Senior React Native Engineer at DeARX Services (Pty) Ltd

• We're looking for two Senior React Native Engineers with proven expertise in scaling large, secure, cross-platform mobile apps. If you're passionate about security-first development, thrive in complex financial environments, and love mentoring teams while solving tough architectural challenges this opportunity is for you.

Role responsibilities:

• Lead the design & development of scalable, maintainable mobile applications using React Native.
• Architect cross-platform solutions while knowing when to go native for performance & security.
• Own CI/CD pipelines for mobile builds, testing & deployment.
• Implement best-in-class mobile security: secure storage, token authentication, API integration, obfuscation.
• Collaborate with backend engineers for seamless API integrations.
• Conduct code reviews, mentor juniors, and enforce high engineering standards.
• Monitor app performance with Dynatrace, Crashlytics, ELK, and ensure a smooth user experience.
• Deep understanding of mobile app security best practices.
• Experience with secure storage mechanisms, HTTPS, token-based authentication, code obfuscation.
• Familiarity with iOS/Android platform security updates & third-party library risks.
• Skilled at custom native modules (iOS: Swift/Obj-C | Android: Kotlin/Java).

Role requirements:

• 5+ years hands-on React Native experience building enterprise-grade mobile apps.
• Prior experience in banking or financial services (regulatory compliance, secure onboarding flows, demo mode).
• Core: React Native, TypeScript, Expo, Redux/Zustand, Axios, React Navigation, MMKV.
• DevOps: Azure DevOps, GitHub Actions, Firebase App Distribution.
• Testing: Jest, Detox, React Native Debugger, Reactotron.
• Design: Figma (Dev Mode), Storybook.
• Monitoring: Dynatrace, ELK.
• Excellent communication across cross-functional teams.
• Ability to clearly explain technical trade-offs to business stakeholders.