Senior React Native Developer Needed for Mobile App Backend

Vertex Analytics

Contract · Remote · Flexible hours

About the role

Vertex Analytics is launching a critical integration project that ties together billing, CRM, and internal APIs. We need a seasoned React Native Developer to create a unified mobile experience that syncs data across these systems in real time.

Key responsibilities

• Design and implement React Native modules that consume RESTful and GraphQL endpoints from billing, CRM, and internal services.
• Ensure secure token handling and data consistency across platforms.
• Collaborate with backend engineers to define API contracts and error‑handling strategies.
• Write automated tests and maintain CI pipelines for mobile builds.
• Optimize performance for both Android and iOS devices.

Must-have skills

• 5+ years developing production‑grade React Native applications.
• Deep knowledge of JavaScript ES6+ and mobile lifecycle management.
• Hands‑on experience integrating with third‑party billing and CRM APIs.
• Proven ability to deliver clean, maintainable code for Android and iOS.

Nice to have

• Familiarity with TypeScript in a React Native context.
• Experience with Redux or MobX state management.
• Understanding of CI/CD tools like Fastlane or Bitrise.