntroduction & SummaryWe are looking for a skilled and experienced Senior Java Developer to join our dynamic teams in the Cards Service Domain. You will play a critical role in the design, development, and maintenance of Java applications that support our business services. The ideal candidate should possess a strong background in Java Software Development, with at least 5 years of relevant experience and familiarity with technologies such as Spring Boot, Kafka, and Angular.Main Responsibilities Designing, developing, and maintaining applications using Java, Spring, Angular, and Kafka. Collaborating within an agile team and ART. Working with various internal and external stakeholders. Troubleshooting and resolving issues in existing applications. Optimizing application performance and ensuring code quality. Creating technical documentation for developed functionalities. Key Requirements Minimum 5 years of Java Software Development experience. Practical knowledge of microservices architecture, clean code and continuous integration. Hands-on experience with Spring Boot, Kafka, SQL, Docker, and Kubernetes. Good understanding of REST API design and integration. Frontend experience with Angular and Angular Material. Familiarity with CI/CD tools like Bitbucket and Jenkins. Experience with code versioning tools such as GIT. English proficiency at B1+/B2 level. Agile/Scrum methodology experience. Nice to HaveExperience in the financial industry.Other DetailsThe role is based in Warsaw, Gdańsk, or Gdynia, with the possibility of hybrid work arrangements. We offer a supportive community and the opportunity to contribute meaningfully to innovative solutions for our customers.