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Development of a Secure Mobile Card Management Application with Enhanced User Experience
  1. case
  2. Development of a Secure Mobile Card Management Application with Enhanced User Experience

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Development of a Secure Mobile Card Management Application with Enhanced User Experience

wearenotch.com
Financial services
Banking

Challenges in Mobile App Development for Card Management

The client faced challenges including a tight development schedule, coordination across multiple stakeholders and vendors, and a suboptimal UI/UX design for mobile devices. Additionally, existing systems lacked secure access for non-bank clients and required modernization to improve user engagement.

About the Client

A subsidiary of Erste Bank Group, operating Diners Club in Croatia under a franchise agreement, serving millions of clients across multiple countries.

Project Goals for Enhanced Card Management Solution

  • Ensure mobile responsiveness across Android and iOS platforms
  • Implement robust security measures for user data protection
  • Develop native applications from scratch for improved performance
  • Enable card ordering functionality for non-bank clients

Core Functionalities and Key Features

  • Secure account access without requiring an Erste Bank account
  • Real-time balance and transaction history checks
  • In-app card ordering for non-clients
  • Customizable UI/UX optimized for smartphones
  • Back-office application for managing notifications, labels, and settings

Technology Stack for Development

Java
NodeJS
React
Swift
iOS Unit Testing

System Integrations

  • Existing banking systems for account data
  • Third-party authentication services
  • Analytics platforms (e.g., Google Analytics, HubSpot)

Non-Functional Requirements

  • Cross-platform compatibility for Android and iOS
  • Data encryption and compliance with GDPR
  • High-performance UI/UX with low latency
  • Scalability to support growing user base

Expected Business Impact

The solution will drive increased user engagement through a secure, intuitive mobile experience. Streamlined onboarding and card ordering will expand market reach, while the back-office tool will reduce operational overhead. Enhanced security and compliance will strengthen customer trust and regulatory alignment.

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