Aura: Multi-Currency Digital Wallet & Micro-Savings
Architected and built a mobile-first digital wallet supporting multi-currency accounts, automated recurring savings pots, and instant peer-to-peer transfers.
Delivery Timeline
6 Weeks
Core Transactions
100% Zero Desync
Supported Currencies
5 Fiat Pairs
The Challenge
The founders required a consumer wallet capable of real-time peer-to-peer balance settlement with zero latency and biometrically gated transactions across iOS and Android within 6 weeks.
The Solution & Architecture
Built a Flutter cross-platform mobile client backed by a modular NestJS microservice running on AWS ECS with PostgreSQL for double-entry transactional accounting.
Engineering Highlights
Sub-100ms P2P balance updates using WebSocket synchronization
Double-entry bookkeeping ledger ensuring strict mathematical consistency
Biometric FaceID / Fingerprint authorization for every money movement
Automated KYC tiering integrated via Sumsub API
Stack & Integrations
Need a Similar MVP?
We can design and build a tailored solution with comparable architecture and performance in 4 to 8 weeks.