Senior Frontend Engineer - Mobile Apps

• 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, 2 volunteer days for charitable activities Mental Health: Benefit from 3 extra wellness days on top of your vacation days and a Mental Health First Aider and Employee Assistance program to support your well-being 40-hour week & overtime compensation Flexible working hours model (flextime) Independent home office management State-of-the-art, creative office space with ergonomically equipped workstations Pet friendly offices (Zurich and St. Gallen) Full access to Dentsu Academy, on-site learning sessions, online language courses Referral bonus program ️Workation possibility Team events: company parties, monthly breakfasts, aperos

We are looking for a skilled and motivated Senior Frontend Engineer - Mobile Apps to join our cross-functional digital product team. You will play a key role in building and maintaining our customer-facing applications - spanning iOS, Android. You will work closely with UX designers, backend engineers, and product owners to deliver seamless, high-quality experiences that meet the highest standards for accessibility, security, and performance., * 3+ years of professional experience in frontend or mobile development

• Proficiency in React Native for cross-platform iOS and Android development
• Strong command of TypeScript and modern JavaScript (ES6+)
• Experience with React.js or a comparable modern web framework (Vue, Angular)
• Solid understanding of iOS and Android platform guidelines (HIG / Material Design)
• Practical experience with i18n/l10n libraries (e.g. i18next, react-intl, FormatJS)
• Familiarity with state management solutions (Redux, Zustand, MobX, or similar)
• Experience with RESTful APIs and GraphQL
• Understanding of CI/CD pipelines and version control (Git)
• Knowledge of web accessibility standards (WCAG 2.1 AA)

Nice to Have:

• Experience in regulated industries, particularly financial services or banking
• Familiarity with Swift/SwiftUI or Kotlin/Jetpack Compose for native development
• Knowledge of micro-frontend architectures
• Experience with security-conscious development (OWASP, certificate pinning, biometric auth)

Languages:

• German: Fluent (B2 or above) - working language of the team
• English: Business proficient
• French or Italian: Advantageous, given our multilingual product scope

We Dream. We Do. We Deliver.

Als data-driven Full-Service-Agentur mit Fokus auf Customer Experience Transformation arbeiten wir mit den Top-500-Unternehmen aus der gesamten DACH-Region und Osteuropa zusammen. Unsere Wurzeln liegen in der Schweiz: Merkle DACH ist aus einer Partnerschaft der zwei führenden Digital-Agenturen Namics und Isobar entstanden. Wir sind Teil von Merkle, dem größten Unternehmen des dentsu-Netzwerks und vereinen mehr als 66.000 Digital-Fans in 146 Ländern unter einem Dach – und gemeinsam erwecken wir Marken zum Leben.

Wir sind mehr als 1.200 Digital-Expert*innen mit Know-how in Digital-Strategien, MarTech- Plattformen, Werbemittel, UX, CRM, Daten, Commerce, Mobile, Social Media, Intranet und CMS. Dabei arbeiten wir mit unseren Partnern Adobe, Microsoft, Oracle, Salesforce, Sitecore, SAP u. v. m.