Tietoevry - Mobile Application Developer - React Native

We are looking for a versatile and creative Mobile App Developer to join our engineering team.

In this role, you will be responsible for the end-to-end development of high-performance mobile applications.

You will translate complex business requirements into elegant, functional code, ensuring that our users have a seamless experience across both iOS and Android platforms.

The ideal candidate has a deep understanding of mobile ecosystems, from UI/UX principles to backend integration and store deployment.

Whether you specialize in Native (Swift/Kotlin) or Cross-Platform (React Native/Flutter), your focus will be on building scalable, secure, and user-centric mobile solutions.

Key Responsibilities :

- Build, test, and deploy new features and components for our mobile applications.

- Work closely with designers to implement intuitive, responsive, and "pixel-perfect" interfaces that follow Material Design and Human Interface Guidelines.

- Optimize application performance for maximum speed, minimal battery consumption, and smooth animations (60fps).

- Connect mobile frontends with backend services via RESTful APIs or GraphQL.

- Implement local data storage and synchronization using CoreData, SQLite, or Realm.

- Ensure robust data protection and implement secure authentication flows (OAuth2, Biometrics, JWT).

- Write unit and integration tests to ensure code reliability and prevent regressions.

- Monitor crash reports (using Firebase Crashlytics or Sentry) and resolve technical debt or production issues promptly.

- Manage the submission process for the Apple App Store and Google Play Store, including metadata and asset management.

Category :

- Must-Have Skills Languages Swift (iOS), Kotlin/Java (Android), or Dart/JavaScript (Cross-platform).

Frameworks :

- Experience in at least one: Flutter, React Native, SwiftUI, or Jetpack Compose.

- Backend Integration Proficient in consuming REST/JSON APIs and handling asynchronous programming