Senior iOS/Android Developer with German

About the role

We are seeking a Senior Frontend Engineer – Mobile Apps to join our cross‑functional digital product team. You will design, develop and maintain customer‑facing iOS and Android applications, ensuring high‑quality, accessible, secure experiences for Swiss banking users.

Key responsibilities

• Design, develop and maintain native features for iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose) applications.
• Implement multilingual UI (DE/FR/IT/EN) using i18n frameworks and localisation best practices.
• Collaborate with UX/UI designers to translate Figma designs into pixel‑perfect, accessible components.
• Ensure code quality through unit and UI testing, code reviews and CI/CD pipelines.
• Optimize performance across devices, adhering to Swiss banking security standards.
• Consume RESTful and GraphQL APIs and contribute to a shared component library and design system.

Required profile

• At least 5 years of native mobile development experience (Android and/or iOS).
• Fluent German (B2 or higher) and business‑proficient English; French or Italian is a plus.
• Strong understanding of mobile architectures (clean architecture, MVVM, MVI) and security/performance considerations.

Required skills

• Kotlin, Swift, Jetpack Compose, SwiftUI.
• Coroutines/Flow, async‑await, Combine.
• RESTful and GraphQL API integration.
• Unit and UI testing, Gradle, Swift Package Manager.
• CI/CD pipelines, App Store and Play Store deployment.

What we offer

• 25 days of holidays plus 2 volunteer days and 3 extra wellness days.
• 40‑hour week with overtime compensation, flexible working hours and hybrid home‑office model.
• Pet‑friendly offices, state‑of‑the‑art workspaces and workation possibilities.
• Access to Dentsu Academy, language courses and referral bonus program.