DJDeepak Jaininmarkdownsimplified.hashnode.dev·18h ago · 6 min readEvent-Driven Architecture for Mere MortalsIf you've ever built a feature that needed to "check if something changed," there's a good chance your first instinct was to poll for it. Hit an API every few seconds, compare the response to what you00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·4d ago · 6 min readWhat Happens When Your Payment Pipeline FailsIf you read the last post in this series, you know the shape of the payment pipeline I built for a B2B customer portal I worked on: a payment record goes into SQL as "pending," the gateway confirms su00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·5d ago · 6 min readBuilding a Payment Pipeline That Doesn't Lose MoneyIf you've ever built a payment feature, you know the fear. It's not "will this work?" It's "what happens the one time it doesn't?" A payment button looks simple from the outside. Tap, pay, done. But u00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·Jul 7 · 6 min readHow to Design APIs That Don't Make Your Frontend Hate YouThere's a conversation that happens on almost every software team. The backend developer says: "The API is ready." The frontend developer calls it, gets the response, and then spends the next two days00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·Jul 5 · 6 min readYou've Been Doing System Design Without Knowing ItLet me guess. You've heard "system design" thrown around in senior developer job descriptions, in interview prep videos, in conversations between architects in conference rooms you weren't invited to.00
