Vibe coding for COOs in e-commerce.
An e-commerce COO owns what happens after the order: the warehouse or 3PL, the carriers, the returns and the customer service queue that fills when any of them slip. The tension from this seat is that marketing sets the promotion calendar and you build the tools that must absorb it, so your first real load test is the campaign you heard about on Tuesday.
What is true about software in e-commerce before you write a prompt.
E-commerce executives have a platform that does most things and a long list of things it does not. Vibe coding fills the list: the returns portal, the wholesale order form, the inventory view, the promotion tool. Every one of them touches orders, customers and money, and every one of them is visible to shoppers or connected to the systems that serve them.
Never store card data yourself
Payment details go through the payment provider and nowhere else. A tool that touches a card number, even briefly, brings PCI obligations the company does not want. The AI will happily build a card form. Do not let it.
Orders and inventory must agree
A tool that updates stock in one place and not the other oversells. A tool that changes an order without telling the platform breaks fulfilment. Integrations need to be two-way and idempotent, or read-only.
Traffic arrives all at once
A promotion tool or a returns page that worked in testing will be hit by thousands on launch day or Black Friday. Hosting, caching and rate limits are part of the build, not an afterthought.
Customer data is personal data
Names, addresses, order history and email. Privacy law applies, deletion requests must be honoured, and marketing consent is a record you have to keep.
What a COO in e-commerce gets back first.
01The 3PL invoice nobody has ever checked
Orders received, shipped on time, mis-picks and count variances next to what the contract promised. You walk into the quarterly review with your numbers rather than theirs, and the first month of it usually pays for the effort.
02The purchase order nobody was watching
Every supplier PO with its expected date, the container, the advance ship notice and what actually landed on the dock. A stockout on a best seller stops being something you discover at the shelf.
03The delay the customer finds out about first
When a SKU goes negative or a carrier scan stalls for two days, the customer hears it from you before they open a ticket. Support volume drops on exactly the days it normally spikes. It reads from the store and the carrier and writes only to the email service.
Four more hold for COOs in any industry. They are on the COO page.
The inventory sync oversells on launch day
Your tool pushes the warehouse's count to the store every fifteen minutes because that felt safe. The launch sells four hundred units inside one window, the store still shows stock, and you oversell by three hundred. The refunds, the apology emails and the chargebacks cost more than the campaign made, and the 3PL bills you for the picks anyway.
The pattern underneath is the one every COO hits: three months in, the app is the only place the real status of anything lives. Then the database is changed by hand, or the hosting bill lapses, and there is no copy.
What a safe build in e-commerce usually runs on.
Builds usually sit next to Shopify, BigCommerce or a similar platform, connected through the platform's API with a scoped key, hosted on Vercel or comparable, with Postgres for anything the platform does not store. Payments stay inside the platform or Stripe. Public pages get caching and rate limiting before launch.
What changes for a COO in e-commerce.
A CTO in your corner treats your ops tool as what it is: production software that the company runs on. Before the first team uses it, someone has checked how the data is stored and backed up, who can change what, and what happens when an integration fails. Every database change goes through a written migration you have tested on a copy first. You still build it. It just does not fall over when it matters.
What COOs in e-commerce ask.
A CTO who has read e-commerce apps before yours.
Thirty minutes, free, no card. What you built, what is going on with it, whether we can help.
In your corner.