> Markdown version of [/jobs/ext/393428-app-entwickler-m-w-grossraum-koln](https://www.wearedevelopers.com/jobs/ext/393428-app-entwickler-m-w-grossraum-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).

---

# App-Entwickler (m/w) - Großraum Köln

- **Company:** Aschert & Bohrmann GmbH
- **Location:** Köln, Germany
- **Contract:** Permanent contract
- **Skills:** HTML, Microsoft Windows, Android Software Development, Apple IOS, Cascading Style Sheets (CSS), Mobile Application Software, Information Technology
- **Published:** June 19, 2026
- **Apply:** https://aschert-bohrmann.de/jobs.php?refnr=90131

## About the Role

Abgeschlossenes Hochschulstudium der (Wirtschafts-)Informatik oder vergleichbare Ausbildung im IT-Bereich Erste Berufserfahrung in der Konzeption und Entwicklung von mobilen Apps Sehr gute Kenntnisse in HTML und CSS sowie iOS, Android und Windows Systeme Selbstständige und zielorientierte Arbeitsweise Fähigkeit zum integrativen und konzeptionellen Denken

## Description

Erstellung von Anforderungsspezifikationen in Absprache mit dem Kunden und den Fachabteilungen Konzeption und Entwicklung von mobilen Anwendungen Optimierung und Weiterentwicklung bereits bestehender Applikationen Durchführung von Tests sowie deren Dokumentation Anwendersupport und Fehleranalyse


## Related Videos

- [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company)
- [Fake or News: Translating Dog Barks, Notepad Gets an Upgrade and Michelin-Star Robots - Paul Tregoing](https://www.wearedevelopers.com/videos/1802-fake-or-news-translating-dog-barks-notepad-gets-an-upgrade-and-michelin-star-robots-paul-tregoing)
- [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained)
- [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web)
- [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem)
- [How Lufthansa Industry Solutions is preparing for the Quantum Age! ](https://www.wearedevelopers.com/videos/1443-how-lufthansa-industry-solutions-is-preparing-for-the-quantum-age)

## Related Articles

- [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)
- [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025)
- [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany)
- [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany)