Senior Software Engineer (m/w/d) Backend

<span>We are looking for a <strong>Senior Backend Software Engineer</strong> <strong>(m/f/d) </strong>to join our software development team in <strong>Munich, Berlin or Essen</strong>. This unique opportunity involves working on our <strong>Java-based backend systems</strong> in the first phase and then developing of modern services with the modern <strong>Node.js and TypeScript stack</strong> as part of our system modernisation initiative. You will play a key role in maintaining and optimising existing solutions while shaping the future of our SaaS products.<br/></span><span><br/><strong><span>Your Impact</span></strong></span><span>:<br/></span><span><br/></span><span>As a <strong>Senior Backend Software Engineer (m/f/d)</strong>, you will take ownership of planning and developing software solutions in complex environments. Your expertise will be crucial in shaping our architecture and leading the transition from Java to Node.js/TypeScript while mentoring junior team members and contributing to strategic technical decisions.</span><span><br/><strong><span> </span></strong><br/><strong><span>Responsibilities</span></strong></span><span>:</span><span><br/></span><ul><li><strong><span>System Maintenance</span></strong><span>: Maintain and enhance existing Java-based backend systems using Spring Boot and Hibernate.</span></li><li><strong><span>Future Transition</span></strong><span>: Contribute to the design and implementation of a modern Node.js/TypeScript backend.</span></li><li><strong><span>Service Development</span></strong><span>: Develop scalable, resilient, and secure backend services using frameworks like Express or NestJS.</span></li><li><strong><span>API Development</span></strong><span>: Build and maintain robust RESTful APIs, with potential to explore GraphQL.</span></li><li><strong><span>Performance Optimization</span></strong><span>: Optimize system performance and troubleshoot complex technical challenges.</span></li><li><strong><span>Security Practices</span></strong><span>: Implement secure coding practices and ensure compliance with industry standards.</span></li><li><strong><span>Mentorship</span></strong><span>: Mentor and guide junior developers, fostering a culture of technical excellence.</span></li><li><strong><span>Collaboration</span></strong><span>: Collaborate with stakeholders and cross-functional teams to gather requirements and deliver impactful solutions.</span></li></ul><br/><br/><ul><li><strong><span>Java Expertise</span></strong><span>: Extensive backend development experience with strong proficiency in Java, Spring Boot, and Hibernate.</span></li><li><strong><span>Node.js/TypeScript</span></strong><span>: Familiarity with or willingness to work with Node.js and TypeScript for backend development.</span></li><li><strong><span>Database Management</span></strong><span>: Hands-on experience with relational databases (e.g., PostgreSQL) and ORMs (e.g., Hibernate, TypeORM, or Prisma).</span></li><li><strong><span>API Design</span></strong><span>: Experience designing and developing APIs (RESTful; GraphQL is a plus).</span></li><li><strong><span>Cloud Platforms</span></strong><span>: Strong understanding of public cloud platforms (e.g., AWS, Azure, GCP) and containerisation tools (e.g., Docker).</span></li><li><strong><span>System Optimization</span></strong><span>: Proven ability to profile and optimise backend systems for performance and scalability.</span></li><li><strong><span>Communication Skills</span></strong><span>: Excellent communication, stakeholder management, and mentoring skills.</span></li><li><strong><span>Language Proficiency</span></strong><span>: Professional proficiency in written and spoken English.</span></li></ul><ul><li><span>Autonomy, ownership, and opportunities for innovation.</span></li><li><span>Tailored training, certifications, and career growth pathways.</span></li><li><span>A hybrid working setup (3 days week at the office) and flexible workation policy.</span></li><li><span>Employer-funded benefits like pensions, fitness, bicycles, and daycare subsidies.</span></li><li><span>A collaborative culture with short communication channels and constructive feedback.</span></li></ul><p><br/></p><span>Please send us your detailed application documents, including your salary expectations and your earliest possible start date. Your contact for this position is Sina.</span><br/><br/><br/><span>We look forward to meeting you.</span><br/><span><br/></span>