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Senior Android Engineer - App Platform

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Babbel

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Location:
Germany , Berlin

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

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.

Job Responsibility:

  • 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)

Requirements:

  • 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
  • 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
What we offer:
  • 30 vacation days
  • Family and life situation counseling
  • Flexible working hours
  • Jobbatical (up to 3 months working inside the EU and the UK)
  • Fully equipped office with nap, faith and family rooms
  • Internal learning opportunities
  • Yearly learning & development budget for external training
  • Full access to Babbel to learn languages for free
  • Mobility benefits options
  • Discounted Urban Sports Club membership
  • Be part of our DE&I Community Networks (such as FLINTA in Tech, and Queer Collective)
  • Attend cultural and regular social events

Additional Information:

Job Posted:
March 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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