Senior Android Engineer, Babbel

• Developed several Android apps using: Kotlin, Java, Jetpack libraries (Compose, Lifecycle, etc.), DI (Dagger), Retrofit, WorkManager, Testing with Espresso, Mockito, and UI test
• In-depth knowledge of design patterns, particularly MVVM 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
• Experience with WebView integration and JavaScript bridge communication for embedding web-based learning experiences
• 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

Desirable

• We are looking for a Senior Android Engineer to join our Babbel Motivational Mechanics Team!
• In your role as a Senior Android Engineer, your mission will be to change the future of language learning while working in a flexible and stimulating environment
• Working in a diverse team together with motivated colleagues, you will be collaborating and diving into different disciplines to broaden your knowledge in other fields of expertise as well as share your own
• You will contribute to a great architecture and build the base of an easily extendable and well maintainable application
• We are using a hybrid approach to develop the self-study learning experience. In your role, you will have the opportunity to work with a mix of native Android and frontend Web technologies (e.g. React and Redux)
• Deliver high-quality, scalable mobile apps by contributing to the discovery and delivery of new features on Android and web platforms
• Be part of a user-focused team that builds end-to-end learning experiences
• 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)

• Please note that our company’s operating language is English, so you will need to be able to work in English