Senior React Native Developer (Trading Mobile App)
Location:MUMBAI
Experience: 48 years
Role Type: Full-time Frontend Engineering
About the Role
We are seeking an experienced Senior React Native Developer to build high-quality, high-performance mobile applications for the trading and financial domain. The role involves working with real-time market data, advanced UI components, and low-latency communication using WebSocket streams.
Key Responsibilities
- Develop, enhance, and maintain React Native mobile applications for Android & iOS.
- Implement WebSocket-based real-time streaming for live market data, order books, and user portfolio updates.
- Build smooth, pixel-perfect UI components and interactions.
- Integrate with backend APIs and optimize data fetching, caching, and synchronization.
- Debug, profile, and improve performance (FPS, memory usage, rendering speed).
- Work closely with QA, backend, and product teams to deliver robust financial features.
- Maintain high code quality through testing, code reviews, and best practices.
- Handle secure authentication, session management, and encryption requirements for financial apps.
Required Skills & Experience
- 48 years of mobile development experience, with at least 3+ years in React Native.
- Solid knowledge of JavaScript/TypeScript, React Native architecture, and mobile best practices.
- Strong experience with WebSocket streaming and real-time UI updates.
- Hands-on experience with app distribution, OTA updates, and deployment to Play Store/App Store
- Familiarity with native modules (Swift/Objective-C/Java/Kotlin) is a plus.
- Strong understanding of performance profiling and optimization tools.
- Good understanding of security practices for fintech apps.
Preferred (Good to Have)
- Experience in finance, trading, stock market, investment apps.
- Experience integrating charting libraries (TradingView, Highcharts RN).
- Knowledge of push notifications, deep links, and background services.
- Experience with testing frameworks (Jest).
Soft Skills
- Ownership-driven and able to work independently.
- Problem-solving mindset with attention to detail.
- Strong communication and collaboration with cross-functional teams.
