The Art of Testing Payment Systems: How to Eat a Donut and Leave No Holes in Payments

We encounter electronic payments every day, but we rarely think about how they work. Yet behind every successful transaction is a complex system that needs to be thoroughly tested to avoid errors and failures.

In my presentation, I will share my experience in testing payment systems. We’ll “eat the donut piece by piece” and dive into how payments work, from integration and data validation to the challenges of working with test environments. You’ll learn what to focus on first to minimize risks and ensure business stability.