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Are you looking for a new challenge and want to be part of the fastest growing ad tech company in Hamburg, Germany?

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:
  • Reshape the way apps operate their business – by creating industry-changing technologies, ad formats, and business models with us!
  • Work-Life Package: 2 remote days / week, 30 days vacation, flexible hours, kick-ass office in the center of the city, dog-friendly
  • Relocation Package: Visa & legal support, relocation bonus
  • Happy Belly Package: Company & team lunches, breakfast, tons of free snacks and drinks
  • Physical & Mental Health Package: Gym membership, Yoga classes
  • Activity Package: Regular team events, hackathons, company trips
  • 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.
    Build Your Own Path
    What I really love about working at adjoe is the freedom to innovate. I have the ability to take ownership of all my projects and through this autonomy, I know that my work is trusted which really allows me to do my job in the best way possible.
    Robin, Ad Ops
    Work Internationally
    For me, the best part about working at adjoe is our diverse international team. Working with people from all over the world brings different perspectives together, which allows us to approach problems from all angles to find the best solutions.
    Barbara, Strategic Partnerships Manager
    Embrace Challenges
    At adjoe, I am often confronted with diverse challenges that help me improve my overall technical skills. We also host regular hackathons to explore new technologies so that we are better prepared the future.
    Kostas, Backend Developer
    Boost Your Career
    adjoe is a place where I am encouraged and given opportunities to grow professionally. It’s where my work is both challenging and rewarding, and where I am able to build a great social network with my colleagues.
    Janvi, Strategic Partnerships Manager

    ENJOY OUR BENEFITS

    Fresh Food & Drinks

    Free Gym Membership

    Flexible Working Times

    Free Choice of Hard and Software

    Hackathons & Meetups

    Monthly Team Events

    Annual Company Trip

    Public Transportation Subsidy

    Free Breakfast

    Dog Friendly

    Starter Kit

    Relocation Support

    Tech Stack
    Athena
    Clickhouse
    Cloudwatch
    Docker
    DynamoDB
    ECS
    Elastic
    Firehose
    Fluentbit
    GitLab
    Glue
    Golang
    Google App Engine
    Grafana
    Javascript
    Kafka
    Kinesis
    Kotlin
    Kubernetes
    Lambda
    MySQL
    nginx
    Npm
    Redis
    Redshift
    S3
    Scala
    Sentry
    Spark
    SQS
    Typescript

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