Senior Mobile Developer (IoT & React Native Specialist)

Flatgigs; United Arab Emirates; On-site; AED 200,000 - 300,000; Full time

Job summary

A leading tech company in the United Arab Emirates is seeking a Senior Mobile Developer to lead the development of their IoT ecosystem. The ideal candidate will have over 5 years of professional mobile development experience, specializing in IoT-integrated products. Responsibilities include developing robust React Native applications for iOS and Android, optimizing communication protocols, and implementing offline-first capabilities. This role requires expertise in various technologies including TypeScript, BLE, and CI/CD pipelines, and offers opportunities to work on production-grade IoT applications.

Qualifications

• 5+ years in Professional Mobile Development, focusing on IoT-integrated products.
• Proven track record of shipping 2-3 production-grade IoT apps.

Responsibilities

• Architect, develop, and maintain React Native applications for iOS and Android.
• Implement and optimize communication protocols between mobile devices and IoT hardware.
• Build sophisticated 'offline-first' capabilities ensuring data integrity.

Skills

React Native

TypeScript

Java/Kotlin

Swift/Objective-C

Redux Toolkit

Bluetooth Low Energy (BLE)

MQTT

Education

Bachelor's or Master's degree in Computer Science, Electrical Engineering, or related field

Tools

WatermelonDB

SQLite

Realm

Fastlane

Bitrise

GitHub Actions

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: 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).

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.