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Senior Mobile Application Developer (NFC)

Think Systems IncTemple, Georgia🇺🇸United States

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationTemple, Georgia, United States
GCPSwiftAWSEncryptionIoTKotlinReact NativeiOSAndroidRESTReact

Job description

Job Description Job Description Overview

Our client is seeking a Senior Mobile Application Developer to build and enhance next-generation smart access solutions. This role is focused on developing mobile applications that communicate with connected devices using NFC, Bluetooth Low Energy (BLE), and cloud-based services.

The ideal candidate has strong mobile development experience, a background in hardware-integrated applications, and expertise building secure, highly available mobile solutions that function in both online and offline environments.

Key Responsibilities Mobile Development
  • Design, develop, and maintain high-performance Android (Kotlin) and/or iOS (Swift) applications.
  • Build scalable, secure, and user-friendly mobile experiences for smart lock and access-control solutions.
  • Ensure consistency in application architecture, performance, and user experience across platforms.
NFC & Smart Device Integration
  • Develop NFC-enabled mobile capabilities including:
    • Tap-to-unlock functionality
    • Credential provisioning and exchange
    • Secure credential storage and validation
    • Offline authentication workflows
  • Optimize NFC functionality across multiple device manufacturers and operating systems.
  • Troubleshoot and improve device connectivity and performance.
IoT Connectivity
  • Integrate mobile applications with connected IoT devices.
  • Implement NFC and BLE communication strategies, including fallback mechanisms.
  • Support reliable operation in low-connectivity and offline-use scenarios.
Security & Authentication
  • Implement secure authentication and authorization mechanisms.
  • Apply best practices for encryption, credential management, and secure storage.
  • Ensure compliance with enterprise security standards.
Cloud & Backend Integration
  • Integrate mobile applications with REST APIs and cloud services (AWS/GCP).
  • Collaborate with backend engineers to design mobile-first APIs and workflows.
  • Support synchronization of device status, activity logs, permissions, and user access controls.
Required Qualifications
  • 3 years of mobile application development experience using Android (Kotlin) and/or iOS (Swift).
  • 3 years of hands-on experience with NFC technologies and frameworks:
    • Android NFC APIs
    • Core NFC (iOS)
  • 3 years of experience with Bluetooth Low Energy (BLE).
  • 3 years of experience developing applications that integrate with IoT devices or physical hardware.
  • Experience with React Native or other cross-platform mobile frameworks.
  • Experience consuming REST APIs and integrating with cloud-based platforms.
  • Strong understanding of mobile application architecture, performance optimization, and security best practices.
Preferred Experience
  • Smart lock, access control, or physical security solutions
  • IoT ecosystems and connected-device environments
  • Offline-first mobile applications
  • AWS or GCP cloud environments
  • Mobile security and authentication platforms
What This Candidate Looks Like
  • Senior mobile developer with Kotlin and/or Swift expertise
  • Experience building NFC-enabled applications
  • Strong BLE and IoT integration background
  • Comfortable working directly with connected hardware devices
  • Experience building secure mobile applications that interact with cloud services and real-world devices

Equal Opportunity Employer, including disability and protected veteran status

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