Senior Mobile App Developer (NFC) - Noke

Janus International GroupAtlanta, GA

About The Position

This role focuses on developing high-performance mobile applications that interact with smart locks using NFC, BLE, and cloud services, delivering seamless and secure user experiences. You will play a critical role in next-generation access solutions, enabling offline access, enhanced security, and improved customer interactions across our IoT ecosystem.

Requirements

  • 3 years in mobile app development (Android and/or iOS)
  • 3 years of strong hands-on experience with NFC frameworks (Android NFC APIs, Core NFC for iOS), Bluetooth Low Energy (BLE)
  • 3 years of experience working with IoT devices or hardware-integrated applications
  • 3 years of React Native or cross-platform frameworks

Responsibilities

  • Design, develop, and maintain Android (Kotlin) and/or iOS (Swift) applications
  • Build scalable, secure, and high-performance mobile solutions for smart lock access
  • Ensure consistent UI/UX across mobile platforms
  • Develop and implement NFC-based access workflows (tap-to-unlock, credential exchange)
  • Integrate NFC capabilities including Tag reading/writing, Secure credential storage and validation, Offline authentication flows
  • Optimize NFC performance across different device manufacturers
  • Implement hybrid access strategies using NFC + BLE fallback
  • Ensure reliable communication in low-connectivity or offline scenarios
  • Implement secure authentication methods (token-based, encrypted storage)
  • Ensure compliance with security standards for mobile and IoT ecosystems
  • Integrate with REST APIs, cloud services (AWS/GCP), and authentication systems
  • Collaborate on API design for mobile-first interactions
  • Ensure efficient syncing of device states, logs, and access permissions
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