How we moved from a fragile loop-based payout system to a reliable, idempotent, and traceable architecture. On paper, payouts sound simple: Customer places an order Platform collects payment Platform pays the seller That's it. Until you try to do it at scale. In any marketplace or fintech system, money flows across multiple parties: Sellers / vendors Delivery partners Platform fees Discounts, vouc
I still remember where i was when the email came in. December 25th. Christmas morning. Phone in hand while having breakfast, and there is an email from our client's CTO. No greetings, Just "We're terminating the contract. Our legal team will be in touch" We lost a 120K a year contract. On a Christmas morning because of a date calculation bug that none of us, not a person on a team of 5 experienced
"OK, I understand the RPS formula. But is our RPS — actually — high or low compared to our industry?" Right after I published the RPS-definition guide last week, this was the most common question I got back from EC operators. They want to know where they sit, not just how to compute the number. Knowing your RPS is $1.20 means nothing if you don't know whether that's the industry median, the top qu