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Next-Generation Neobank Mobile Platform Development with Open Banking Compliance and Enhanced Security

n-ix.com

Financial services

Business services

Technology

Business Challenges

Legacy mobile application requiring complete redesign, mandatory Open Banking compliance implementation, security vulnerabilities needing reinforcement, and transition from outsourced development to in-house control while scaling features for neobank transformation.

About the Client

A leading UK digital challenger bank serving small businesses and entrepreneurs with innovative banking solutions

Strategic Goals

Rebuild native Android/iOS banking applications from legacy codebase
Achieve full Open Banking Standard compliance
Implement advanced security measures including SCA and biometric authentication
Add financial management features for business users
Establish scalable infrastructure for future growth

Core System Capabilities

Native Android/iOS mobile applications with 70-80% DAU adoption
Open Banking API integration for third-party provider connectivity
Strong Customer Authentication (SCA) with push notifications
Real-time fraud monitoring and card control features
Cashback and deposit management dashboards
Multi-currency card management
Biometric authentication with facial recognition
Transaction analytics with category-based spending insights

Technology Stack

.NET Core

React.js

Firebase

ASP.NET Web API

Entity Framework

RabbitMQ

Critical System Integrations

FIS Payment Gateway
Snowdrop 2.0 transaction analytics
Identity Guard 2FA system
Financial Conduct Authority reporting APIs
PCI DSS compliant payment processing infrastructure

Operational Requirements

24/7 fraud detection monitoring
99.9% system uptime SLA
GDPR and PSD2 compliance
Scalable architecture for 1.5M+ customers
Sub-second transaction processing latency

Expected Business Outcomes

Enables full neobank transformation through compliant Open Banking infrastructure, achieves 50K+ daily active mobile users with enhanced security features, reduces time-to-market for new financial products by 40%, and establishes foundation for becoming a fully licensed digital bank with advanced fraud prevention capabilities.