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Senior Mobile Developer (IoT & React Native Specialist)

2 months, 2 weeks ago
United Arab Emirates
Full-time
Senior
Mobile Engineer
Mobile Development
Android GitHub Actions GraphQL gRPC iOS Java JavaScript Kotlin MQTT Objective-C React Native REST API SQLite Swift TypeScript WebSockets
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Flatgigs

Flatgigs

FlatGigs tailors recruitment strategies for flat-structured companies, aligning teams with skills and culture. Utilizing tech tools for precise candidate organization.

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Description

  • Architect, develop, and maintain React Native applications for iOS and Android from concept through App Store and Play Store deployment.
  • Design and optimize communication between mobile devices and IoT hardware for provisioning, pairing, and real-time telemetry.
  • Build custom native modules in Java/Kotlin and Swift/Objective-C when low-level hardware access is required.
  • Implement offline-first data handling and state management to preserve data integrity when devices lose cloud connectivity.
  • Optimize app performance, battery usage, and memory consumption during background scanning and data streaming.
  • Implement end-to-end encryption for device-to-mobile and mobile-to-cloud communication.
  • Integrate mobile applications with RESTful APIs, GraphQL, MQTT, WebSockets, and gRPC services.
  • Own mobile CI/CD pipelines and release automation using tools such as Fastlane, Bitrise, or GitHub Actions.

Requirements

  • 5+ years of professional mobile development experience, including 2+ years on IoT-integrated products.
  • Strong proficiency in TypeScript/JavaScript and the ability to write and debug Swift/Objective-C and Java/Kotlin.
  • Mastery of React Native and its ecosystem, including Hooks, Context API, and Fabric Architecture.
  • Experience with state management tools such as Redux Toolkit, Zustand, or MobX.
  • Deep experience with BLE, including react-native-ble-plx or react-native-ble-manager.
  • Experience with MQTT, WebSockets, and gRPC for real-time bi-directional communication.
  • Proven ability to implement Wi-Fi provisioning flows such as SoftAP and SmartConfig, as well as NFC pairing.
  • Expert-level knowledge of RESTful APIs and GraphQL.
  • Experience with local persistence tools such as WatermelonDB, SQLite, or Realm.
  • Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related field.
  • Track record of shipping 2-3 production-grade IoT apps currently available in app stores.
  • Strong understanding of concurrency, multi-threading, and hardware latency issues.
  • Preferred: Experience with AWS IoT Core or Google Cloud IoT.
  • Preferred: Familiarity with C/C++ or firmware development concepts.
  • Preferred: Knowledge of Matter or Thread protocols.

Interested in this position?

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