As a leading provider of smart metering services, VOLTARIS is actively shaping the digital transformation of the energy sector. With efficient IT processes and smart solutions, we are driving the energy transition forward together with our municipal utility partners. To expand our IT and Process Digitalization team, we are looking for you as Senior Software Developer (m/f/d) – System Design & AI Merzig, Maxdorf Full-time Starting immediately Permanent position Competitive compensation Option for remote work What to expect – your role with impact: You will develop and implement complex, system-level software solutions – from technical analysis through design and implementation to production In doing so, you actively contribute your understanding of system interdependencies, interfaces, and scalability to software development and play a key role in shaping the technical implementation of our applications You actively work on developing software solutions, structuring code and components, making technical design decisions, and ensuring that our solutions are stable, maintainable, and future-proof You will pragmatically incorporate architectural considerations into the development process to build high-quality software What you bring to the table—both professionally and personally: You have several years of experience in software development and are proficient in at least one modern programming language (e.g., Java, Python, or C#) You enjoy not only using systems but also actively building, structuring, and further developing them You have an understanding of software and system architectures (e.g., modular applications, services, interfaces, cloud environments), but view architecture as part of good development work Ideally, you have had initial practical exposure to AI-based solutions, data processing, or automation and would like to delve deeper into these topics You work pragmatically, analytically, and in a solution-oriented manner, communicate complex technical content clearly, and enjoy working in a team You have experience in requirements management, creating requirements and specifications, as well as with DevOps practices, CI/CD, and agile methods, and possess very good German and good English skills We offer you: Family-friendly company Company pension plan Flexible work schedules 13th-month bonus Support for continuing education and professional development Open feedback culture Have we piqued your interest? Then apply online by June 12, 2026. Contact: Markus Zander Tel.: 49 (0)681 607-1634 We actively promote equality and equal treatment for all applicants. For this reason, we particularly welcome applications from people with disabilities, whose integration is a special priority for us. VOLTARIS GmbH Voltastraße 3 • 67133 Maxdorf Hochwaldstraße 70 • 66663 Merzig