Senior Mobile Developer (IoT & React Native Specialist)
Skills
About This Role
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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