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Urgent! Senior React Native Engineer Job Opening In Sandton – Now Hiring DeARX

Senior React Native Engineer



Job description

Overview

Senior React Native Engineer at DeARX

Sandton / Hybrid | 12-Month Contract | 2 Positions Available

Ready to build the future of mobile banking?

We are 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.

Apply today and help shape the next generation of secure mobile banking.

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Required Skill Profession

It & Technology



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