Tech stack:React Nativemobile ecosystemJavaScriptTypeScriptREST/GraphQLRequirements:4+ years of commercial experience in mobile development (Android and/or iOS).Expert-level knowledge of React Native.A 'mobile-first' mindset with experience in building complex mobile applications.Deep understanding of the mobile ecosystem (build processes, testing, and store publication).Strong proficiency in JavaScript and TypeScript.Experience integrating with APIs (REST / GraphQL).Strong problem-solving skills and the ability to work effectively both independently and in a team.About the Role:We are looking for an experienced Mobile Developer (Mid+ or Senior level) with at least 4 years of commercial experience in building mobile applications for Android and/or iOS.The ideal candidate is a mobile-first specialist—we are looking for someone whose expertise is rooted deeply in the mobile ecosystem rather than web development. You should have a strong command of React Native and a passion for creating high-performance, user-centric mobile experiences.The Project:You will join a project for a major international corporation in the energy and chemical sector. We are developing a modern mobile application for B2B and B2C users that manages fuel cards, loyalty programs, and exclusive discounts.The app has a real-world impact on the daily lives of drivers, supporting them on the road and through charging infrastructure. Key features include:User Management: Smooth B2B and B2C registration and login.Benefits: Fuel card management, loyalty rewards, and discount tracking.Maps & Geolocation: Searching for stations and points of interest.E-Mobility: Starting/stopping EV charging sessions directly from the app with real-time (live) status tracking.Advanced Features: CarPlay integration (MVP) and dynamic widgets for quick access to key information.Main responsibilities:Developing and maintaining mobile applications using React Native.Collaborating closely with the Product Team, Backend Developers, and UX/UI Designers.Ensuring high code quality, application performance, and stability.Actively participating in product roadmapping and technical decision-making.Conducting code reviews and sharing knowledge with the teamNice to HaveExperience with native development: Kotlin/Java (Android) or Swift (iOS).Hands-on experience with native deployment (Google Play Store / App Store, certificates, provisioning, signing).Knowledge of CI/CD pipelines tailored for mobile apps.Experience in mobile performance optimization.Background in designing mobile application architecture.