Senior Frontend Engineer - Mobile Apps

Location: Zürich

Senior Frontend Engineer - Mobile Apps page is loaded## Senior Frontend Engineer - Mobile Apps locations:
Zürich:
St Gallentime type:
Full time posted on:
Posted Todayjob requisition :
R1119945
*
* Job Description:

**** We Dream. We Do. We Deliver.
** 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. For more information, visit  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.
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* Key Responsibilities:

*** 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
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* Your profile:

**** Required

Skills & Experience:

*** 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)
** Nice to Have:
*** 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)
*
* Languages:

*** German:
Fluent (B2 or above) — working language of the team
* English:
Business proficient
* French or Italian:
Advantageous, given our multilingual product scope
** Global Reach with Local Expertise:
** Join a network that spans 145 countries, with over 70,000 talented employees. Collaborate with bright minds worldwide and gain insights from diverse industries and markets.  
** Innovation at Our Core:
** For over 120 years, we have been pushing boundaries to connect brands with their audiences through cutting-edge technology, creativity, and…