Java Developer (f/m/x)

Nasze wymagania: Minimum 5 years of commercial experience in Java programming Experience with Hibernate, Spring, REST API, Microservices, and Web Services Proficiency in message queues, including Kafka Hands-on experience with cloud solutions, AWS, Azure, or GCP Experience with unit and integration testing, Spock or JUnit Experience with cloud orchestration tools such as Docker, Kubernetes Proficiency with relational and non-relational databases Good command of English and Polish, both spoken and written Residing in Poland required Mile widziane: Familiarity with front-end technologies, e.g., Angular, React Familiarity with AI/LLM tools to accelerate coding, refactoring, and bug fixing, e.g., Copilot, Cursor Preferred candidates from Białystok O projekcie: Sii is a place where experienced Java Developers work on projects with a global reach, utilizing modern technologies, microservices architecture, and cloud and AI solutions. Our Digital Competence Centre comprises over 1,500 experts who develop enterprise solutions for sectors including finance, telecoms, e-commerce, manufacturing, retail, and healthcare. If you’re looking for a stable environment, projects with a real impact, and opportunities for continuous development, you’ll find a place for yourself at Sii. Zakres obowiązków: Developing and maintaining backend services using Java and Spring Boot Troubleshooting and resolving issues in existing applications Preparing technical documentation Optimizing application performance and ensuring code quality Creating technical documentation for developed functionalities Ensuring key functionalities are covered with unit and integration tests Contributing innovative ideas to the team while continuously expanding your technical knowledge Oferujemy: 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