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Mobile Developer (React Native)

Poland, Cracow 90.00 - 130.00 PLN / Hour · Job Posted January 29, 2026
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Job Description

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. 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.

Job Responsibility

  • 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 team

Requirements

  • 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

Nice to have

  • Experience 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

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