Mobile Application Developer - React native
Summary
Senior React Native developer (onsite, Miami) building offline-first mobile apps with Expo and TypeScript that work in low-connectivity, challenging field environments — including camera-first UX, biometric attendance, and fraud-resistant location systems — with influence over architecture and product direction.
Senior React Native (Expo) Developer – Expo, Typescript, React Native
Miami, Onsite
$130,000 - $160,000 + Benefits
Must have Expo experience
Building mobile software that works where the internet doesn't.
Working for a forward thinking tech business that is solving a real world problem in their niche. They are looking for a senior React native developer with a must have of Expo experience to be considered. They are working in the whole Expo ecosystems and are looking to create mobile apps that can be sued where network coverage is unreliable, environments are challenging, and reliability is critical.
This isn't another CRUD application, and this is where tis role is different. You'll be building, offline-first mobile architecture, biometric attendance workflows, camera-first user experiences, fraud-resistant location and attendance systems and high-performance applications used in real-world field environments
You'll work with modern React Native and Expo technologies while having significant influence over architecture, technical direction, and product decisions.
Experience
• 5+ years of mobile development experience
• Strong React Native and TypeScript expertise
• Deep experience with Expo, EAS Build & Updates
• Experience designing offline-first applications
• Knowledge of synchronisation, local persistence, and conflict resolution
• Strong performance optimisation skills
• Experience shipping apps to both iOS and Android stores
In addition, any of the following would be beneficial to show
- VisionCamera or native camera frameworks
- Computer Vision or On-Device ML
- Mobile Security / Anti-Tampering
- Bluetooth, NFC or Hardware Integration
These are hard challenges, so if you enjoy solving engineering problems and building products that operate in the real world this could be for you.