Senior Java Developer

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. We build our culture on Trust, Respect, and Empowerment. That means creating a safe space for open feedback, treating everyone equally, and giving teams the autonomy and support to grow. We believe in honest collaboration, inclusive communication, and ownership without micromanagement — and there is no BUT. By joining us, you’ll: Drive global impact: Work on international projects that shape the digital future of industry. Grow your potential: Get access to cutting-edge tools, technologies, and training to accelerate your career. Thrive in a team-driven culture: Collaborate in an environment where your contributions are valued and team spirit fuels success. Enjoy work-life balance: 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? In this role, you will: 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. You’ll be a great fit if you: 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. Work in a pragmatic, solution-oriented way and think analytically. Speak fluent English (German is a plus). What do you benefit with us: At thyssenkrupp GSG, we believe great work starts with employee. Here’s what you can expect when you join our team: Global impact & open culture: 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. Supportive onboarding & career growth: Get started with guidance from experienced mentors and follow clear paths for development and promotion. Continuous learning: Access to premium training platforms, foreign language classes, and a personal development budget. Wellbeing & community: 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. Extra perks: From anniversary bonuses and MyBenefit platform to the “under the pear tree” holiday benefit, we make sure your hard work is appreciated.