(Senior) Java Developer Manufacturing Solutions

• You will develop innovative software solutions for our international production sites and actively shape their architecture, implementation, and continuous enhancement
• After analyzing requirements and processes from our plants, you will design sustainable solution strategies and support their implementation in line with defined group standards
• Working closely with cross-functional teams, you will continuously optimize existing applications, integrate additional hardware, and make a significant contribution to the digitalization of manufacturing operations
• You will also be responsible for defining and advancing development standards, as well as aligning technical specifications with external partners to ensure seamless integration into the existing system landscape
• By analyzing complex incidents and system issues, you will identify root causes, implement sustainable solutions, and ensure the stable and reliable operation of our applications
• In addition, you will support our production sites worldwide during software rollouts, operational use, training activities, and the transfer of technical standards and best practices

• Qualification: You have successfully completed a university degree in Computer Science, Engineering, Electrical Engineering, or a comparable field with a focus on automation or production technology.
• Experience: Several years of professional experience in the development of industrial software solutions enable you to confidently solve complex technical challenges.
• Know-how: You possess in-depth knowledge of modern software architectures, development environments, databases, and internet technologies. You bring expert-level knowledge of Java as well as hands-on experience with Spring, Maven, Git/GitLab, Docker, Kubernetes, and Microsoft Azure. In addition, you are familiar with communication protocols such as Modbus, REST, and MQTT, and ideally have expertise in Application Security as well as experience with tools such as OWASP, Grype, or similar solutions.
• Nice to have: Ideally, you have gained experience in production environments, with Manufacturing Execution Systems (MES), shopfloor solutions, or the integration of industrial hardware. Experience in Industry 4.0 and connected production systems is considered an advantage, as are skills in Python and/or C#.
• Personality: You stand out through strong analytical thinking, a structured way of working, and the ability to successfully bring together diverse stakeholders and drive sustainable solutions.
• Language Skills: You communicate confidently in both German and English and are equally comfortable working in international project and production environment

• Hybrid Work: We offer our employees the opportunity to work on a hybrid basis. There is also the option to temporarily work from a country within the European Union
• Salary: We offer an attractive remuneration package in accordance with the NRW IG Metall collective wage agreement, including vacation pay and Christmas bonus.
• Onboarding: Our clearly structured onboarding process, including an Onboarding App, enables us to integrate new employees into Vaillant Group quickly and in a targeted manner
• Health management: We offer comprehensive preventive health counseling & measures

We take care of a better climate. In every home and our environment. As a successful family business, we have been living up to this claim for over 150 years. We are one of the world’s leading providers of heat pumps, digital services and efficient gas heating appliances and offer energy-saving solutions.

You will find sustainability everywhere at the Vaillant Group. In the office, at the production sites and on the road. Around 16,000 employees from over 70 countries are committed to this every day. As an international team, we take responsibility - for our future and that of our planet. We promote your personal development so that you can act with passion and together we can ensure a better climate.

Become part of the Vaillant Group and help us shape the future of heating!