About This Project
An innovative digital wallet merging banking-grade security with effortless everyday transactions. Featuring instant peer-to-peer transfers, contactless QR payments, and smart personal finance telemetry.
The Technical Challenge
Users frequently experienced transaction timeouts in spotty network environments and clunky biometric authentication flows on fragmented device ecosystems.
Zavelin Engineering Solution
Architected an offline-first transaction queue with automatic SQLite-to-Cloud resolution, native biometric security, and a 60fps fluid micro-interaction interface boosting retention by +165%.
Quantifiable Impact Metrics
+165%User RetentionMonthly active adoption growth
320msCheckout SpeedInstant payment execution
99.98%Crash-Free RateProduction stability metric
Key Deliverables
Cross-Platform Flutter Application
Offline-First Transaction Queue
Biometric & QR Payment System
End-to-End Zero-Trust Security