(Another Monzo payments engineer here, Iâve been maintaining our card processing systems for the past two years. )
In my opinion, thereâs something even more valuable we got from outsourcing prepaid card processing - experience. We built a Mastercard processor in a year. Iâve told that to other people in the industry, and watched their heads explode. But thatâs not only because we threw some of the best engineers I know at the problem - but also because weâd had a long time to learn from our outsourcing partner.
What do these message exchanges work? Whatâs the anatomy of a transaction, when you get down to the wire? And when we started to outgrow our outsourcing partner, we could also learn from where they were struggling.
The first documents may have been signed and the first line of code written after we got our banking license, but the first bit of Mastercard trivia was posted on Slack, and the first diagram scribbled on a whiteboard, probably on the day the company was set up.
We never wouldâve gotten off the ground without the prepaid programme, not just because we could attract investors. The prepaid programme let us build a mature platform and an app around a third party, a whole ecosystem of the things that made us unique, rather than having to start by building the lowest common denominator and working from there.
It let us build fun features, put them out there, see which ones worked and which ones didnât. And it let us build a community that let us know, loud and clear, when we were on the wrong track.
Iâm going to be very curious to see how Zevvle handles this. But I think they absolutely can handle it, because theyâll have the same advantage that we did.