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# Backend Entwickler

- **Company:** GC Gruppe
- **Location:** Stuhr, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), .NET Framework, C Sharp (Programming Language), Continuous Integration, Relational Databases, Service-Oriented Architecture, TypeScript, .NET Core, Backend, Git, Information Technology, Front End Software Development, Microservices
- **Published:** September 12, 2026
- **Apply:** https://gc-gruppe.de/unternehmen/cordes-graefe-kg/jobs/senior-backend-entwickler-mwd-20501

## About the Role

* Abgeschlossenes Studium in Informatik oder vergleichbare Qualifikation mit relevanter Berufserfahrung.
 * Mehrjährige Erfahrung in der Entwicklung komplexer Backend-Systeme im E-Commerce-, Plattform- oder Enterprise-Umfeld.
 * Fundierte Kenntnisse in .NET 8+, .NET Core, C# sowie relationalen Datenbanken und SQL.
 * Vertrautheit mit Microservices, serviceorientierten Architekturen und CI/CD-Prozessen (Git).
 * Grundkenntnisse in Frontend-Technologien (TypeScript, JavaScript) und hohe Motivation zur technischen Weiterentwicklung.
 * Fließende Deutschkenntnisse zwingend erforderlich (mind. B2)

## Description

* Du entwickelst und optimierst Backend-Systeme sowie APIs mit .NET und C# für unsere E-Commerce-Plattform.
 * Du analysierst und behebst technische Fehler, um Stabilität und Performance dauerhaft zu sichern.
 * Du modernisierst bestehende Anwendungen durch Refactoring und schaffst eine wartbare Systemlandschaft.
 * Du verantwortest die Entwicklung und Integration von Datenbankzugriffen und System-Schnittstellen.
 * Du arbeitest aktiv an technischen Verbesserungen, Architekturentscheidungen und crossfunktionalen Projekten mit.


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