Erste Group | Award-winning Mobile Card Management App 

Erste Card Club (ECC) is part of the Erste Bank Group, one of Central and Eastern Europe’s largest financial service providers, with over 16.1 million clients in seven countries. ECC proudly serves as the country’s exclusive operator of Diners Club through a franchise agreement with Diners Club International®. ECC has received numerous accolades from Diners Club International, including five awards for ‘Best New Initiative,’ three for ‘Best Franchise,’ and three for ‘Best Corporate Performance.’ The client navigated a tight schedule, collaborating with multiple parties for a project that included Diners Erste’s extensive digital transformation team and various vendors handling backend and API development. The onboarding process faced complexities, with outdated UX/UI not optimised for smartphones.

Technology Stack

• Swift
• Keychain
• Blink ID SDK
• Java
• RxJava
• Dagger2
• Android Custom Views
• Unit Testing
• iOS
• NodeJS
• Openshift
• React

Award-winning Mobile Card Management App

We developed a mobile application that allows users to securely access information about the use of their Erste Card Diners Club Card

Client name Erste

Industry Banking

Location Zagreb, Croatia

Services Dedicated Team: Product Development, Mobile App Development, Mobile Development Consulting

Methodology Scrum

Team size: 5

Project duration: 2018 -2020

The Client

Erste Card Club (ECC), part of the Erste bank group (one of Central and Eastern Europe's largest financial service providers with over 16.1 million clients in seven countries), holds Croatia's longest operating tradition. ECC proudly serves as the country's exclusive operator of Diners Club through a franchise agreement with Diners Club International®. ECC has received numerous accolades from Diners Club International, including five awards for 'Best New Initiative,' three for 'Best Franchise,' and three for 'Best Corporate Performance.'

Client Challenge

The client navigated a tight schedule, collaborating with multiple parties for a project that included Diners Erste's extensive digital transformation team and various vendors handling backend and API development. The onboarding process faced complexities, with outdated UX/UI not optimized for smartphones.

The Product

A mobile application that allows users to securely access information about using their Erste Card Diners Club Card, including the possibility of ordering cards and checking account balances and transactions without having an Erste bank account.

Goal

• Develop native applications from the ground up
• Enable card ordering for non-bank users
• Design custom Android and iOS views to ensure compatibility with a wide range of screen sizes and resolutions
• Implement robust security measures to protect user data across different Android and iOS versions, considering the low minimum supported SDK

Results

• Increased user engagement and number of users with a rapid, reliable, and secure Android and iOS application
• Improved user experience with a new UI optimised for various mobile screens
• Simplifying the user's initial experience with the implementation of a streamlined onboarding process
• Implemented back office application for administration of app settings, labels, notifications

How did we do it?

Mobile App Development

• Utilising a diverse set of technologies to create the application from the ground up.
• Integration of a middleware component to facilitate communication between the core banking system and the mobile platform, ensuring efficient data preparation and intelligent operations.
• Development of an admin application for effective management of various aspects within the mobile applications.

Mobile Development Consulting

• Assessment of existing processes, identification of bottlenecks
• Devised strategies for efficient integration of OpenShift into Erste Card Club
• Ensured seamless coordination between development and operations, which resulted in simplified deployment and efficient application scaling

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