We are a young team of currently 63 employees and our employees come from a wide spectrum of different fields and 8 different nationalities. Diversity, individual development and team spirit are very important to us!Are you ready to shape the future of building technology as a Backend Developer (f/m/d) in a dynamic team? Your responsible tasks include:

• Design and implement REST APIs to extend the functionality of our platform.
• Maintain and optimize our backend to ensure smooth operations.
• Work closely with our energy system engineers to further develop a stream processing service for monitoring sensor data.
• Take responsibility for the further development of our autonomous building control system and create a measurable impact.
• You will be involved in the further development of innovative features and microservices to take our products to the next level and inspire our customers.
• You will also work with the team to develop data integration services based on Apache Camel.
• You will also conduct regular code reviews and tests as quality is our top priority.
• Your proactive ideas and suggestions for improvement are important to us - actively contribute to the success of our company.
• Do you have a Bachelor's degree (or higher) in computer science or a related field?
• Are you interested in a dynamic and solution-oriented working environment?
• Do you recognize complex problems at their core and find pragmatic solutions?
• Do you roll up your sleeves, work independently and are results-oriented? Then you've come to the right place!
• You have a degree in IT or a comparable qualification.
• You have 2-3 years of practical experience and good knowledge of backend development. Ideally, your expertise also lies in the implementation and migration of services in cloud environments.
• Python is not just a snake to you? You know it like your own first language or another object-oriented programming language.
• SQL and you are an unbeatable team! PostgreSQL, SQLAlchemy, Alembic - these are not just words to you, but tools that you can use while you sleep.
• You have already gained experience with Docker Swarm and Kubernetes.
• REST APIs are like coffee in the morning for you - indispensable! You know your way around OpenAPI, Flask, FastAPI and have already gained experience in implementation and documentation.
• With the help of automated testing procedures, you ensure continuous quality control and optimization.
• We give you bonus points for good German, time series databases, system architecture and a strong problem-solving ability. At aedifion, you are an important part of our mission from day one and pull together with us. Want to know what to expect?
• Working in a modern environment with a " friendly culture" from day one.
• Long decision-making processes? Not with us! We work together in flat hierarchies and agile teams.
• Hybrid work is standard for us! Whether from our modern office in the heart of Cologne or remotely from all over Germany, you decide!
• Want to stay as climate-neutral as possible? Choose between a Deutschlandticket or a monthly contribution of €49.00 for your job bike.
• Going to the gym in the morning before work or taking the kids to school? No problem, with our flexible working hours and very short core working hours, you can combine your private and professional life.
• Dogsitting? Not necessary! Your furry friend is always welcome in the office!
• Have a break - Always stay effective with 30 days' annual leave.
• Tired of fixed-term contracts? With us, you are employed for an unlimited period after the probation period.
• Are you keen on further development? We support you with individual training opportunities!
• We keep you refreshed and energized with free drinks, organic fruit, a monthly team breakfast and regional coffee.
• Getting started at #teamaedifion - work equipment of your choice (Apple or Windows) and structured onboarding to make your start as easy as possible.
• Extend your vacation or organize your own workation in Europe with your colleagues - work up to 10 days a year from another European country.
• Looking for a job with impact? Then become a climate saver with us! Perfect jobs and employees do not fall out of the sky - they develop. Do you have some of the above knowledge and experience? Then write us an informal email and tell us about it:
• What interests you about this job?
• Tell us about your previous projects?
• How would you like to develop?
• What is your secret superpower?