Senior Frontend Engineer - Mobile Apps

Senior Frontend Engineer – Mobile Apps

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 for iOS and Android, working 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.

• 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 Graph
  
  QL 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

• 3+ years of professional experience in frontend or mobile development
• Proficiency in React Native for cross‑platform iOS and Android development
• Strong command of Type Script 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, Format
  
  JS)
• 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)

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

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

• 25 days of holidays
• 2 volunteer days for charitable activities
• 3 extra wellness days on top of your vacation days and a Mental Health First Aider and Employee Assistance program
• 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

Zürich

Permanent

Full time

Merkle