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September 29, 2026

Senior Android Developer

Senior • On-site

Helsinki, Finland

Quick Facts

  • Role: Senior Android Developer
  • Location: Helsinki (2–3 days/week on-site)
  • Contract window: 2026-10-08 to 2027-03-31 (extension possible)

Description

Senior Android developer role focused on building and modernizing Android apps with Kotlin and Jetpack Compose. You will lead migration from legacy View-based UI to Compose, refactor custom components to align with a standardized design system, and drive frontend best practices for maintainable and reusable mobile solutions.

Responsibilities

  • Design, implement, and maintain high-quality Android applications
  • Lead modernization by migrating legacy View-based UI implementations to Compose
  • Refactor and update custom-built UI components to align with the company’s standardized design system and UI component libraries
  • Promote frontend engineering best practices for scalable, maintainable, reusable mobile solutions
  • Develop and maintain automated UI tests using Espresso; contribute to improving overall test automation coverage
  • Create and maintain unit tests and other verification activities to ensure quality and reliability
  • Participate in feature design, implementation, testing, release activities, and ongoing maintenance
  • Analyze application behavior, troubleshoot issues, and support continuous improvements to performance, stability, and user experience
  • Collaborate with designers, backend developers, QA engineers, architects, and business experts to deliver customer-centric mobile solutions

Requirements

  • Must-have: Kotlin, Jetpack Compose
  • Nice-to-have: Material Design; View/XML based UI experience

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