Senior iOS/Android Developer with German

Design, develop, and maintain frontend features for our iOS and Android mobile applications Implement and extend multilingual (DE/FR/IT/EN) user interfaces using internationalisation (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 testing, integration testing, and code reviews Optimise application performance across devices and screen sizes, with a focus on Swiss banking security standards Contribute to the shared component library and design system used across all Raiffeisen digital products Work in an agile team using Scrum/Kanban, participating in sprint planning, retrospectives, and demos Coordinate with backend teams to design and consume RESTful and GraphQL APIs Monitor, debug, and resolve issues in production, ensuring high availability and user satisfaction Stay up to date with emerging frontend technologies and champion best practices within the team

Merkle, a dentsu company, powers the experience economy. For more than 35 years, the company has put people at the heart of its approach to digital business transformation. As the only integrated experience consultancy in the world with a heritage in data science and business performance, Merkle delivers holistic, end-to-end experiences that drive growth, engagement, and loyalty. Merkle's expertise has earned recognition as a "Leader" by top industry analyst firms, in categories such as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management. With more than 16,000 employees, Merkle operates in 30+ countries throughout the Americas, EMEA, and APAC.

• Several years of experience (≥5 years) in native mobile development (Android and/or iOS)

• Excellent knowledge of Kotlin (Android) and/or Swift (iOS)

• Solid experience with Jetpack Compose and/or SwiftUI

• Experience with modern concurrency concepts (coroutines/flow, async/await, combine)

• Sound knowledge of mobile architectures (clean architecture, MVVM, MVI)

• Experience in connecting backend services and API integration

• Knowledge of testing (unit and UI tests) and quality assurance

• Experience with build tools and dependency management (Gradle, Swift Package Manager)

• Understanding of security and performance aspects in mobile apps

• Experience with CI/CD pipelines and app deployment (App Store / Play Store)

• German: Fluent (B2 or above) — working language of the team

• English: Business proficient

• French or Italian: Advantageous, given our multilingual product scope