Fintech Disruptor Scales to 5M+ Active Users
Client Overview
A US-based neobank struggling with a sluggish hybrid application that failed to meet the security and performance expectations of its rapidly growing user base.
The Challenge
- Complex real-time ledger synchronization
- Strict PCI-DSS and SOC2 compliance needs
- Migration of 2M legacy accounts to new DB
- Integration with third-party banking APIs
Solution
We implemented a dual-platform native architecture using Swift and Kotlin. Our team engineered a custom synchronization engine that reduced data latency by 70% and integrated biometric security at the kernel level.
Outcomes
- App crash rate reduced from 4.2% to 0.08%
- User engagement (DAU) increased by 55%
- Transaction processing speed improved by 3x
Amelia Pratt
CTO, Nexus Financial











