
Senior React Native Developer
Job Description
Posted on: October 8, 2025
Job Title: React Native Developer
Location: Remote (Poland)
Job Type: Long-Term Contract
About Client:
A FTSE 250 global fintech company headquartered in London with a presence in 18 countries and five continents. Their award-winning products and platforms empower go-getters around the world, giving them access to over 19,000 financial markets.
What You Will Need for the Role:
âą React Native (Core Skill): 5â8 years of strong hands-on experience developing and maintaining mobile applications using React Native for both iOS and Android.
âą JavaScript / TypeScript: Deep understanding of ES6+ and TypeScript for building scalable and maintainable mobile applications.
âą Mobile Architecture: Strong grasp of component-based architecture, navigation flows, offline storage, and state management (Redux / Recoil / Context API).
âą API Integration: Skilled in integrating RESTful and GraphQL APIs, handling authentication flows, and optimising performance for mobile environments.
âą UI/UX Implementation: Proven ability to translate Figma or design mockups into pixel-perfect, high-performing mobile interfaces.
âą Performance Optimisation: Experience profiling apps, improving rendering performance, and reducing load times across devices.
âą Testing & Debugging: Hands-on experience with Jest, React Native Testing Library, or Detox for robust app validation.
âą Deployment: Proficient in publishing, maintaining, and managing releases on both the App Store and Google Play.
âą Version Control: Solid understanding of Git-based workflows (GitLab, GitHub) and CI/CD automation for mobile pipelines.
âą Monitoring & Analytics: Familiarity with tools like Firebase, Sentry, or AppCenter for crash analytics and performance tracking.
Soft Skills & Attributes:
âą Strong ownership mindset and ability to work independently in a distributed team environment.
âą Excellent communication skills and attention to detail.
âą Passionate about clean, maintainable code and best practices in mobile development.
âą Collaborative approach with designers, backend developers, and product teams.
Good to Have:
âą Experience with React.js for cross-platform web development.
âą Exposure to fintech, payments, or trading applications.
âą Familiarity with mobile security, performance optimisation, and accessibility standards.
Apply now
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