Senior React Native Engineer - App Owner (w/m/x/d)

MILES; Berlin; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Mobility credits

Urban Sports Club membership

Discounts with 1,500+ providers

Home Office flexibility

Pension plan

Knowledge sharing & training

Job summary

Miles is seeking an experienced React Native engineer to own our consumer mobile app end to end from architecture to store release. You will manage the codebase for iOS and Android, maintain native modules, and ensure robust API contracts with backend teams.

You will drive automated testing, CI, and continuous delivery, while integrating payments, maps, analytics, and messaging SDKs. You should bring 5+ years of React Native production experience, strong native knowledge, and fluent English with

Qualifications

• 5+ years of React Native in production, shipped to both the App Store and Google Play.
• Strong native knowledge in Swift/Obj-C or Kotlin/Java with Android Studio and Gradle.
• Experience with TypeScript/JavaScript and modern state management.

Responsibilities

• Own the app’s architecture, code quality, performance and stability on iOS and Android
• Build and maintain native modules in Swift or Kotlin where React Native is not enough
• Own native build, release and store distribution for iOS and Android
• Agree API contracts with backend engineers and handle offline, retry and error states
• Integrate and maintain third-party SDKs for payments, maps, analytics and messaging
• Build and maintain automated test coverage and run it in CI
• Keep the codebase’s AI tooling in version control and review it like code
• Effectively deploy and use AI agents.

Skills

React Native

TypeScript

REST API

CI/CD

English fluency

German work eligibility

Tools

Swift

Kotlin

Xcode

Gradle

GitLab CI

Fastlane

Job description

Join the ride!You own our consumer mobile app end to end, from architecture to store release. One

Join the ride!You own our consumer mobile app end to end, from architecture to store release. One React Native codebase ships to iOS and Android, and you are accountable for its code, its native layer, its releases and the app side of every API contract. The app is how our customers experience the product every day. Your work keeps it fast, stable and safe to change, and raises its quality and release confidence with every version. This position is Berlin based.

Your Responsibility

• Own the app’s architecture, code quality, performance and stability on iOS and Android
• Build and maintain native modules in Swift or Kotlin where React Native is not enough
• Own native build, release and store distribution for iOS and Android
• Agree API contracts with backend engineers and handle offline, retry and error states
• Integrate and maintain third-party SDKs for payments, maps, analytics and messaging
• Build and maintain automated test coverage and run it in CI
• Keep the codebase’s AI tooling in version control and review it like code
• Effectively deploy and use AI agents.

Your Experience

• 5+ years of React Native in production, shipped to both the App Store and Google Play
• Solid native knowledge: Swift or Objective-C with Xcode, Kotlin or Java with Android, Studio and Gradle
• Strong TypeScript and JavaScript, and experience with modern state management
• REST API integration with deliberate handling of async, offline and error states
• Automated testing with Jest and Detox or Maestro, run in CI such as GitLab CI or GitHub Actions
• Store releases with fastlane: signing, pre-release test tracks and staged rollouts
• Fluent in English, and eligible to work in Germany

Highly desired

• Experience in mobility, logistics or another operations-heavy consumer product
• Map-heavy apps: location permissions, push notifications and deep linking
• Payment SDK integration in a consumer app
• Comfortable reading backend code in a typed language and SQL
• Accessibility and localisation for a multi-language audience
• Daily use of AI coding agents, reviewing their output like any pull request

Nice to have

• A valid driving licence (EU category B or equivalent). Testing the product includes trip on the road.

Benefits

• Mobility: Choose between monthly MILES credits or the Deutschlandticket.
• Fitness: Enjoy a subsidized Urban Sports Club membership for your physical and mental well-being.
• Discounts: Access 1,500+ providers for discounts on sneakers, theater visits, and more.
• Home Office: Enjoy the flexibility of working from our office in Berlin and from home.
• Retirement: Secure your financial future with our attractive pension plan.
• Growth: We prioritize personal development through knowledge sharing and training opportunities (with the support from our HR Team and the Team Leads).
• Social Impact: We dedicate a portion of our revenue to support regional social projects, actively contributing to the well-being of society and the environment. #milescharity

About Us

OUR VALUES

Our MILES values are the basis of our daily work and what makes us a team. They define how we treat each other at MILES and how we strive to bring the best of ourselves to our customers.

Here is a brief insight into what you can expect from us in your day-to-day:

Passion: Be yourself, have fun, and enjoy what you do.

Ownership: Strive for excellence and surprise yourself.

Resourceful: Be pragmatic. Use what we have first.

Curiosity: Feel free to challenge the status quo and be willing to adapt.

Support: Support each other and proactively ask for help.

Empathy: Always consider the position others are in.

About Miles

We are the leading car sharing provider in Germany and also offer long-term car subscriptions. Thanks to our cooperation and charity activities, part of our turnover goes towards regional and social projects.

At MILES, we believe in a world in which mobility is shared, sustainable, and accessible to all. With our offer, we create an alternative to private car ownership, reduce the number of vehicles on the roads, and positively contribute to urban life.

Become part of our diverse team, bringing talented people from over 50 countries together, each with their own experiences and ideas.