We are seeking a highly skilled Senior Mobile Developer to join our Casablanca team at z.systems. In this role, you will lead the design, development, and maintenance of cutting‑edge mobile applications using React Native, ensuring seamless performance across Android and iOS platforms. You will collaborate closely with product managers, designers, and backend engineers to deliver high‑quality features, optimize app performance, and implement continuous integration and delivery pipelines. Your expertise in Expo, EAS Build, native modules, and modern mobile development practices will be essential to drive innovation and maintain a robust, scalable codebase.