Senior Android & React Native Engineer — Expo Offline-First

Cierti; Miami (FL); On-site; USD 120,000 - 160,000; Full time

Job summary

Cierti in Miami is seeking a senior React Native developer with must-have Expo experience to shape mobile solutions in challenging environments. You will craft offline-first architectures, biometric attendance workflows, and camera-first user experiences for reliability where network coverage is poor.

You'll influence architecture and product direction while delivering high-performance apps across iOS and Android, leveraging Expo, React Native, and TypeScript to drive the next generation of

Qualifications

• 5+ years of mobile development experience in Android.
• Strong React Native and TypeScript expertise.
• Deep experience with Expo, EAS Build & Updates.
• Knowledge of synchronisation, local persistence, and conflict resolution.
• Strong performance optimisation skills.
• Experience shipping apps to both iOS and Android stores.

Responsibilities

• Build offline-first mobile architecture for field environments.
• Develop biometric attendance workflows and camera-first user experiences.
• Create high-performance apps with reliability in network-challenged areas.
• Influence architecture, technical direction, and product decisions.
• Work with Expo ecosystems to deliver expo-based mobile solutions.

Job description

Cierti in Miami is seeking a senior React Native developer with must-have Expo experience to shape mobile solutions in challenging environments. You will craft offline-first architectures, biometric attendance workflows, and camera-first user experiences for reliability where network coverage is poor.

You'll influence architecture and product direction while delivering high-performance apps across iOS and Android, leveraging Expo, React Native, and TypeScript to drive the next generation of