Cierti
Android Developer
Miami, Florida, US
Role snapshot
Cierti is hiring a Android Developer on a full-time basis. This is an on-site role based in Miami, Florida, US.
- Company
- Cierti
- Location
- Miami, Florida, US
- Work mode
- On-site
- Job type
- Full-time
- Experience
- 5+ years
- Posted
- Nov 6, 2026
Who this role suits
Practitioners with a few years behind them who can work independently, make trade-offs and help newer teammates.
How to prepare your application
- Prepare examples of decisions you drove, how you measured the result, and how you worked with other teams.
- Be ready to discuss trade-offs and scope, not only the tools you have used.
- Read what Cierti publishes about its product or team, so you can say clearly why this role and this company.
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About the role
Senior Android 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 its 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 in Android
• 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.