Senior React Native Developer (Mobile App)

Senior React Native Developer - Mobile Apps & Web

Dublin (Hybrid) or Remote within Ireland
12 Month Contract with Potential Extension | Immediate Start
Payrate: £495/day PAYE - £657/day Umbrella

We're hiring a Senior React Native Developer to join a fast-paced, high-impact mobile development project focused on delivering robust, secure, and user-friendly mobile applications and web experiences. You'll be working in a team responsible for managing a national-level mobile app, and you'll play a key role in delivering cutting-edge features with performance and security at the core.

If you're passionate about mobile development and have a strong foundation in React Native, modern JavaScript/TypeScript, and native debugging, we'd love to hear from you.

Key Responsibilities

• Develop and maintain mobile apps and responsive web solutions using React Native and TypeScript
• Tune app performance and debug across iOS (Xcode) and Android (Gradle) platforms
• Work with D3.js to create custom SVG visualizations
• Embed local and remote web content in React Native applications
• Patch JavaScript and native code to address version upgrade issues
• Build components in isolation using Storybook
• Implement accessible, responsive Flexbox layouts and pass accessibility audits
• Integrate Front End with authentication providers (eg, Azure B2C/OAuth)
• Collaborate closely with designers to implement pixel-perfect UIs from Figma, using design tokens and shared component libraries
• Conduct unit testing and use Git, GitHub, and Azure DevOps for source control and CI/CD processes

Deep Technical Knowledge

• Token storage, biometric encryption, root detection
• Web security models specific to mobile apps
• Accessibility testing with VoiceOver, TalkBack, and Accessibility Inspector

Nice to Have

• C#/.NET API development experience
• Debugging Back End applications via Azure App Insights
• Experience with JMeter or similar tools for performance testing
• Writing and maintaining Azure DevOps pipelines

Who We're Looking For

• 5+ years of experience in mobile/web development using React Native
• Ability to lead junior developers or ready to grow into a leadership role
• Strong problem-solving mindset with an eye for performance and security
• Based in or near Dublin (preferred for hybrid working 2-3 days/week)
• Open to candidates fully remote within Ireland

This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your CV

Randstad Technologies is acting as an Employment Business in relation to this vacancy.