Overview

Senior Mobile Developer (React Native) Jobs in Sandton at IQbusiness South Africa

We are seeking a highly skilled Senior Mobile Developer with strong React Native experience to join a fast-paced banking technology environment. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-performing mobile applications that support digital banking initiatives and enhance customer experience.

This role requires a strong engineering mindset, experience working within enterprise environments, and the ability to collaborate closely with product owners, architects, QA teams, and backend developers to deliver world-class mobile solutions.

Key Responsibilities

  • Design, develop, and maintain mobile applications using React Native for iOS and Android platforms.
  • Build reusable, scalable, and maintainable frontend components and mobile architectures.
  • Integrate mobile applications with RESTful APIs, backend services, and third-party platforms.
  • Ensure application performance, responsiveness, reliability, and security standards are maintained.
  • Participate in system design discussions and contribute to technical architecture decisions.
  • Implement secure coding practices aligned with banking and financial industry standards.
  • Collaborate with UX/UI designers to deliver intuitive and customer-centric mobile experiences.
  • Conduct code reviews, mentor junior developers, and promote engineering best practices.
  • Troubleshoot production issues and support continuous improvement initiatives.
  • Work within Agile/Scrum delivery teams and contribute to sprint planning and estimations.
  • Collaborate with DevOps teams on CI/CD pipelines, automated deployments, and release management.
  • Maintain high test coverage through unit testing, integration testing, and automation practices.


Required Skills & Experience

Technical skills

  • Strong experience developing mobile applications using React Native.
  • Solid experience with JavaScript and TypeScript.
  • Experience integrating REST APIs and working with asynchronous data handling.
  • Strong understanding of mobile application architecture and design patterns.
  • Experience with state management libraries such as Redux or Context API.
  • Knowledge of native mobile development concepts for Android and iOS.
  • Experience with mobile security best practices, authentication, and encryption.
  • Familiarity with CI/CD pipelines and DevOps practices.
  • Experience with Git version control and collaborative development workflows.
  • Strong debugging, performance optimization, and problem-solving skills.


Banking/Enterprise experience

  • Previous experience within banking, fintech, insurance, or highly regulated enterprise environments.
  • Understanding of secure transactional systems and customer-facing digital platforms.
  • Experience working on high-availability and scalable systems.


Advantageous skills

  • Experience with native Android (Kotlin/Java) or iOS (Swift) development.
  • Exposure to cloud platforms such as Azure or AWS.
  • Experience with automated testing frameworks such as Jest, Detox, or Cypress.
  • Knowledge of microservices and API-driven architectures.
  • Experience with mobile analytics and monitoring tools.
  • Exposure to biometric authentication and secure mobile payment integrations.


Qualifications

  • Bachelor’s Degree or Diploma in Computer Science, Information Technology, Software Engineering, or related field.
  • Relevant mobile development certifications are advantageous.

Title: Senior Mobile Developer (React Native)

Company: IQbusiness South Africa

Location: Sandton

 

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