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Java Developer with Kafka (f/m/x)
  • Gdańsk
Java Developer with Kafka (f/m/x)
Gdańsk, Gdańsk, Pomeranian Voivodeship, Polska
Sii Sp. z o.o.
22. 1. 2026
Informacje o stanowisku

Java Developer with Kafka (f/m/x) Miejsce pracy: Gdańsk Technologies we use Expected Java Apache Kafka Microservices Spring Boot SQL REST JavaScript/ Angular/React About the project We are looking for a skilled and experienced Java Developer to join one of our teams in Cards Technology. At the Cards Domain, we are deeply committed to providing the financial solutions of tomorrow to our customers. You will play a critical role in the design, development, and maintenance of Java applications that support our business services. The team is based in Gdańsk/Gdynia, and we work in hybrid mode 2-3 times a week in the office. Your responsibilities Designing, developing, and maintaining Java applications Collaborating within 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 Our requirements Minimum 4 years of Java Software Development experience Practical knowledge of microservices architecture, clean code and continuous integration Knowledge and hands-on experience of Spring Framework, Spring Boot, Kafka, SQL Good understanding of REST API design Front-end development experience with at least one of the following: JavaScript, Angular or React Familiarize with CI/CD tools like Bitbucket, Jenkins Fluent English Fluent Polish required Residing in Poland required Optional Knowledge of Spring WebFlux, Docker, and Kubernetes Experience in the financial industry This is how we work on a project Continuous Deployment Continuous Integration What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People Recruitment stages Send your CV Talk to us about your expectations Learn more about our projects and choose the best Start your adventure with Sii! Sii Sp. z o.o. Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment. Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

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