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React Native Developer

Job in Johannesburg, 2000, South Africa
Listing for: Hileya - Management Consulting
Full Time position
Listed on 2025-11-24
Job specializations:
  • Software Development
    App Developer - Mobile/Web, Full Stack Developer, React.js, Software Engineer
Job Description & How to Apply Below

Overview

More About the Project:
We are seeking a skilled and passionate React Native Developer to join our dynamic team in the Fintech domain. The ideal candidate will have hands-on experience in building scalable mobile applications using React Native and a strong understanding of mobile development best practices, especially in secure and high-performance financial applications.

Responsibilities
  • Develop and maintain cross-platform mobile applications using React Native.
  • Collaborate with product managers, designers, and backend engineers to deliver high-quality features.
  • Optimize applications for maximum performance, scalability, and security.
  • Integrate third-party APIs and SDKs, especially for payments, authentication, and analytics.
  • Write clean, maintainable, and well-documented code.
  • Participate in code reviews and contribute to team knowledge sharing.
  • Ensure compliance with security and data protection standards relevant to Fintech.
  • Troubleshoot and debug issues, and continuously improve application performance.
Background and experience
  • 3–4 years of experience in mobile development with at least 2 years in React Native.
  • Strong proficiency in JavaScript/Type Script. Experience with Redux, Context API, or other state management libraries.
  • Familiarity with RESTful APIs and mobile architecture patterns.
  • Knowledge of native build tools like Xcode, Android Studio, Gradle, etc.
  • Experience with CI/CD tools and mobile app deployment (App Store / Play Store).
  • Understanding of secure coding practices and data encryption.
  • Exposure to Fintech products or domains like digital payments, lending, or banking is a plus.
Good to have
  • Experience with native modules (iOS/Android).
  • Familiarity with Firebase, Graph

    QL, or Web-Sockets.
  • Knowledge of Agile methodologies and tools like Jira, Git, etc.
  • Prior experience in performance tuning and memory optimization.
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