> Markdown version of [/jobs/ext/2267562-teamleiter-app-entwicklung-android-ios](https://www.wearedevelopers.com/jobs/ext/2267562-teamleiter-app-entwicklung-android-ios). 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). --- # Teamleiter App Entwicklung - Android & iOS - **Company:** onOffice GmbH - **Location:** Aachen, Germany (Remote available) - **Experience:** Experienced - **Salary:** €61,000.0 - €74,500.0 - **Contract:** Permanent contract - **Skills:** Application Frameworks, Unit Testing, Code Review, Continuous Integration, Release Management, Kotlin, Objective C++, Code Restructuring - **Published:** August 27, 2026 - **Apply:** https://www.xing.com/jobs/aachen-teamleiter-app-entwicklung-android-ios-147204244 ## About the Role * Mindestens 3 Jahre Erfahrung in der Leitung eines Entwicklerteams, idealerweise im Mobile-Umfeld. * Fundierte Expertise in der Mobile-App-Entwicklung (Kotlin, Swift) und API-Integration. * Sehr gute Kenntnisse in einer Plattform (Android/iOS) plus strategischer Überblick über die jeweils andere. * Verständnis für Legacy-Code (Objective-C) zur Steuerung von Refactoring-Prozessen durch das Team. * Erfahrung in Qualitätssicherung, Unit-Tests, CI/CD, Release-Management und modernen Entwicklungspraktiken. * Fließende Deutschkenntnisse (C1+) für den präzisen und sicheren Austausch innerhalb unserer Team- und Unternehmenskultur. ## Description * Leitung des App-Teams mit Fokus auf Android- und iOS-Entwicklung (Kotlin, Swift). * Koordination beider Plattformen zur Nutzung von Synergien bei der Feature-Umsetzung. * Sicherstellung von Qualität durch Code-Reviews, Unit-Tests, Release-Management und CI/CD. * Strategische Modernisierung der App-Architektur: Transfer von Objective-C hin zu Swift und Kotlin. * Optimierung der Entwicklungsprozesse mit modernen Projektsteuerungs- und Testmethoden. * Zusammenarbeit mit Produktmanagement, Design und Entwicklerteams, aktive Mitarbeit in der Entwicklung. ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Successful talent development in tech: A joint journey of executives and talents](https://www.wearedevelopers.com/videos/1497-successful-talent-development-in-tech-a-joint-journey-of-executives-and-talents) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany)