Senior Frontend Engineer - Mobile Apps

ph3bJob Description /b /h3 pMerkle, 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 /p h3bWe Dream. We Do. We Deliver. /b /h3 h3bWho are we looking for? /b /h3 pWe are looking for a skilled and motivated bSenior Frontend Engineer - Mobile Apps /b 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. /p h3bKey Responsibilities /b /h3 ul liDesign, develop, and maintain frontend features for our iOS and Android mobile applications /li liImplement and extend multilingual (DE/FR/IT/EN) user interfaces using internationalisation (i18n) frameworks and localisation best practices /li liCollaborate with UX/UI designers to translate Figma designs into pixel‑perfect, accessible components /li liEnsure code quality through unit testing, integration testing, and code reviews /li liOptimise application performance across devices and screen sizes, with a focus on Swiss banking security standards /li liContribute to the shared component library and design system used across all Raiffeisen digital products /li liWork in an agile team using Scrum/Kanban, participating in sprint planning, retrospectives, and demos /li liCoordinate with backend teams to design and consume RESTful and GraphQL APIs /li liMonitor, debug, and resolve issues in production, ensuring high availability and user satisfaction /li liStay up to date with emerging frontend technologies and champion best practices within the team /li /ul h3bYour profile: /b /h3 h3bRequired Skills Experience: /b /h3 ul li3+ years of professional experience in frontend or mobile development /li liProficiency in React Native for cross‑platform iOS and Android development /li liStrong command of TypeScript and modern JavaScript (ES6+) /li liExperience with React.js or a comparable modern web framework (Vue, Angular) /li liSolid understanding of iOS and Android platform guidelines (HIG / Material Design) /li liPractical experience with i18n/l10n libraries (e.g. i18next, react‑intl, FormatJS) /li liFamiliarity with state management solutions (Redux, Zustand, MobX, or similar) /li liExperience with RESTful APIs and GraphQL /li liUnderstanding of CI/CD pipelines and version control (Git) /li liKnowledge of web accessibility standards (WCAG 2.1 AA) /li /ul h3bNice to Have: /b /h3 ul liExperience in regulated industries, particularly financial services or banking /li liFamiliarity with Swift/SwiftUI or Kotlin/Jetpack Compose for native development /li liKnowledge of micro‑frontend architectures /li liExperience with security‑conscious development (OWASP, certificate pinning, biometric auth) /li /ul h3bLanguages: /b /h3 ul liGerman: Fluent (B2 or above) — working language of the team /li liEnglish: Business proficient /li liFrench or Italian: Advantageous, given our multilingual product scope /li /ul h3bBenefits: /b /h3 ul li25 days of holidays /li li2 volunteer days for charitable activities /li liMental 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 /li li40‑hour week overtime compensation /li liFlexible working hours model (flextime) /li liIndependent home office management /li liState‑of‑the‑art, creative office space with ergonomically equipped workstations /li liPet friendly offices (Zurich and St. Gallen) /li liFull access to Dentsu Academy, on‑site learning sessions, online language courses /li liReferral bonus program /li liWorkation possibility /li liTeam events: company parties, monthly breakfasts, aperos /li /ul h3bLocation /b /h3 pZürich /p h3bBrand /b /h3 pMerkle /p h3bTime Type /b /h3 pFull time /p h3bContract Type /b /h3 pPermanent /p /p #J-18808-Ljbffr