Senior Android Developer (m/f/d)

Description

The company is Europe's largest e-pharmacy, and the team is building its Android app, which it wants to keep scalable and easy to maintain over time.

You will own the app from end to end, shaping its architecture and steering its long-term direction alongside cross-functional colleagues.

The tech stack includes Kotlin, the Android SDK, Jetpack Compose, Android Jetpack (ViewModel, Navigation, DataStore), Coroutines & Flow, Hilt (Dagger), Retrofit/OkHttp, Ktor and Koin.

Responsibilities

• Design and build scalable, maintainable Android apps using modern architecture such as MVVM, MVI or Clean Architecture.
• Push the team toward Jetpack Compose for declarative, responsive UI.
• Define and evolve the app's architecture, and set standards for modularization, code quality, testing and performance.
• Work with product managers, designers and backend engineers to ship user-focused features.
• Run the delivery pipeline: CI/CD, unit and UI testing, and releases.
• Keep the app stable by using monitoring, logging and performance tracking tools.
• Write and maintain clear documentation covering architecture decisions, features and technical processes.
• Track new Android tools, frameworks and trends, and suggest improvements to the codebase, tooling and processes.

Requirements

• Extensive Android development experience with strong Kotlin skills.
• Deep knowledge of the Android SDK and current Android development practices.
• Hands-on experience with Jetpack Compose, Coroutines & Flow, dependency injection (Hilt or Dagger) and REST APIs (Retrofit or OkHttp).
• Solid grasp of clean architecture, design patterns and modularization.
• Experience testing with JUnit, Espresso and MockK, and writing code that is easy to maintain and test.
• Familiarity with CI/CD pipelines and modern development workflows.
• A track record of owning complex projects and delivering high-quality work on your own.
• A strong focus on performance, scalability and user experience.

Conditions

Equal opportunity applies to all candidates.

Benefits

• Urban Sports Club membership (M package) for a wide range of sports.
• Free, anonymous counselling from psychologists via Likeminded for private or work stress.
• Work from home arranged individually where the role allows, including up to 20 days a year from anywhere in the EU.
• Fully paid Deutschland Ticket for public transport, usable at any time.
• Internal and external training to support your personal development.
• Further benefits beyond these.