How to Test Transactions From Visa and Mastercard in a Fintech App

Maxim Bogun is a QA Automation Engineer at Wirex, a UK-based fintech company. His job is to test the functionality related to the card transactions. He explains how these transactions are performed and how to automate the testing of financial transaction processing. The process of mutual payments was quite simple before the invention of plastic cards. But the advent of payment systems, such as Visa and Mastercard, brought more calculations than between two parties on the technical side in the transaction processing, he says.