Your Learning Journey in This Role

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).

How You’ll Make an Impact

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).

Your Skills and Qualifications

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 Google Play Billing (Google Billing Client) and implementing in-app purchase flows, including subscription handling and paywall integration on Android.
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.

Nice to have:

Experience with MVI (Model-View-Intent) architecture pattern.
Experience with Hilt for dependency injection.
Experience with Kotlin Multiplatform (KMP) for shared business logic.
Experience with KSP (Kotlin Symbol Processing) for code generation.

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 and the chance to take a 3-month Sabbatical. Plus family and life situation counseling.
Decide how, when and from where you want to work with our flexible working hours and remote-friendly options as Jobbatical (up to 3 months inside the EU and UK) or 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 benefits options and a discounted Urban Sports Club membership.
Be part of our employee communities (such as FLINTA, DE&I Ambassadors and LGBTQIA groups), attend cultural and regular social events.

Diversity at Babbel

As part of our ongoing journey towards building a diverse, equitable and inclusive company, we welcome everyone to apply, especially those individuals who are underrepresented in tech. We are a learning company, inside and out, and we encourage you to apply even if you do not fit all the technical requirements - all candidates are assessed based on skills, qualifications and on our business needs. Please state your pronouns in your application, and let us know if you’d like to be addressed by a name other than the one appearing on your official documents. If you have a disability or special need, feel welcome to inform us, so that we can provide you with the proper assistance in the application process.

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