Six Weeks of Work. Three Lines of Code. Two Hours to Break It All.
This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.
I was one of three engineers building the checkout flow for a new SaaS product , and six weeks in, I was sure it was the safest part of the whole app. Saved cards worked. So did the three payment methods, the promo codes, the subscriptions. We'd tested every path twice, some of them three times. La…
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- 2026-09-09 13:23 · DEV Community — AI
Six Weeks of Work. Three Lines of Code. Two Hours to Break It All.