Senior React Native Engineer
Washmen
Employer Active
Posted 15 hrs ago
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Experience
7 - 12 Years
Job Location
Education
Bachelor of Science(Computers)
Nationality
Any Nationality
Gender
Not Mentioned
Vacancy
1 Vacancy
Job Description
Roles & Responsibilities
Design and build high-performance mobile applications using React Native for iOS and Android.
Build and maintain custom native modules in Swift/Objective-C (iOS) and Kotlin/Java (Android) when JavaScript isn t enough.
Debug and optimize native-level performance issues using Xcode Instruments and Android Studio Profiler. Handle crashes, memory leaks, and platform-specific problems.
Integrate third-party native SDKs and handle OS updates across both platforms.
Manage API integration (REST/GraphQL) and state management using React Query, with focus on caching and error handling.
Translate designs into pixel-perfect UIs that work seamlessly on both platforms.
Write testable code with unit, integration, and E2E tests (Jest, Appium).
Mentor teammates through code reviews and pair programming.
Required Skills
Native Expertise (Critical):
- Solid iOS (Swift/Objective-C) and Android (Kotlin/Java) fundamentals
- 7+ Experience building custom native modules and React Native bridges
- Deep understanding of React Native architecture (New Architecture, JSI, Turbo Modules)
- Strong debugging skills with native profilers and crash analysis tools
React Native:
- Expert-level React Native development
- TypeScript, React Query, and modern state management
- Performance optimization and memory management
- Mobile-specific constraints (battery, network, memory)
Other:
- API integration (REST/GraphQL)
- Testing frameworks (Jest, React Testing Library, Detox)
- Design implementation from Figma
- App Store/Play Store release process
- Security best practices (OWASP, secure storage)
Desired Candidate Profile
Engineers who ve shipped apps with published App Store/Play Store experience, can immediately contribute to discussions around performance optimization, native module development, and mobile-specific constraints.
If you ve led mobile architecture decisions in production environments and have battle scars from React Native at scale let s talk.
Company Industry
Department / Functional Area
Keywords
- Senior React Native Engineer
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Washmen
At Washmen, our customer app isn t just another e-commerce interface it s a high-volume, multi-service platform processing thousands of daily orders with complex orchestration requirements.