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Senior Java Developer – Microservices and Cloud Integration Miejsce pracy: Warszawa Technologies we use Expected Java Spring Framework Spring Boot SQL Oracle Tomcat SoapUI Maven Gradle Git Optional PL/SQL C# Ansible BPMN UML About the project Unleash Innovation — Shape the Future of Enterprise Systems! Warszawa/Wrocław – hybrid work model (up to 3 days remote per week). As a Senior Java Developer – Microservices and Cloud Integration, you will be working for our client, a leading player in the IT industry committed to building scalable, secure, and efficient enterprise solutions. You will contribute to the development and maintenance of complex Java-based systems, driving digital transformation and supporting business agility in a dynamic environment. Your responsibilities Develop and maintain Java applications (Java 8) within microservices architecture, ensuring high performance and scalability Collaborate on system enhancements, integrating new features based on detailed business requirements Design and implement solutions using Spring (including older versions) and Spring Boot, adhering to best practices Work on system integration using REST, SOAP, and message queuing systems, ensuring robust and secure communication Contribute to system migration initiatives, upgrading stacks to newer frameworks and technologies Document system designs with UML diagrams and other notation standards, supporting further development and integration efforts Engage in troubleshooting, optimizing, and extending existing legacy codebases, maintaining code quality Our requirements At least 5 years of professional experience in Java development in enterprise environments Strong proficiency in Java, including working with legacy codebases Extensive experience with Spring framework (any version) and Spring Boot Solid SQL knowledge and experience with database systems like Oracle Hands-on experience with microservices architecture and monolithic systems on application servers like Tomcat Familiarity with distributed systems architecture and system integration (REST, SOAP, queues) Knowledge of security mechanisms such as TLS/mTLS, certificates, and encrypted connections Working experience with Maven, Gradle, Git, and tools like SOAP UI, POSTMAN Ability to write bash or cmd scripts for automation tasks Polish (Communicative proficiency) Optional PL/SQL knowledge Familiarity with JSF, JSP, or C++ Experience with Ansible or other automation tools Insights into system security best practices Ability to interpret BPMN and UML standards, with problem-solving skills related to new feature development This is how we organize our work This is how we work at the clients site agile scrum What we offer Stable and long-term cooperation with very good conditions Enhance your skills and develop your expertise in the financial industry Work on the most strategic projects available in the market Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years Participate in Social Events, training, and work in an international environment Access to attractive Medical Package Access to Multisport Program Access to Pluralsight Flexible hours Benefits sharing the costs of sports activities private medical care flexible working time fruits integration events corporate gym saving & investment scheme no dress code coffee / tea drinks christmas gifts birthday celebration sharing the costs of a streaming platform subscription access to 100 projects access to Pluralsight Recruitment stages first online interview second online interview GETREADY to meet with us! ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data. ITDS’s Whistleblower Procedure You can report violations in accordance with ITDS’s Whistleblower Procedure available here: ITDS Polska Sp. z o.o. ITDS supports financial service providers to take the next steps. We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization. We see where banks, insurers, payment companies, or fintech can go and how they can get there. That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality. ITDS in Poland - Pure player in new Technologies & Financial Industry 300 IT implementation professionals 20 clients in the Banking, Insurance, Payment & Fintech Industry ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities. Informujemy, że administratorem danych jest ITDS z siedzibą w Warszawie, ul. Złota 59 (dalej jako "administrator"). Masz prawo do żądania dostępu do swoich danych osobowych, ich sprostowania, usunięcia lub ograniczenia przetwarzania, prawo do wniesienia sprzeciwu wobec przetwarzania, a także prawo do przenoszenia danych oraz wniesienia skargi do organu nadzorczego. Dane osobowe przetwarzane będą w celu realizacji procesu rekrutacji. Podanie danych w zakresie wynikającym z ustawy z dnia 26 czerwca 1974 r. Kodeks pracy jest obowiązkowe. W pozostałym zakresie podanie danych jest dobrowolne. Odmowa podania danych obowiązkowych może skutkować brakiem możliwości przeprowadzenia procesu rekrutacji. Administrator przetwarza dane obowiązkowe na podstawie ciążącego na nim obowiązku prawnego, zaś w zakresie danych dodatkowych podstawą przetwarzania jest zgoda. Dane osobowe będą przetwarzane do czasu zakończenia postępowania rekrutacyjnego i przez okres możliwości dochodzenia ewentualnych roszczeń, a w przypadku wyrażenia zgody na udział w przyszłych postępowaniach rekrutacyjnych - do czasu wycofania tej zgody. Zgoda na przetwarzanie danych osobowych może zostać wycofana w dowolnym momencie. Odbiorcą danych jest serwis Hello HR oraz inne podmioty, którym powierzyliśmy przetwarzanie danych w związku z rekrutacją. Naruszenia można zgłaszać zgodnie z Procedurą zgłaszania nieprawidłowości ITDS dostępną tutaj: