Senior Backend Developer (f/m/d)

About us At aedifion, you will actively shape the future of energy-efficient building operations. Our mission is to make existing buildings smarter, more sustainable, and easier to manage making a real contribution to CO₂ reduction. You'll join an innovative tech company that uses cutting-edge technologies like IoT, AI, and cloud solutions to enable sustainable real estate. Our culture? Open, diverse, and team-oriented. With more than 100 colleagues from various nations, we combine a wide range of expertise and perspectives to achieve big things together. Your impact in this role: As Senior Backend Developer (f/m/d) in our Data Team, it is your mission to ensure the stable operation of critical backend systems and data-near infrastructure that form the heart of aedifion's platform. You connect operational reliability with continuous improvement and contribute significantly to delivering on aedifion's plug-and-play promise by reducing technical debt, improving test coverage, and buildin