Senior React Native Developer

Madfish; Remote; GBP 55,000 - 75,000; Full time

Job summary

A leading tech firm in the United Kingdom is looking for a Senior React Native Developer to design and develop advanced mobile applications focusing on geolocation, media handling, and offline performance. The ideal candidate will have over 5 years of experience in React Native, with proven skills in geolocation solutions and media management. This role involves collaborating with cross-functional teams and maintaining code quality across iOS and Android platforms. Competitive salary and benefits offered.

Qualifications

• 5+ years of professional experience with React Native.
• Proven experience in geolocation and geo-tracking solutions.
• Strong experience with media handling.

Responsibilities

• Design and develop high-quality mobile applications in React Native.
• Implement geolocation services and real-time geo-tracking.
• Collaborate closely with product, backend, and design teams.

Skills

React Native

Geolocation

Media handling

File caching

Mobile performance optimization

REST APIs

Debugging skills

Cross-functional collaboration

Job description

About the Role

As a Senior React Native Developer, you will own advanced mobile features around geolocation, media handling, and offline-first performance. You will deliver real-time tracking, mapping, photo/video capture, and seamless offline experiences, influencing both product decisions and technical direction.

Responsibilities

• Design and develop high-quality mobile applications in React Native
• Implement geolocation services and real-time geo-tracking with high accuracy and efficiency
• Work with maps APIs (Google Maps, Mapbox, etc.) to display routes, markers, and tracking data
• Develop and optimize photo/video capture flows (camera integration, file uploads, compression, background uploads)
• Implement offline-first features, including local caching of files and efficient sync mechanisms
• Implement push notifications and background services
• Collaborate closely with product, backend, and design teams to deliver seamless user experiences
• Maintain code quality, scalability, and performance across iOS and Android platforms
• Contribute to technical architecture discussions, suggesting best practices for scalability and performance

Requirements

• 5+ years of professional experience with React Native
• Proven experience in geolocation and geo-tracking solutions (background tracking, route recording, real-time updates)
• Strong experience with media handling (photo/video capture, compression, uploads, background tasks)
• Hands-on experience in file caching, offline storage (AsyncStorage, SQLite, or similar)
• Practical experience with maps integration (Google Maps SDK, Mapbox, or similar)
• Solid understanding of mobile performance optimization and memory management
• Familiarity with REST APIs, GraphQL, and WebSockets
• Strong debugging skills and experience shipping apps to App Store / Google Play
• Ability to take ownership of features end-to-end, from design to production
• Excellent communication skills and ability to collaborate in cross-functional teams
• English level: B2 or higher (both written and spoken)

Nice to Have

• Familiarity with CI/CD pipelines for mobile apps
• Experience building scalable, high-traffic mobile applications
• Past contributions to open-source React Native projects

Про компанію Prai

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