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Senior Backend Developer (f/m/d)

aedifion GmbH
Köln

Direkt bewerben

Details zur Stelle

Vollzeit
vor 1 Tag

Leistungen

Firmenevents
Vermögenswirksame Leistungen
Aufstiegsmöglichkeiten
Flexible Arbeitszeiten

Qualifikationen

Go
Internet der Dinge
Kubernetes
Scrum
Agile
Python
Design Patterns

Vollständige Stellenbeschreibung

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 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.

Benefits

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.
Feel-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.
Stay active: With our Urban Sports Club membership, you have access to a wide range of sports and fitness offers – to help you recharge and stay healthy inside and outside of work.
Further training: We support you with tailor-made training opportunities to advance your career.Tech 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.

What You Bring:

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.

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golang developer Jobs in köln

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Platform Engineer mit Fokus auf Developer Experience (m/w/d)

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