Senior Backend Developer (fmd)

• 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.

• Experience: Extensive expertise in backend development with Python in production environments with demonstrable success in operating and evolving critical services in operational high-availability contexts.

• Containerization & Orchestration: Solid senior-level proficiency in working with containerized systems and Kubernetes including deployment monitoring and troubleshooting in production environments.

• Testing Expertise: Proven experience in building and improving automated test coverage using modern testing frameworks and strategies with a track record of establishing quality-driven development practices.

• Operational Mindset: Strong ability to prioritize effectively in day-to-day operations handle ad-hoc requests with composure and balance urgent incidents with planned development work autonomously.

• Technical Craftsmanship: Deep commitment to code quality through clean code principles established design patterns comprehensive documentation and sustainable implementation decisions that facilitate long-term maintainability.

• Communication & Collaboration: Clear proactive communication style with the ability to explain technical decisions engage in constructive code reviews and collaborate effectively in cross-functional teams.

• Languages: Fluent English proficiency in written and spoken communication for effective international team collaboration and technical documentation.

• Nice-to-have: Experience with Go/Golang for performance-critical components familiarity with agile methodologies (Scrum) and exposure to IoT edge computing or time-series databases (e.g. InfluxDB) are valuable additions.

At aedifion we foster an open and appreciative culture where all employees can develop freely regardless of origin gender age abilities or orientation. We provide a safe space that enables individual development and independent work. Flexibility and openness are our focus so everyone can work with joy and authenticity. We particularly welcome applications from women.

• Make 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 -good offer: With 30 days of annual leave you can relax and unwind while fresh organic fruit regional coffee free drinks and our monthly team breakfast provide you with your daily energy boost.
• Further training: We support you with tailor-made training opportunities to advance your stack: You will receive modern work equipment of your choice whether Microsoft or Apple as well as high-quality noise-cancelling headphones for focused work.
• Mobility package:Always mobile: you can choose between the Germany Ticket or a Jobrad bike for your commute or private use.
• Pension provision: Subsidies for capital-forming benefits (VWL) or company pension schemes (bAV).
• #teamaedifion:Regular team events working on an equal footing actively sharing experiences and flat hierarchies promote strong teamwork and open communication within our team.
• Dog-friendly office:Bring your dog along we look forward to some animal support.

Our goal is simple: we make buildings part of the solution for a planet worth living on. To achieve this we are looking for people who are passionate about innovation and technology who are up for any challenge and who share the same goal. Whether you are an experienced developer a natural sales talent or a newly qualified engineer you will be an important part of our mission from day one. Join #teamaedifion and help make the energy transition in buildings possible.