Senior Mobile Developer (IoT & React Native Specialist)

Flatgigs

United Arab Emirates Remote permanent

Posted: December 22, 2025

Quick Summary

We are seeking a Senior Mobile Developer to lead the development of our next-generation IoT ecosystem. In this role, 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 applications.

Required Skills

Job Description

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.

Technical Requirements & Skillsets

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).

Requirements:
• Education: Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related field.

• Experience: 5+ years in Professional Mobile Development, with at least 2+ years specifically focused on IoT-integrated products.

• Product Portfolio: A proven track record of shipping at least 2-3 production-grade IoT apps currently available in stores.

• Problem Solving: Strong understanding of concurrency, multi-threading, and hardware latency issues.

Bonus Points For:

• Experience with AWS IoT Core or Google Cloud IoT.

• Familiarity with C/C++ or firmware development concepts.

• Knowledge of Matter or Thread protocols.

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