NN Group

React Native Developer

NN Group
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2 hours ago
Brussels, BelgiumSenior

Responsibilities

  • Design, develop, test, and maintain cross-platform mobile applications using React Native and TypeScript.
  • Provide technical leadership on mobile architecture, application structure, reusable components, integration patterns, and engineering standards.
  • Assess requirements, identify technical risks, and propose solutions balancing user value, delivery speed, security, and maintainability.
  • Collaborate with backend developers on REST API contracts, authentication, error handling, performance, and end-to-end troubleshooting.
  • Work with Web Components to support consistent and reusable user-interface patterns across mobile and web channels.
  • Build and improve GitLab CI/CD pipelines for automated build, testing, quality validation, and deployment.
  • Support iOS and Android release management, including development and build activities in a macOS environment.
  • Advise colleagues and the Domain IT Lead while collaborating with stakeholders, analysts, designers, backend developers, testers, and platform engineers.

Requirements

  • At least 5 years of professional experience in mobile application development, including substantial hands-on React Native experience.
  • Strong knowledge of React Native, JavaScript, and TypeScript, including component design, state management, navigation, performance optimization, and native integrations.
  • Practical experience with iOS and Android development lifecycles and confidence working in a macOS development environment.
  • Experience with Web Components and modern frontend architecture.
  • Strong experience integrating REST APIs and sufficient backend understanding to discuss API, security, data, and performance challenges.
  • Experience with automated testing, code quality practices, debugging, monitoring, and secure software development.
  • A bachelor’s degree in IT, computer science, or a related field, or equivalent professional experience.
  • Good spoken and written English, plus good French or Dutch.
  • Preferred: experience with Swift, Objective-C, Kotlin, or Java; Apple App Store and Google Play publishing; accessibility, mobile analytics, secure storage, push notifications, deep linking, offline-first design; and Microsoft Azure.

Benefits

  • Group and hospitalization insurance.
  • Meal and eco-vouchers.
  • 20 holiday days and 12 days of recovery time.
  • Training courses, onboarding workshops, coaching, and well-being services.
  • Opportunities for internal mobility.
  • Flexible home working policy and access to a new Brussels workplace that is easily accessible by public transport.

Tech Stack

AzureGitLab CI/CDiOSJavaJavaScriptKotlinmacOSObjective-CReact NativeSwiftTypeScript

Categories

Mobile
NN Group

About NN Group

10,000+ employees
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