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# Mobile Application Developer

- **Company:** MARS Solutions Group
- **Location:** Vinings, GA, United States
- **Experience:** Expert
- **Salary:** $93,600.0 - $124,800.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Apple IOS, Bluetooth Low Energy (Bluetooth), Mobile Application Development, Design of User Interfaces, Mobile Application Software, Cloud Services, Kotlin, Enterprise Integration, React Native, Api Design, Restful APIs
- **Published:** September 6, 2026
- **Apply:** https://www.careerjet.com/jobad/us8e032af1e601aae793b88161d6e78624

## About the Role

* 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

PHYSICAL DEMANDS:

 * Regularly required to sit, stand, and walk.
 * Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of the position.

## Description

* 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

 * NFC & Device Interaction

 * 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

 * IoT & Connectivity

 * Implement hybrid access strategies using NFC + BLE fallback
 * Ensure reliable communication in low-connectivity or offline scenarios

 * Security & Compliance

 * Implement secure authentication methods (token-based, encrypted storage)
 * Ensure compliance with security standards for mobile and IoT ecosystems

 * Backend Integration

 * 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, Job Summary: Under minimal supervision, designs, develops, troubleshoots and debugs complex software programs for enhancements and new products. Responsible for complex concept des…
 + 1 month ago


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