Deskripsi Pekerjaan
About usAt 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 building scalable automation that makes buildings worldwide more energy-efficient.What to expect:Maintenance & Operations: Ensure reliable operation of the Multilogger and Edge Device services through proactive maintenance and systematic resolution of critical errors in production systems.Backend Development: Design, implement, and continuously improve Python-based services for operations, infrastructure, and API integrations with a strong focus on maintainability, scalability, and established best practices.Test Culture: Actively drive the improvement of automated test coverage across critical system components and establish sustainable testing best practices that ensure long-term code quality and system reliability.Infrastructure & Containerization: Work with containerized systems and Kubernetes to deploy, monitor, and optimize backend services in resource-constrained edge environments with consideration for DevOps workflows.Process Automation: Reduce manual effort in project onboarding processes through systematic infrastructure development and intelligent automation that scales across multiple customer deployments.API Integrations: Develop and maintain clean, robust integrations with external systems and services that extend platform capabilities while ensuring reliability and performance.Knowledge Sharing: Contribute to team growth through natural, situational mentoring, comprehensive documentation, and active participation in code reviews that elevate overall technical standards.BenefitsMake a difference: Your work helps to reduce CO₂ emissions and make buildings more sustainable and energy-efficient.Mobile work: Organise your working day according to your needs – with flexible working hours, short core working hours and the freedom to work from our modern office in Cologne, remotely from anywhere in Germany or up to 10 days a year from other European countries.Long-term prospects: After your probationary period, we offer you a permanent contract.Feel-good offer: With 3