Job Openings Senior Java DeveloperAbout The Job Senior Java DeveloperNAXCON GmbH, located in the heart of Freiburg, is at the forefront of the German IT and engineering industry.Our experts have extensive knowledge in software and hardware development, state-of-the-art electronics, and future-oriented technologies such as artificial intelligence and virtual reality.We are not only dedicated to project work for our customers, but also intensively pursue in-house innovation projects as well as research & development. Renowned companies from a wide range of German industries place their trust in us - demonstrating the outstanding expertise and commitment of our engineers.Location: Primarily remote, with occasional on-site presence (approx. 10% of workdays) in Regensburg, Germany.Workload: Full-time, 40 hours per week (flexible daily distribution).Duration: 18 months, with two possible extensions of 18 months each.Start: From January 2026 (Calendar Week 01/2026).OverviewWe are seeking a highly skilledSenior Java Developerto join a software development project focused on the integration and modernization of financial and accounting systems. The role involves designing and implementing technical solutions in a client-server environment with a strong focus on reliability, scalability, and maintainability.ResponsibilitiesServe as a senior member of the software development team, responsible for technical frameworks such as code structures and libraries.Implement technical and functional requirements as part of ongoing projects.Provide input and leadership in creating and refining technical concepts.Prepare and maintain technical documentation.Support quality assurance activities, including test execution and documentation.Transfer knowledge and ensure smooth collaboration between all project stakeholders.Work primarily in a remote setting, with occasional on-site presence (approx. 10%).RequirementsProven experience as a Java Developer, ideally in enterprise-level client-server applications.Strong knowledge of Java Enterprise technologies (e.g., Enterprise Java Beans, messaging technologies).Experience with Swing-based clients and XML/text-based interfaces is desirable.Ability to work independently, take ownership of tasks, and deliver results within deadlines.Excellent communication and collaboration skills.Willingness to undergo a basic security clearance procedure.Residence in Germany (remote work is only permitted within Germany).German language proficiency at C1 levelWhat We OfferJoin a cosmopolitan and internationally mixed team:We welcome individuals from all backgrounds and cultures to contribute their unique perspectives and talents to our team.Polish your German language skills:If you are looking to improve your German language skills, we offer a supportive environment where you can practice and develop your language abilities: whether you are a beginner or an advanced speaker.Benefit from a fixed contact person from the company:We understand the importance of having a reliable point of contact within the company. That's why we assign a dedicated contact person who will provide guidance and support throughout your employment with us.Professional growth and development:With us, our engineers can immerse themselves in new industries or projects after just 1-2 years and actively transfer knowledge.Enjoy regular team events with the company:We believe in the power of team building and fostering positive relationships within the workplace. That's why we organize regular team events to promote collaboration and strengthen our team bonds.Competitive compensation package:At NAXCON, we believe that our engineers are our greatest asset. That's why we offer a comprehensive and competitive compensation package that includes a salary commensurate with experience and expertise.Or refer someone