React Native Developer - Secure Tech

React Native Developer – Secure Tech:

Details:

• Type: Contract.
• Hybrid: London.
• Market rate: Daily (Outside IR35)
• Start date: ASAP

Company and role:

Our client is seeking a React Native Developer to help shape the future of secure communication. You’ll be joining a lean, highly technical team focused on an email client building the next-gen in the "Secure Tech" focused industry — with real impact and purpose.

Key responsibilities: React Native Developer (Expo) – Secure Tech

• Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift.
• Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads.
• Implement responsive UIs from Figma designs.
• Contribute to architecture, automated testing, and CI/CD pipelines.

What we're looking for: React Native Developer – Secure Tech

• Ideally 4+ years’ experience with React Native, (Expo SDK is nice to have).
• Strong knowledge of native module development in Kotlin/Swift (flexible in experience).
• API Experience (Gmail API nice to have).
• Hands-on experience with secure systems, testing frameworks, and Git workflows.
• Excellent communication and problem-solving skills.
• Ideal candidates will be degree educated and have a Computer Science degree (or similar)

Desirable skills for React Native Developer:

• Exposure to cryptographic principles, MIME standards, and OAuth2.
• Email client experience.
• End to End encryption experience.
• Typescript, minimal C++, Go.

If you’re ready to build meaningful tech with a team that values innovation and privacy, apply today.