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Do you want to build awesome, engaging mobile games and scale them to millions of users?

Senior Mobile Developer (f/m/d)

  • Hamburg
  • adjoe
  • Tech Team
  • Full time
As a Senior Mobile Developer, you are responsible for letting millions of mobile users have fun with our engaging ads!

adjoe is a leading mobile platform developing cutting-edge advertising and monetization solutions that take our app partners’ business to the next level. 

Our unique ad unit “Playtime” has made us one of the fastest-growing ad platforms and top-ranking user acquisition sources for app publishers worldwide. And that’s just the start. Our vision is to serve a positive ad experience to every app user on the globe. To achieve that, we challenge the status quo by creating industry-changing technologies, ad formats, and business models. 

As part of the Applike Group (financially backed by media powerhouse Bertelsmann), adjoe has access to an extensive network of industry experts and funding with a long-term growth mindset. Our advanced tech stack and modern cloud technologies (learn more here) allow us to handle billions of ad requests per day and are the foundation for our competitive advantage.

We aim to reshape the way apps operate their business. If you thrive in a tech-driven, fast-paced, and creative environment then join our ambitious team in achieving our vision!
What you will do:
  • You implement and further develop innovative features in our adjoe SDK 
  • You implement mechanisms to enhance the technical stability, performance, maintainability, and ease of integration of our adjoe SDK
  • You design and specify functional requirements for Android 
  • You build and publish our SDK release and its wrappers to deliver the latest feature set to our integration partners
  • You continuously add to our test coverage and come up with new ways to make sure SDK updates are released without issue
  • You define our future software architecture together with other developers
  • You work in close cooperation with our product managers and developers

  • Who you are:
  • You have a degree in computer science (or a similar field) or 3+ years of work experience as a mobile developer
  • You gained expert knowledge of Java/Android/Kotlin
  • You have a deep understanding of Android app and service life cycles
  • You keep up to date with trends in changes in mobile development
  • You collected hands-on experience with libraries and SDKs
  • You have increased awareness for UX and UI
  • A big plus: knowledge of Android NDK, React Native (TypeScript), Unity (C#), Flutter (Dart) and React
  • Another big plus: experience with build/deployment tooling (Maven, Gradle, NPM)
  • Why you will love working here:
  • High impact and the opportunity to shape our business – Share your creativity, support your ideas with convincing arguments, and make them happen!
  • Startup with a fast-paced environment, strong technical background and inhouse solutions in a great new office (An der Alster)
  • We support visits of company relevant congresses and your further education e.g. with weekly tech talks or German courses
  • Flexible working hours including home office days and 30 days of vacation per year
  • Regular team events, off-sites, and parties
  • Free drinks and snacks, gym membership, and support for public transportation (HVV-Profi Card)
  • State of the Art Hard- and Software
  • Skip writing cover letters. Tell us about your most passionate personal project, your desired salary and your earliest possible start date. We are looking forward to your application!

    We celebrate diversity and are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

    Enjoy our Benefits

    Fresh Drinks & Food

    Free full Gym Membership

    Flexible Working Times & 2 Remote Days per Week

    State of the Art Hard- and Software

    Hackathons & Meetups

    Monthly Team Events

    Annual Company Trip Into the Sun

    Lunch Lottery

    Public Transportation Subsidy

    Free Breakfast everyday

    Dog Friendly

    Starter Kit

    Relocation Support

    Working at AppLike Group

    Make the difference

    “At justDice my professional career has been able to grow alongside the company. It is amazing to see how much influence every single person has in the development and success of our company. In addition, having flexible working hours and being able to bring my dog to the office allows me to have a good work-life balance.”
    Florian, Tech Lead Android justDice

    Work international

    I really enjoy working at Adjoe because of the amazing and international team we have. Working in a start-up obviously comes with some challenges, but tackling them together as a team makes it extra rewarding.
    Yoni, Business Development Adjoe

    Attend our Journey

    I love our “move fast” mentality that makes you learn and improve every day and just get things done better! But we never forget to support each other and have fun! I am very excited about our journey and how the team as a whole and each of its members will evolve in the future.
    Lisa, Recruiting AppLike Group

    Focus on what matters!

    I’m happy to have joined Sunday, we have great synergy as a team and everything is moving forward fast and smoothly. Here at Sunday, we focus on the things that bring more impact and avoid the energy drains that one can find in other companies.
    Leon, Unity Developer Sunday

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    Nevermind! We are always interested to get in touch with new talents.

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