Senior React Native Engineer - App Owner (w/m/x/d) at MILES Mobility GmbH | BE, DE | Rezi

Senior React Native Engineer - App Owner (w/m/x/d) at MILES Mobility GmbH

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

MILES Mobility GmbH · BE, DE

3 weeks ago

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

MILES Mobility GmbH · BE, DE

25 days ago
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About the Role

You will own our consumer mobile app end to end, from architecture to store release. You are accountable for the React Native codebase, its native layer, its releases, and the app side of every API contract. Your work will ensure the app is fast, stable, and safe to change, improving its quality and release confidence with every version.

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

Requirements

  • 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
  • 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
  • A valid driving licence (EU category B or equivalent)

Skills

  • React Native
  • Swift
  • Kotlin
  • TypeScript
  • JavaScript
  • REST API
  • Jest
  • Detox
  • Maestro
  • GitLab CI
  • GitHub Actions
  • fastlane
  • SQL

Location

  • Berlin

Work Type

  • Home Office
  • Office

Experience Level

  • 5+ years

Benefits

  • Monthly MILES credits or the Deutschlandticket
  • Subsidized Urban Sports Club membership
  • Discounts from 1,500+ providers
  • Flexibility of working from our office in Berlin and from home
  • Attractive pension plan
  • Personal development through knowledge sharing and training opportunities
  • Portion of revenue dedicated to supporting regional social projects

About the Company

  • MILES values: Passion, Ownership, Resourceful, Curiosity, Support, Empathy
  • Leading car sharing provider in Germany
  • Offer long-term car subscriptions
  • Believe in a world where mobility is shared, sustainable, and accessible to all
  • Create an alternative to private car ownership, reduce the number of vehicles on the roads, and positively contribute to urban life
  • Diverse team with talent from over 50 countries