Senior Mobile Developer

Mobile Software Engineer (NFC & IoT). Location: Hybrid – Vinings, Georgia. Employment Type: Full-Time. We are seeking a talented Mobile Software Engineer to help build next-generation mobile applications for our client that interact with connected devices and cloud-based services. This role focuses on creating seamless, secure, and highly reliable mobile experiences that bridge the gap between smartphones and IoT hardware. The ideal candidate has hands-on experience developing mobile applications for Android and/or iOS, integrating NFC and Bluetooth technologies, and building solutions that continue to function reliably even in low-connectivity or offline environments. This position offers the opportunity to work on innovative products that combine mobile software, cloud services, and physical devices to deliver intuitive user experiences.

Responsibilities

Build next-generation mobile applications for our client that interact with connected devices and cloud-based services; Create seamless, secure, and highly reliable mobile experiences that bridge the gap between smartphones and IoT hardware; Integrate NFC and Bluetooth technologies; Build solutions that continue to function reliably even in low-connectivity or offline environments; Work on innovative products that combine mobile software, cloud services, and physical devices to deliver intuitive user experiences

Requirements

3+ years of professional mobile application development experience; Experience developing Android applications using Kotlin and/or iOS applications using Swift; 3+ years of hands-on experience with NFC technologies, including Android NFC APIs and/or Apple's Core NFC framework; 3+ years of experience working with Bluetooth Low Energy (BLE); 3+ years of experience building applications that interact with IoT devices or connected hardware; 3+ years of experience with React Native or another cross-platform mobile development framework; Experience consuming and integrating REST APIs; Strong understanding of mobile application architecture and best practices; Excellent problem-solving and debugging skills

Nice to have

Experience developing secure offline authentication workflows; Familiarity with cloud platforms such as AWS or Google Cloud Platform (GCP); Experience working with connected-device ecosystems, access control solutions, or smart devices; Knowledge of secure credential storage and mobile security best practices; Experience publishing and maintaining mobile applications in production environments; Familiarity with mobile performance profiling and optimization techniques