Senior Android Engineer - App Platform (all genders)

Your Learning Journey in This Role As a Senior Android Engineer - App Platform, your mission is to change the future of language learning while working in a flexible and stimulating environment.

You will collaborate within a diverse team of motivated colleagues, engaging with different disciplines to broaden your expertise and share your own knowledge.

You’ll contribute to a robust architecture and help build the foundation for an easily extendable and maintainable application.

Babbel uses a hybrid approach to develop the self-study learning experience, offering opportunities to work with native Android, native iOS, and frontend web technologies such as React and Redux.

How You'll Make an Impact Design and maintain core Android platform components, shared modules, and internal SDKs that power multiple feature teams Drive architecture decisions, establish best practices, and ensure scalable, high-quality Android development across teams.

Improve build systems, CI/CD pipelines and performance tooling Collaborate cross-functionally to make informed decisions ranging from User Experience to API design Participate in our knowledge-sharing culture: code reviews, pair programming, knowledge-sharing sessions, feature demonstrations Maintain and proactively improve the overall technology stack and infrastructure of the Android app(s) Your Skills and Qualifications Developed several Android apps using: Kotlin, Java, Jetpack libraries (Compose, Lifecycle, etc.), DI (Dagger/Hilt), Retrofit, WorkManager, Testing with Espresso, Mockito, and UI test In-depth knowledge of design patterns, particularly MVVM and MVI architectures.

You have experience with Coroutines/Flows and RxJava/RxKotlin The ability to maintain and develop CI/CD pipelines, preferably with Fastlane, Bitrise, Github Actions Expertise with AI tooling and infrastructure, including LLM-powered development tools (e.g., Cursor) and agentic AI systems, with the ability to apply them effectively to accelerate engineering workflows and improve productivity.

Fluency in written and spoken English Experience with how a deliberate setup of process and tooling can be used to ensure delivery of high quality software Strong desire to learn new things and share knowledge with others Experience in mentoring other engineers Please note that our company’s operating language is English, so you will need to be able to work in English.

Some perks of becoming a Babbelonian Enjoy 30 vacation days.

Plus family and life situation counseling.

Set up the right schedule for you with flexible working hours and enjoy Jobbatical (up to 3 months working inside the EU and the UK), plus work from our fully equipped office with nap, faith and family rooms.

Learn and grow with the internal learning opportunities, and use a yearly learning & development budget for external training.

Learn languages with Babbel for free with your full access to Babbel.

Take advantage of your mobility