Senior Java / Kotlin Engineer

At thyssenkrupp GSG, we’re the backbone of our thyssenkrupp global IT operations. Our team of passionate professionals designs, develops, and supports the IT applications and infrastructure that power thyssenkrupp’s worldwide business. That means creating a safe space for open feedback, treating everyone equally, and giving teams the autonomy and support to grow. Work on international projects that shape the digital future of industry. Get access to cutting-edge tools, technologies, and training to accelerate your career. Collaborate in an environment where your contributions are valued and team spirit fuels success. We support flexible working so you can stay connected to what matters most—both professionally and personally. We’re not just building IT systems—we’re building the future. Ready to be part of it? Build backend solutions using Java 11+, Java EE, XML integrations, and Oracle DB. Develop and maintain our in-house MES (Manufacturing Execution System), connecting SAP systems with local manufacturing process controls across multiple sites. Deliver new features and improvements within Scrum and Kanban teams, supporting both large and small projects. Ensure code quality through reviews, automated testing, and documentation. Work with a modern tech stack including Angular, Kotlin, Maven, Jenkins, Bitbucket, and SonarQube. Bring 5+ years of experience in developing Java-based applications with strong skills in Java 11+ and Java EE / JPA. Have solid hands-on experience with application servers (WebLogic, with migration to OpenLiberty), EclipseLink, JMS, and REST. Are comfortable working with Oracle DB and frontend or development tools such as Eclipse RCP, Angular, Kotlin, Maven, Jenkins, Bitbucket, and SonarQube. Speak fluent English (German is a plus). Be part of a high-tech company shaping industries worldwide, where your ideas truly matter. Flexible workstyle: Enjoy remote work possibilities and flexible hours - start your day anytime between 7:00 and 10:00. Access to premium training platforms, foreign language classes, and a personal development budget. Take care of yourself with private medical care, life insurance or join company sports initiatives. Team spirit & events - integration budget, interdepartmental teams, company and family activities to stay connected, even remotely.