Washmen

Senior React Native Engineer

Washmen

Posted 2 days ago

Employment Type

Full Time

Location

Dubai

Requirements

7+ years, React Native, iOS Swift, Android Kotlin, Native Modules, TypeScript, React Query, Performance Debugging, App Store Releases, GraphQL REST, Unit Testing, E2E Testing, Figma Implementation, Security Best-practices

Required Skills

React NativeSwiftObjective-CKotlinJavaTypeScriptreact-queryJSITurbo ModulesNative ModulesXcode InstrumentsAndroid ProfilerPerformance OptimizationMobile ArchitectureGraphQLRESTJestDetoxAppiumFigmaApp StorePlay StoreOWASP

Job Description

Responsibilities

  • Lead design and development of high-performance React Native apps for iOS and Android, operating from Dubai, UAE (hybrid).
  • Build and maintain custom native modules and React Native bridges in Swift/Objective-C and Kotlin/Java when JavaScript is insufficient.
  • Debug and resolve native-level performance issues using Xcode Instruments and Android Studio Profiler (crashes, memory leaks, CPU, and threading issues).
  • Integrate third-party native SDKs and manage OS updates across platforms.
  • Implement and manage API integration (REST/GraphQL) with robust caching and error handling strategies.
  • Translate Figma designs into pixel-perfect, responsive UIs across device sizes and platforms.
  • Write testable code and maintain unit, integration, and E2E test coverage (Jest, Detox/Appium).
  • Mentor teammates, conduct code reviews, and drive mobile architecture and performance best practices.

Requirements

  • 7+ years experience
  • React Native
  • iOS Swift
  • Android Kotlin
  • Native Modules
  • TypeScript
  • React Query
  • Performance Debugging
  • App Store Releases
  • GraphQL REST
  • Unit Testing
  • E2E Testing
  • Figma Implementation
  • Security Best-practices

Preferred Qualifications

  • Proven track record shipping production apps to App Store and Play Store at scale.
  • Deep knowledge of React Native New Architecture (JSI, Turbo Modules) and native bridge design.
  • Experience resolving memory and concurrency issues with native profilers.
  • Prior ownership of mobile architecture and performance optimization initiatives.
  • Familiarity with secure storage patterns and OWASP mobile security guidance.

Benefits

  • Competitive compensation package (details discussed during interview).
  • Hybrid work model operating from Dubai with flexible working arrangements.
  • Professional growth, mentorship, and ownership of critical mobile systems.
  • Opportunity to work on a high-volume multi-service consumer platform with complex orchestration and scale challenges.

About the Company

Washmen is a Dubai-based, customer-focused multi-service e-commerce platform delivering high-volume on-demand services across the UAE. The mobile team builds and operates mission-critical mobile applications that process thousands of daily orders. We prioritize reliability, performance, and great user experience. We use modern mobile architectures and test-driven development to scale our platform while supporting continuous delivery and rapid iteration.

How to Apply