Senior Android Developer

About the role

emagine is seeking a Senior Android developer to work on a banking client’s mobile applications in Helsinki. The position runs from October 2026 to March 2027 with a possible extension, requiring 2‑3 days per week on‑site.

Key responsibilities

• Design, implement, and maintain high‑quality Android apps using Kotlin and Jetpack Compose.
• Migrate legacy View‑based UI to Compose and update custom UI components to match the company’s design system.
• Drive frontend engineering best practices for scalable, reusable mobile solutions.
• Develop and maintain automated UI tests with Espresso and expand test automation coverage.
• Create unit tests and other verification activities to ensure application quality.
• Participate in feature design, implementation, testing, release, and ongoing maintenance.
• Analyse app behaviour, troubleshoot issues, and improve performance, stability, and user experience.
• Collaborate with designers, backend developers, QA engineers, architects, and business experts.

Required profile

• Strong experience with Kotlin and Jetpack Compose.
• Ability to modernise legacy Android codebases and work with design systems.

Required skills

• Kotlin
• Jetpack Compose
• Material Design
• View/XML based UI