From legacy stack to a 4× faster checkout.

We replaced a Magento monolith with a Next.js + Stripe stack and a design system shipping across every surface.

+218%

vs. legacy checkout

Conversion uplift

1.2s

from 4.6s

Load time

up from 1

Deploys/week

+42

post-launch quarter

Customer NPS

01 / Challenge

The Problem

Acme's checkout was a 4.6-second monolith losing 40% of carts after step 2. Devs were terrified to deploy on Fridays.

02 / Approach

Rebuilt the checkout in Next.js + Stripe.

Moved the catalog to Shopify Storefront API.

Shipped a design system used across 12 surfaces.

03 / Visuals

acmeinc..com

04 / Results

Conversion lifted 218%. Page loads dropped from 4.6s to 1.2s. Deploys went from 1/wk to 23/wk.

05 / Tech Stack

nextjs

stripe

postgres

shopify