Senior Android Engineer - Navigator (all genders)

Babbel; Berlin; Hybrid; Vertraulich; Vollzeit

Zusammenfassung

A leading language learning platform is looking for a Senior Android Engineer to join their Navigator Team. This role focuses on delivering high-quality mobile applications using Kotlin and Java while collaborating with a diverse team. Responsibilities include improving the technology stack, mentoring engineers, and shaping user experiences for better learner retention. The ideal candidate should be passionate about technology and learning, fluent in English, and eager to share knowledge within a flexible work environment.

Leistungen

30 vacation days

Flexible working hours

Yearly learning & development budget

Mobility benefits options

Discounted Urban Sports Club membership

Employee communities and events

Qualifikationen

• Developed several Android apps using Kotlin, Java, Jetpack libraries.
• In-depth knowledge of design patterns such as MVVM and MVI.
• Experience with Coroutines, Flows, and RxJava/RxKotlin.
• Ability to maintain and develop CI/CD pipelines.
• Expertise with AI tooling and infrastructure.

Aufgaben

• Deliver high-quality, scalable mobile apps.
• Collaborate cross-functionally on user experience and API design.
• Participate in knowledge-sharing practices and code reviews.

Kenntnisse

Kotlin

Java

Jetpack libraries

Coroutines/Flows

RxJava/RxKotlin

CI/CD pipelines

AI tooling

Mentoring

Tools

Dagger

Room

Retrofit

Testing with Espresso

Mockito

UI testing

Jobbeschreibung

We are looking for a Senior Android Engineer (all genders) to join our Babbel Navigator Team !

As a Senior Android Engineer in the NaviGator team, you’ll help shape the future of language learning in a flexible, inclusive environment. Working with a diverse group of motivated colleagues, you’ll collaborate across disciplines, share your expertise, and help build a scalable, maintainable app using both hybrid and native Android development.

We guide user navigation on both mobile and web, focusing on increasing learner retention with intuitive design and personalized recommendations. By owning the Learn and Practice tabs and using feedback and retention metrics, we ensure every learner enjoys a seamless, engaging experience tailored to their progress and interests.

You will:

• 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).

You have:

• Developed several Android apps using: Kotlin, Java, Jetpack libraries (Compose, Lifecycle, etc.), DI (Dagger), Room, 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.

Nice to have:

• Someone who is a high senior with more hands-on experience and very good attitude and communication skills.
• Knowledge of Automation testing tools like Appium is a good Plus.
• Knowledge or prior experience with backend is a plus.

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 & Babbel Live classes.
• 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.