Mobile Application Developer - React Native

Salary: $130,000 - 160,000 per year Requirements: 5+ years of mobile development experience Strong React Native and TypeScript expertise Deep experience with Expo, EAS Build, and EAS Updates Experience designing offline-first applications Knowledge of synchronization, local persistence, and conflict resolution Strong performance optimization skills Experience shipping apps to both iOS and Android app stores Expo experience is essential Experience with VisionCamera or native camera frameworks, computer vision or on-device machine learning, mobile security or anti-tampering, and Bluetooth, NFC, or hardware integration is beneficial Responsibilities: Build mobile applications designed to work reliably where network coverage is unreliable and in challenging field environments Develop offline-first mobile architecture, biometric attendance workflows, and camera-first user experiences Build fraud-resistant location and attendance systems and high-performance applications Help shape architecture, technical direction, and product decisions Technologies: Android Bluetooth Computer Vision Hardware Machine Learning Mobile Network NFC React React Native Security TypeScript iOS More: We are a forward-thinking technology business addressing a real-world problem in our niche. Our work focuses on mobile products that remain reliable in demanding environments. This is a senior React Native (Expo) Developer role based onsite in Miami, with a salary of $130,000–$160,000 plus benefits. Youll work with modern React Native and Expo technologies on challenging engineering problems. last updated 40 week of 2026