Rogon Technologies GmbH

Senior Android Developer

Rogon Technologies GmbH

full-time

Posted on:

Location Type: Hybrid

Location: Cologne • Germany

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Job Level

Senior

Tech Stack

AndroidDaggerGraphQLKotlin

About the role

  • Lead the design and implementation of new Android features using Kotlin Multiplatform Mobile (KMP)
  • Ensure high performance, clean architecture, and reusability across modules
  • Work closely with backend and computer vision teams to integrate AI-powered analytics, video features, and gamification elements
  • Maintain a strong focus on user experience, scalability, and code quality
  • Work cross-functionally with designers, product managers, and backend engineers to deliver end-to-end features
  • Perform code reviews, improve CI/CD pipelines, and ensure robust testing coverage
  • Mentor developers and help evolve the mobile engineering standards within CUJU
  • Identify opportunities to improve app performance, reliability, and modularization

Requirements

  • 5+ years of Android development experience
  • Strong proficiency in Kotlin, Kotlin Multiplatform (KMP), and Android SDK
  • Solid understanding of architecture patterns (MVVM, Clean Architecture)
  • Experience with Jetpack Compose, Dependency Injection (Hilt/Koin/Dagger)
  • Familiarity with CI/CD, unit testing, and Play Store delivery processes
  • Understanding of REST APIs, GraphQL, and real-time data sync
  • Strong ownership mindset, proactive problem-solving skills
  • Excellent communication skills in English
  • Passion for sports, user-centric products, and/ or gamified digital experiences.
Benefits
  • 30-day vacation
  • Competitive compensation
  • Corporate benefits
  • Creative freedom & responsibility
  • Personal development opportunities
  • Team spirit & culture
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KotlinKotlin Multiplatform Mobile (KMP)Android SDKMVVMClean ArchitectureJetpack ComposeDependency InjectionHiltKoinDagger
Soft Skills
ownership mindsetproblem-solving skillscommunication skills