Android Platform Lead

Otto GmbH & Co KG

E-Commerce

Quick Facts

• Hybrid Shopping App
• Otto Android App
  • https://play.google.com/store/apps/details?id=de.cellular.ottohybrid
• Otto Company
  • https://www.otto.de/
• 📊>5.000.000 User
• 📊>1.000.000 DAU
• ⭐ >4,5 Rating

Main Tasks

• Drive bigger architecture refactorings and developer experience
• Planning and consultation with feature development teams
• Responsibility for further development of tech roadmap together with the team
• Build up Android platform team
• Moderation of Android platform meetings
• Recruiting interviews (general & technical interviews)

Projects

• Automation of development best practices & rules
  • Mainly via detekt & lint
  • Reduction of developer errors for certain architecture and reactive patterns
  • Made refactoring needs more transparent
  • Responsibility for planning & partially execution
• Refactoring of integration test setup
  • Refactoring of complete test setup from espresso to kaspresso with additional layer to reduce flaky test count
  • Decreased test CI runtimes from 45min to 15 min
  • Result:
    • Minimized flakiness & improvement of success rate from 60% to 99%
• Implementation of new OAuth authentication via PKCE flow
  • Responsibility for planning & most of the execution

Technologies

• Android
  • Architecture: MVVM
  • Coroutines Dagger2 detekt Espresso Glide Jetpack Compose JUnit Kaspresso Koin Kotlin lint MockK Moshi OkHttp Retrofit Robolectric RxJava2
• Other
  • CircleCI Docker Elastic
  • AWS:
    • CloudFormation CloudWatch DynamoDB EC2 Lambda S3