Mobile Payment Service for a Leading European Bank

A free mobile payment service delivered in cooperation with project owner Sigma Systems Innovation AB. Sigma Software was involved to contribute EPiServer and UI/UX expertise to the project.



The solution was developed to provide a free mobile service that enables payments in a store with a mobile. With the solution, it is possible to make purchases even if the phone is temporarily without mobile coverage.

Sigma Software scope of works includes:

  • Creation of graphical design concept and UX for application portal,
  • Development of solution back-end based on EPiServer platform,
  • Integration with encryption and cards validation systems, and
  • Ensuring portal compliance with PCI DSS.



The solution was delivered and the app for end users is available for download from Google Play or AppStore for free. With the app, users can pay with their 3DSecure solution credit card securely and conveniently.


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Customer is one of the leading European banks with 8 million private customers and more than 600 000 corporate customers in Europe

A solution for secure payments with credit cards using a mobile phone
Graphical design concept and UX for application portal; solution back-end development and integration with encryption and cards validation systems
Team and Duration: 
5 FTE working 18 months
Microsoft technology stack