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Senior Android Developer (m/f/d)

Confidential company · Cologne · Posted Jun 8, 2026

Public summary

Join a leading European e-pharmacy as a Senior Android Developer to own and advance their Android application. This role involves driving app architecture, scalability, and long-term evolution using modern technologies like Kotlin, Jetpack Compose, and clean architecture principles. Collaborate with cross-functional teams, lead the adoption of best practices in modularization, testing, and performance, and maintain a focus on user experience and app stability. The position offers remote work flexibility, a strong emphasis on personal development, and multiple employee benefits including sports memberships, mental health support, and mobility allowances.

Location and work setup

Location
Cologne
Remote status
Hybrid
German requirement signal
No German Required Detected
Detected job language
English

Salary

EUR 75000.00 - 95000.00 yearly

Responsibilities

Lead the design and development of scalable Android applications using MVVM/MVI/Clean Architecture. Drive adoption of Jetpack Compose for responsive UIs. Ensure modularization, code quality, testing, and performance optimization. Collaborate with product managers, designers, and backend engineers. Manage CI/CD pipelines, testing, and release processes. Monitor app stability and performance. Maintain clear documentation of architecture decisions and technical processes. Stay updated with latest Android developments and proactively improve codebase and tools.

Qualifications

Extensive experience in Android development with strong Kotlin expertise. Deep understanding of Android SDK and modern development practices. Hands-on experience with Jetpack Compose, Coroutines & Flow, Dependency Injection (Hilt/Dagger), REST APIs (Retrofit/OkHttp). Strong knowledge of clean architecture, design patterns, modularization. Experience with testing frameworks (JUnit, Espresso, MockK) and writing maintainable, testable code. Familiarity with CI/CD pipelines and modern workflows. Proven ability to independently manage complex projects with focus on performance, scalability, and user experience.

Skills

Kotlin Android SDK Jetpack Compose Android Jetpack Coroutines Flow Hilt Dagger Retrofit OkHttp Ktor Koin MVVM MVI Clean Architecture CI/CD JUnit Espresso MockK