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# Fullstack Developer

- **Company:** Amadeus FiRe AG
- **Location:** Köln, Germany (Remote available)
- **Salary:** €45,000.0 - €55,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), C Sharp (Programming Language), Cascading Style Sheets (CSS), COBOL (Programming Language), Software Quality, Software Architecture, Backend, Information Technology, Front End Software Development, Restful APIs, Code Restructuring, Microservices
- **Published:** September 10, 2026
- **Apply:** https://www.adzuna.de/details/5875148498

## About the Role

* Abgeschlossenes Studium der Informatik, Wirtschaftsinformatik oder eine vergleichbare Qualifikation
 * Erfahrung in der Entwicklung mit COBOL sowie Interesse an der Arbeit mit Legacy-Systemen
 * Gute Kenntnisse in mindestens einer modernen Programmiersprache (z. B. Java, JavaScript, C#)
 * Erfahrung in der Fullstack-Entwicklung sowie mit Webtechnologien (HTML, CSS, REST APIs)
 * Verständnis für Softwarearchitekturen und Integrationsszenarien
 * Teamfähigkeit, analytisches Denken und eine strukturierte Arbeitsweise
 * Sehr gute Deutschkenntnisse sowie gute Englischkenntnisse

## Description

* Weiterentwicklung und Modernisierung bestehender Anwendungen auf Basis von COBOL-Systemen
 * Entwicklung moderner Frontend- und Backend-Komponenten (z. B. mit Java, JavaScript oder vergleichbaren Technologien)
 * Integration von Legacy-Systemen in moderne Architekturen und Schnittstellen (APIs, Microservices)
 * Analyse, Optimierung und Refactoring bestehender Anwendungen hinsichtlich Performance und Wartbarkeit
 * Enge Zusammenarbeit mit Fachbereichen sowie Architektur-, Test- und Betriebsteams
 * Sicherstellung von Codequalität durch Reviews, Tests und Dokumentation


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