Many applications need to process payments for digital or physical goods. Implementing the payment functionality can be very cumbersome though, as there are many payment service providers (PSPs) that support various types of payment methods.

App Payments SDK requires a dashboard service to complete payments and issue refunds.
Payment source support varies by country.
Full customised design to match the hosting application.

This was a 3 Months Internal project where understanding the importance of the different departments on a specific issue made me be able to develop a better solution as well as it also helped me to solve internal processes and workload.