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Joom

Senior Android Developer

Joom

Senior Android Developer for Onfy, a German pharmacy marketplace. Focusing on Android development and collaborating with cross-functional teams to improve user health experiences.

Posted 5/13/2026full-timeBerlin • 🇩🇪 GermanySeniorWebsite

Tech Stack

Tools & technologies
AndroidGradleKotlin

About the role

Key responsibilities & impact
  • Develop and evolve the Android project architecture
  • Design client-side APIs and integrations with backend services
  • Build and improve product features in checkout, payments, delivery, post-purchase experience, refunds, and returns
  • Participate in product discussions, feature design, and experiment launches
  • Work closely with product managers, designers, QA engineers, analysts, and backend developers
  • Maintain and improve code quality, modularization, and automated tests

Requirements

What you’ll need
  • Strong experience with Android development and Kotlin
  • Solid understanding of Jetpack Compose
  • Experience building client–server applications
  • Experience with Kotlin Coroutines
  • Experience with Gradle and modularized projects
  • Ability to design maintainable architecture and make pragmatic technical decisions
  • Product-oriented engineering mindset: ability to understand user problems, think beyond implementation, and contribute to product decisions

Benefits

Comp & perks
  • Fully remote or hybrid format (Berlin or Lisbon office)
  • Permanent employment contract (Germany or Portugal) or Contract-based collaboration (full-time)
  • Transparent growth framework: we define growth expectations together and set goals that align with them

ATS Keywords

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Hard Skills & Tools
Android developmentKotlinJetpack ComposeKotlin CoroutinesGradleclient-server applicationsmodularizationautomated testsAPI designproduct feature development
Soft Skills
product-oriented engineering mindsetproblem-solvingcollaborationcommunicationpragmatic decision-making