WEB & SOFTWARE / CASE STUDY #6048

Headless Multilingual E-Commerce for a €2.5M ARR Luxury Brand

Client Industry

Artisanal Gastronomy & Cosmetics

Engagement Timeline

12 Weeks (Headless Deployment)

Engineered Infrastructure

Next.js 15, Laravel Backend, Stripe

Operational SLA

Mutua Universal Certified

THE BOTTLENECK (BEFORE ATMSH)

Bloated WooCommerce & 68% Cart Abandonment

The client was attempting to scale premium Mediterranean organic products across Madrid, Paris, and London using a standard WordPress/WooCommerce setup choked with 22 different plugins. The site suffered a sluggish 4.8-second page load, broken multi-currency checkouts (EUR to GBP), and lacked dynamic EU cross-border tax calculation. Mobile users experienced a frustrating 4-step checkout form, driving cart abandonment to an unsustainable 68%.

THE ATMSH HEADLESS BLUEPRINT

Ultra-Fast Edge Render & 1-Click Checkout

We decoupled the frontend completely, engineering a blazing-fast Next.js store deployed to the Cloudflare Edge network. Pages now render in 0.3 seconds. We rebuilt the backend using a custom Laravel API connected to Stripe Elements and Apple Pay, providing an automated 1-click localized checkout. Furthermore, we integrated an automated live calculation module for the EU One-Stop Shop (OSS) VAT tax filing scheme.

Concrete Performance Shift

E-Commerce Engine Outcomes

0.3s
Page Render Speed

Down from 4.8s monolithic load

+46%
Checkout Conversion

Result of 1-click Express Checkout

€210k
Added Monthly Net GMV

Directly recovered from lost carts

100%
EU OSS VAT Compliance

Automated cross-border tax splits

Architecture Breakdown

Engineered Commerce Modules

⚡ Edge-Cached Catalog

Using Algolia InstantSearch and Redis caching, customers can search through 4,000+ localized SKUs with instant sub-millisecond auto-complete filtering.

🌍 Dynamic OSS Tax Routing

An automated backend worker detects customer IP at checkout, applying correct regional VAT (e.g., 21% Spain, 20% France, 19% Germany) instantly to statutory records.

🛒 Bi-Directional ERP mutation

Live stock mutations. If an item is purchased in their physical Madrid boutique, the Next.js online inventory is decremented instantly via live WebSockets.

Next.js 15 App Router Laravel 11 API Stripe Express UI Algolia Search Cloudflare Edge
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