> Markdown version of [/jobs/ext/1633179-backend-developer-koln](https://www.wearedevelopers.com/jobs/ext/1633179-backend-developer-koln). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Developer - Köln - **Company:** Aschert & Bohrmann GmbH - **Location:** Köln, Germany (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Databases, Python (Programming Language), NoSQL, Software Engineering, Software Systems, SQL Databases, Web Applications, Backend, Information Technology, Front End Software Development - **Published:** July 31, 2026 - **Apply:** https://aschert-bohrmann.de/jobs.php?refnr=346451 ## About the Role * Abgeschlossenes Studium oder Ausbildung im Bereich IT, Informatik oder Softwareentwicklung * Erfahrung in der Entwicklung mit Java, Python, PHP oder vergleichbaren Backend-Technologien * Kenntnisse in Datenbanken (SQL, NoSQL) und API-Entwicklung * Sehr gute Deutsch- und Englischkenntnisse * Analytische Denkweise, Teamfähigkeit und Problemlösungskompetenz ## Description * Entwicklung und Optimierung von Backend-Architekturen und APIs * Implementierung neuer Funktionen und Schnittstellen für Webanwendungen * Sicherstellung der Skalierbarkeit, Performance und Sicherheit von Backend-Systemen * Zusammenarbeit mit Frontend-Entwicklern und Projektteams zur optimalen Umsetzung von Softwarelösungen * Wartung und Weiterentwicklung bestehender Anwendungen ## Related Videos - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Local Candidates vs International Talent - Building the Very Best Dev Team](https://www.wearedevelopers.com/videos/1067-local-candidates-vs-international-talent-building-the-very-best-dev-team) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [Backend Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/226-backend-developer-salary-in-austria-2023) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany)