E-commerceIndustry: Retail & Fashion 2024

Shopify Enterprise Commerce Storefront & Checkout Customization

Built scalable Shopify Plus storefronts with custom Checkout Extensions, Shopify Functions, and multi-currency international routing.

A modern clothing display featuring black and white shirts on hangers inside a fashion store. — Photo: Star Zhang / Pexels

+40%

Mobile Conversion

Increase in checkout conversion rates on mobile devices

0.8s

Page Load Speed

Average page load time across global distribution locations

100% Native

Checkout Customizations

Built using Shopify OS 2.0 and Checkout UI Extensions

01 · Challenge

The problem on the ground

Read the full brief

The client's legacy store suffered from slow page loads, high checkout cart abandonment on mobile devices, and inadequate international localization.

02 · Solution

How we engineered it

Read the approach

Rebuilt the storefront using Shopify OS 2.0, Liquid optimization, custom Shopify Functions for dynamic discount logic, and Checkout UI extensions for upsell prompts.

03 · Architecture

What's running under the hood

See the execution breakdown

Shopify OS 2.0 Architecture: Modular sections and blocks optimized for Core Web Vitals.

Checkout UI Extensions: Custom native checkout apps for post-purchase upsells and order notes.

Shopify Functions: Server-side Rust/WASM functions executing real-time cart pricing rules.

Global Localization: Multi-currency and multi-language routing with automatic IP detection.

04 · Results

What changed for the client

See the outcomes

Boosted mobile conversion rates by 40% within the first month of launch.

Achieved sub-second page rendering speed globally.

Increased Average Order Value (AOV) by 18% through native checkout upsells.

Reduced cart abandonment by streamlining the checkout step.

Technical Q&A

Why use Shopify Functions over legacy Scripts?

Shopify Functions execute server-side via WebAssembly in under 5ms, ensuring 100% reliability during flash sales without impacting checkout load performance.

How were custom checkout extensions integrated?

We built native Checkout UI Extensions using Shopify's App React framework, ensuring full compliance with Shopify Plus standards and seamless mobile rendering.

Planning a similar e-commerce project?

Consult directly with our platform engineers to assess your workload and get a zero-downtime architecture plan.

Consult Engineers