Senior Mobile Application Developer (NFC)

Think Consulting

Atlanta, GA, United States

2 days ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

3 years minimum

Working hours

Regular working hours

Job source

jobs.localjobnetwork.com

Tech stack

Application Programming Interfaces (APIs) Amazon Web Services Apple IOS Applications Architecture User Authentication Bluetooth Low Energy (Bluetooth) Mobile Application Development Cloud Computing Mobile Application Software Performance Tuning Cloud Services Smart Devices

+10 more

Mobile Security Systems Integration Cloud Platform System Software Application Programming Backend Kotlin Enterprise Integration React Native Restful APIs Multiplatform

Job description

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.

Requirements

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, * 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