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Mobile Developer (iOS/Android) – BLE Wearable App

ERBrains Business Solutions · Bengaluru

Mid 🇬🇧 English
Swift Kotlin Flutter React Native Bluetooth Low Energy CoreBluetooth SQLite Realm RESTful APIs WebSockets Apple HealthKit Google Health Connect

Job description

About the role

ERBrains Business Solutions is looking for a Mobile Developer to create and maintain a companion wearable application for iOS and Android. You will be responsible for integrating the OEM hardware SDK, handling Bluetooth Low Energy (BLE) communication, and delivering real‑time health dashboards.

Key responsibilities

  • Integrate vendor SDK for device pairing, OTA firmware updates and raw data streaming.
  • Design and implement robust background data ingestion (CoreBluetooth on iOS, Foreground Services on Android) for seamless BLE sync.
  • Build local storage solutions using SQLite or Realm to cache sensor data offline.
  • Develop responsive UI dashboards for complex biometrics such as strain gauges, sleep architecture and recovery trends.
  • Optimize power consumption and performance for continuous background synchronization.

Required profile

  • Minimum 4 years of professional mobile app development experience.
  • Hands‑on expertise with Bluetooth Low Energy protocols (GATT, characteristics, connection parameters).
  • Proven track record of shipping production‑grade iOS (Swift) or Android (Kotlin) applications, or deep native bridging in Flutter/React Native.
  • Experience with RESTful APIs, WebSockets and offline‑first architectures.

Required skills

  • Swift (iOS) or Kotlin (Android) – native development.
  • Flutter or React Native with native module integration.
  • BLE integration (CoreBluetooth, Android BLE APIs).
  • SQLite / Realm for local data persistence.
  • REST APIs, WebSockets, time‑series caching.
  • Apple HealthKit or Google Health Connect (preferred).

Questions fréquentes

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Published 1 month ago

Expires 1 week from now

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ERBrains Business Solutions

Bengaluru