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Senior Mobile Developer (IoT & React Native Specialist)

Flatgigs
United Arab Emirates, UAE
Senior
6 months ago
iOS DevelopmentAndroid DevelopmentSwiftKotlinReact NativeFlutter
Free

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Overview

We are seeking a high-calibre Senior Mobile Developer to lead the development of our next-generation IoT ecosystem.

In this role, you won't just be building apps; you will be architecting the bridge between physical hardware and digital user experiences.

You will be responsible for designing and developing high-performance, cross-platform applications from the ground up, ensuring seamless low-latency communication with IoT devices via BLE, Wi-Fi, and MQTT.

The ideal candidate thrives on solving complex hardware-software synchronization challenges and is passionate about building "offline-first" resilient architectures.

Key Responsibilities

  • End-to-End Development: Architect, develop, and maintain robust React Native applications for iOS and Android from initial concept to App Store/Play Store deployment.
  • Hardware Integration: Implement and optimize communication protocols between mobile devices and IoT hardware (provisioning, pairing, and real-time telemetry).
  • Native Bridge Engineering: Write custom Native Modules (Java/Kotlin/Swift/Objective-C) when necessary to access low-level hardware features that standard React Native libraries cannot reach.
  • State & Data Management: Build sophisticated "offline-first" capabilities, ensuring data integrity when devices are disconnected from the cloud.
  • Performance Optimization: Minimize battery consumption and memory usage, specifically during continuous background hardware scanning and data streaming.
  • Security Orchestration: Implement end-to-end encryption for device-to-mobile and mobile-to-cloud communication.

Core Mobile Expertise

  • Frameworks: Mastery of React Native and its ecosystem (Hooks, Context API, Fabric Architecture).
  • Languages: Strong proficiency in TypeScript/JavaScript, with the ability to write/debug Swift/Objective-C and Java/Kotlin.
  • State Management: Expertise in Redux Toolkit, Zustand, or MobX for handling complex asynchronous hardware states.

Iot & Connectivity Stack

  • Protocols: Deep experience with Bluetooth Low Energy (BLE) (specifically the react-native-ble-plx or react-native-ble-manager libraries).
  • Networking: Experience with MQTT, WebSockets, and gRPC for real-time bi-directional communication.
  • Device Onboarding: Proven ability to implement Wi-Fi Provisioning (SoftAP, SmartConfig) and NFC pairing flows.

Backend & Infrastructure

  • API Integration: Expert-level knowledge of RESTful APIs and GraphQL.
  • Storage: Experience with local persistence using WatermelonDB, SQLite, or Realm.
  • DevOps: Full ownership of the CI/CD pipeline for mobile (Fastlane, Bitrise, or GitHub Actions).

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