React Native Mobile Developer – iOS, Android

CodeNinja Inc.

. Design, develop and maintain cross-platform mobile apps using React Native for iOS and Android.

Posted 11/3/2026contractRemote • Saudi ArabiaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in mobile app development using React Native, with a strong focus on building scalable architectures and integrating backend services. Proficient in optimizing app performance and ensuring secure authentication and data management.

Highest-signal resume keywords

React Native DevelopmentJavaScript (ES6+)REST API IntegrationMobile App SecurityAgile/Scrum Methodologies

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

React ConceptsTypeScriptState Management (Redux Toolkit, Zustand, Context API)Mobile Performance OptimizationAutomated Testing Frameworks (Jest, Detox, Appium)Native iOS and Android DevelopmentFirebase ServicesPush NotificationsSecure StorageMobile Build Tools

Soft Skills

Problem-SolvingCollaborationCommunication

Tools & Technologies

GitCI/CD PipelinesJiraExpoApple App StoreGoogle Play Store

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceInformation Technology

Industry Keywords

BankingFintechRegulated Industries

Tech Stack

Tools & technologies

AndroidFirebaseiOSJavaJavaScriptJestKotlinObjective-CReactReact NativeReduxSwiftTypeScript

About the role

Key responsibilities & impact

Design, develop and maintain cross-platform mobile apps using React Native for iOS and Android.
Build reusable components and scalable mobile app architectures.
Turn UI/UX designs and wireframes into responsive, polished mobile interfaces.
Integrate RESTful APIs, backend services and third-party SDKs.
Implement secure authentication, authorization, session management and data storage.
Improve app performance, responsiveness and memory usage.
Troubleshoot and fix defects across iOS and Android.
Implement push notifications, deep linking and device-specific features.
Work with QA on unit testing, integration testing and fixing defects found in UAT.
Manage app builds, signing and releases to the Apple App Store and Google Play Store.
Take part in code reviews, technical discussions, sprint planning and Agile ceremonies.
Maintain technical documentation and follow coding standards and security best practices.
Deliver reliable, high-performance mobile apps on iOS and Android.
Deliver sprint commitments on time, minimize defects and resolve production issues quickly.
Ensure smooth app releases and seamless integration with backend services.

Requirements

What you’ll need

6–9 years of mobile app development experience, including at least 3 years of hands-on React Native.
Strong JavaScript (ES6+) and TypeScript.
A solid grasp of React concepts: hooks, state management and component lifecycle.
Experience with state management libraries such as Redux Toolkit, Zustand or Context API.
Strong experience integrating REST APIs, JSON and asynchronous operations.
Familiarity with native iOS and Android development concepts.
Experience with native modules and third-party SDK integration.
Knowledge of mobile app security, secure storage and authentication.
Experience with Git, CI/CD pipelines and mobile build tools.
An understanding of mobile performance optimization and debugging.
A track record of publishing apps to the Apple App Store and Google Play Store.
A Bachelor’s degree in Computer Science, Information Technology or a related field, or equivalent practical experience.
Experience with both React Native CLI and Expo.
Familiarity with Swift, Objective-C, Kotlin or Java.
Experience with Firebase services, analytics and push notifications.
Knowledge of biometric authentication, device security and certificate pinning.
Experience in banking, fintech or other regulated industries.
Experience with automated testing frameworks such as Jest, Detox or Appium.
Experience with Agile/Scrum delivery and Jira.

Benefits

Comp & perks

Work on challenging, high-impact products alongside talented engineers.
Grow your career through continuous learning and exposure to modern technologies.
A collaborative, innovation-driven culture that values ownership and excellence.
Competitive compensation and benefits.