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Unicrew Logo Unicrew · IT - Software Development

Middle React Native Developer

· Job Posted February 21, 2026
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Job Description

Our client provides the critical infrastructure used by aviation and maritime organizations to track aircraft, drones, and vessels in real-time. As they expand their sophisticated geospatial platform to mobile, they face a high-stakes challenge: building a seamless, secure, and compliant financial gateway for professional users. We are seeking a Middle React Native Developer for a focused, short-term project (1 month) to architect and implement our mobile payments ecosystem. If you have a proven track record of integrating complex payment gateways into mission-critical applications, this is your opportunity to play a pivotal role in a world-class safety platform.

Job Responsibility

  • Implement in-app payment integration using Apple App Store and Google Play billing systems
  • Connect mobile payment flows with backend services and external systems (e.g., CRM / licensing)
  • Ensure secure handling of purchase validation and entitlement activation on mobile
  • Collaborate with the client’s backend and product teams to align payment logic and user flows
  • Contribute to overall mobile app stability and code quality within the React Native codebase

Requirements

  • Strong hands-on experience with React Native using Expo (including Dev Client / Continuous Native Generation)
  • Solid experience working with a shared TypeScript codebase across iOS and Android (web experience is a plus)
  • Experience integrating mobile apps with CRM or licensing backends (e.g., Salesforce)
  • Experience with Zustand (or similar lightweight state management) for centralized app logic
  • Experience integrating GraphQL APIs using Apollo Client
  • Proven experience implementing Apple App Store & Google Play in-app purchases / subscriptions, including purchase validation and entitlement handling
  • Understanding of mobile background services and push/foreground/background data handling
  • Experience working with Mapbox SDK on mobile (markers, layers, real-time updates, performance considerations)
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