Java Architect

Salary: 1000 - 2000 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on developing and modernising backend integration components around the Safekeeping and Corporate Actions platform. You will work on Java-based microservices and integration components connecting IMSecurities with other Nordea systems. The platform is undergoing intensive development, including migration of business flows and volumes, implementation of new business logic, and rearchitecture of existing application components. Working in a Scrum environment, you will contribute to development, analysis, deployment activities, troubleshooting, and knowledge sharing across the team. Responsibilities you'll have Design, develop, test, deploy, and support Java-based microservices and integration components Develop integrations between IMSecurities and other enterprise systems Support application modernization and rearchitecture initiatives Implement new business functionality and support business flow migrations Participate in requirement analysis and clarification activities Analyze business and system flows Support deployment planning and release activities Troubleshoot and resolve production issues Collaborate with developers, analysts, QA, and infrastructure teams Contribute to knowledge sharing and promote good development practices Work within Agile Scrum teams using Jira Expected competences and knowledge Min. 10 years of experience in Java backend development within large-scale enterprise environments Knowledge of SQL and experience with relational databases , preferably Oracle Messaging and event-driven integration, preferably IBM MQ and Kafka Familiarity with containerized environments and Kubernetes Experience with REST services, microservices and integration patterns Experience working with Maven, Git and CI/CD pipelines Automated testing with JUnit and Testcontainers Ability to analyse requirements, system flows, logs, data flows and production issues Fluent English Nice-to-have knowledge and experience Experience in banking or trading environments Experience with cloud-ready application design Experience modernising integration custody, settlement, corporate actions or another regulated domain Experience with containerisation and layers around vendor platforms or legacy systems Practical experience with test automation, static code analysis and AI-assisted development tools Technologies you'll work with Java Spring Boot and Spring Integration Kafka IBM MQ Kubernetes SQL Oracle Client – why choose this particular client from the Jit portfolio? Cobalt Streamworks has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Cobalt Streamworks The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Cobalt Streamworks is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.