Mobile Developer

• 25 June 2026 • 100% • Indefinite duration • Route de Saint-cergue 293, 1260 Nyon Le Groupe ESH Médias is a French-speaking Swiss group active in the media sector. Through its companies, it offers leading web and mobile digital media, as well as reference regional newspapers, including Le Nouvelliste, Arcinfo, La Côte. Mobile applications are at the heart of our subscriber engagement strategy: as the primary loyalty channel, they concentrate preferred usages for our subscribers with more than 100 new downloads per month, and are the central lever of our growth and our digital engagement. The coming years will see the acceleration of many strategic projects: • continuous evolution of our React Native mobile platform • improvement of user experience and performance • personalization of content and subscriber experience • development of new digital services • integration of features based on artificial intelligence • optimization of our readers' engagement • reinforcement of subscription and loyalty journeys To take part in this permanent evolution, to concretely shape the future of the media sector and to continue the loyalty of our male and female readers, we are looking for our future: Mobile Developer How you will contribute to our success: • By developing and maintaining the group's mobile applications in React Native, as well as guaranteeing a smooth and high-performance user experience on iOS and Android; • By collaborating closely with the internal Reader Market, Editorial, and Product Marketing teams, as well as external partners for backend development to implement new features; • By integrating the group's APIs & SDKs (CMS, CRM, CDP, Analytics, advertising) and ensuring the quality and security of data exchanges; • By ensuring corrective and evolutionary maintenance of existing applications; • By actively participating in release cycles (CI/CD) and implementing automated tests and code quality; • By performing active technological monitoring of the React Native ecosystem as well as new models and mobile trends in order to propose continuous improvements. This position is for you if: • You hold a degree in computer science, software engineering, or an equivalent qualification, and can demonstrate successful experience in mobile application development; • You master React Native or other mobile development frameworks; • You are comfortable with AI-assisted development practices (GitHub Copilot, Claude Code, -) and emerging approaches such as Vibe Coding and Spec-Driven Development (SDD); • You have good knowledge of the specificities of the iOS and Android platforms, as well as the publication processes on the App Store and the Google Play Store; • You master CI/CD practices (GitHub, -) and mobile monitoring tools (Firebase, Crashlytics, -); • Experience in the media sector, content applications (news, streaming) or mobile paywall systems is an asset; • You perfectly master French and have good knowledge of technical English; • You are organized, reliable and autonomous; you know how to demonstrate rigor in code management and possess a good team spirit. Ready to start? We are waiting for you as soon as possible Workplace: Join us in Sion, Nyon or Neuchâtel Working within the ESH Médias group: • 40h weekly work; • Flexibility in working hours and 30% teleworking; • 5 weeks of vacation, 6 weeks from age 50; • Buyback of 5 days of vacation under preferential conditions; • Support for training and internal training program; • Advantageous distribution of social security for employees; • Extended parental leave; • Free digital subscriptions to our titles. And what if it was you? Send us your application (CV, diplomas and work certificates) by email to the following address: Write an email. Additional information can also be obtained from Jessica Voide, Human Resources Director at 027 329 75 21 *Because every application counts, we are committed to responding to you.*