React Native Developer

React Native Developer
Location: Knutsford, 2 days per week onsite
Duration: Until 31/12/2025
Rate: £390/day Inside IR35

We're looking for a skilled React Native Developer to join our team on a contract basis, driving the development of high-performing, secure mobile applications for both iOS and Android. You'll play a key role in building responsive, accessible, and secure apps while collaborating with designers and Back End teams.

What you'll do:

• Lead mobile app development with React Native, Expo, and TypeScript
• Integrate custom data visualisations using D3 and SVGs
• Build responsive UIs with Storybook and Flexbox, collaborating closely with designers in Figma
• Debug native builds (Xcode, Gradle) and patch JS/native code where needed
• Implement secure features (biometric encryption, root detection, secure content embedding)
• Work with Azure B2C or similar OAuth identity providers for secure integrations
• Write and maintain unit tests, integrating with GitHub/Azure DevOps

What we're looking for:

• Strong experience with React Native & Expo
• Proficiency in TypeScript and mobile app performance optimization
• Hands-on experience with native build debugging (Xcode/Gradle)
• Knowledge of security and accessibility best practices
• Familiarity with cloud identity providers (Azure B2C, OAuth)