App developer ( swift and kotlin )

Focally; Bengaluru; On-site; INR 1,800,000 - 4,000,000; Full time

Job summary

Focally in Bengaluru is seeking a skilled Mobile Application Developer to build high-performance Android and iOS apps for connected devices and AI-powered products.

You will implement Bluetooth communication, integrate AI and ML features, and work with firmware, hardware, and backend teams to deliver seamless user experiences.

The role requires strong knowledge of BLE, Google ML Kit, and deployment to Google Play and App Store, with a focus on performance and reliability.

Qualifications

• Experience in Android/iOS app development for connected devices.
• BLE and GATT profile integration experience.
• Experience deploying apps to Google Play and App Store.

Responsibilities

• Design and develop Android and iOS applications.
• Implement reliable Bluetooth communication with embedded devices.
• Integrate AI, camera, audio and ML-based features into mobile applications.
• Publish, maintain and support applications on Google Play and the Apple App Store.

Skills

Android Development

iOS Development

Bluetooth integration

MVVM/Clean Architecture

Git

Tools

Java/Kotlin

Swift/Objective-C

BLE/BT stack

Google ML Kit

REST/WebSocket

Firebase

SQLite/Room/Core Data

Git

Play Store / App Store deployment

Job description

We are looking for a skilled Mobile Application Developer with experience in developing high-performance Android and iOS applications for connected devices and AI-powered products.

Required Skills:

• Android Development (Java, Kotlin)
• iOS Development (Swift, Objective-C)
• Bluetooth Low Energy (BLE), Bluetooth Classic, GATT and Bluetooth Profile integration (A2DP, HFP, AVRCP, HID, SPP, etc.)
• Google ML Kit (Android & iOS)
• REST APIs, JSON and WebSocket integration
• Firebase (Authentication, Cloud Messaging, Analytics, Crashlytics)
• SQLite, Room Database and Core Data
• MVVM/Clean Architecture
• Git and Version Control
• Experience with Google Play Store and Apple App Store deployment

Preferred Skills:

• AI/LLM API integration (OpenAI, Gemini or similar)
• Camera APIs (CameraX, Camera2, AVFoundation)
• Audio recording, playback and streaming
• Maps and Location Services
• Push Notifications
• Background Services and Background Execution
• Performance optimization, memory management and debugging
• Experience with IoT, Wearables, Smart Glasses or other connected devices
• Knowledge of OTA firmware update implementation over BLE
• Familiarity with Android NDK, JNI or C/C++ is an added advantage

Responsibilities:

• Design and develop Android and iOS applications.
• Implement reliable Bluetooth communication with embedded devices.
• Integrate AI, camera, audio and ML-based features into mobile applications.
• Work closely with firmware, hardware and backend teams to deliver seamless user experiences.
• Optimize application performance, battery usage and stability.
• Publish, maintain and support applications on Google Play and the Apple App Store.