Senior Android Developer (f/m/x)

Job description

The Bosch eBike / COBI.Bike Software Team is looking for a passionate & experienced Android Developer who is enthusiastic about connected mobility and hungry to take on development responsibilities on a new app at our rapidly growing start-up. Our team works full-stack across embedded, mobile (iOS & Android) and the cloud to ensure a seamless interplay of hardware and software. 

The candidate lives & breathes Android and will work within a cross-functional team along UX designers, to meet the highest levels of value and quality for our customers.


  • Participate in the design process for new app features, frameworks 
  • Explore specific opportunities to improve the experience on Android 
  • Implement code according to API and UI designs. Optimize the application for performance, scalability and compatibility across the Android device landscape.
  • Create and maintain a suite of automated tests (unit, integration and end-to-end)
  • Take ownership for aspects of the build pipeline, release and deployment lifecycle


  • At least 3 years of experience as an Android Developer.
  • Full proficiency in Kotlin.
  • Strong understanding about Android SDK, knowing how to use which API to build optimal apps in terms of runtime performance and memory management.
  • You care about the quality of the code. You love writing clean code while still able to understand the need of moving fast. You pride yourself on clean API design.
  • Experience with MVVM/MVP, Clean Architecture and Android Jetpack.
  • Understand the advantages of a reactive and unidirectional data flow.
    • Bonus: Experience juggling around with Kotlin Coroutines.
  • Experience with building adaptive layouts, fluid UI animations, and custom views.
  • Experience with writing maintainable, and readable unit tests.
    • Bonus: Experience with JUnit, AssertJ, and Mockk.
  • Ability to conduct nice, respectful, constructive yet efficient code reviews.
  • Bonus: Experience in functional programming. You understand the importance of immutability, pure functions, and efficient state management.
  • BS/BA in Computer Science or Software Engineering, or equivalent experience.


      • Creative, multilingual environment and a culture that is supportive, dynamic and encourages professional growth

      • Competitive salary, great Apple IT equipment, regular team events and celebrations

      • E-Bikes for private testing purposes and company leased bike possible

      • Development budget for every employee

      • Market-proven and fast growing company with the security of a large corporate

      • 30 vacation days, relocation and visa service for international candidates

      ABOUT Bosch eBike Systems & COBI.Bike

      COBI.Bike GmbH is not a bike company, but rather a tech company within the bike sector. The team is fully committed to creating and evolving the best possible experience for the user. Good, recognizable design is key for us. We make no compromises on design and quality. We use the most advanced, scalable technologies in the development of our software and hardware. A beautiful, technically outstanding product providing beneficial software services at an affordable price is our claim.

      Recently acquired by Bosch eBike Systems, our technical know-how will be combined with Bosch’s global market share.  For us, this is undoubtedly a significant step into the future. From conception and engineering to manufacturing, marketing and after-sales service, Bosch eBike Systems constantly set new standards for the eBike industry. The Bosch Group’s experience in the areas of electric motors, sensor technology, displays and lithium-ion batteries ensures that Bosch eBike systems use technology that is invented for life and that eBike users have their fun.