Custom E-commerce

Custom E-commerce Development

We build custom online stores when Shopify or WooCommerce fall short. Headless commerce, complex catalogs, optimized checkout, inventory management and multi-channel strategies that scale with your business.

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The key decision

When you need custom e-commerce instead of Shopify or WooCommerce

Shopify and WooCommerce are excellent solutions for most online stores. But there are scenarios where the limitations of these platforms become a barrier to business growth. When customizations exceed 40% of development, when plugins create constant conflicts, or when your business model doesn't fit the standard mold, it's time to consider custom development.

Custom e-commerce makes sense when your product catalog has complexity that standard platform fields can't resolve: configurable products with hundreds of variants, dynamic pricing by volume or customer, B2B catalogs with differentiated price lists, digital products with automated delivery, or subscriptions with specific renewal logic. In these cases, forcing a generic platform generates more technical debt than building on a solid foundation from the start.

Another common scenario is when you need a highly optimized checkout for your vertical. Standard platforms offer generic checkout flows that work for the general case but don't allow experimentation with custom flows, contextual upselling, market-specific payment options, or verification processes your industry requires. A custom checkout can improve conversion by 15% to 40% compared to generic ones, which at high volumes represents an enormous difference in revenue.

Inventory management is another critical point. If you sell across multiple channels (own website, marketplaces like Amazon or eBay, physical stores, wholesalers), you need a centralized inventory system that synchronizes stock in real-time, applies prioritization rules by channel, and manages multi-location warehousing. Native integrations between Shopify or WooCommerce and ERP, WMS, and logistics providers are often limited and fragile.

Finally, the headless commerce strategy is gaining traction among brands that want to offer differentiating shopping experiences. By separating the frontend from the business logic, you can build unique user experiences with React, Next.js, or Astro while maintaining a robust commerce backend. This gives you total design freedom without being limited by platform templates, and dramatically improves performance and Core Web Vitals metrics.

+35%

Conversion improvement with custom checkout

Headless

Decoupled architecture

Multi

Multi-channel inventory

<1s

Optimized load time

Key features

What we build in your custom online store

Every component designed to maximize conversion, simplify operations and scale with your sales volume.

Advanced product catalog

Complex catalog management with configurable products, unlimited variants, dynamic attributes and pricing by volume, customer or segment. Support for physical products, digital goods, subscriptions and bundles. Faceted search with real-time filters, smart sorting and recommendation engine based on purchase behavior. Bulk import from CSV, ERP or supplier APIs with customizable field mapping.

Optimized checkout

Purchase flow designed to minimize cart abandonment. Single-step checkout, guest checkout without mandatory registration, address autocomplete, real-time shipping calculation and multiple payment methods. Integrated A/B testing to experiment with flow variations. Automatic abandoned cart recovery with personalized emails and progressive discounts.

Inventory management

Multi-location inventory system that synchronizes stock in real-time between your web store, marketplaces (Amazon, eBay, Etsy), physical stores and wholesalers. Low stock alerts, automatic reordering when minimum threshold is reached, stock reservation during checkout and pre-order management. Integration with WMS and ERP systems for a single source of truth.

Logistics and shipping

Integration with major carriers for real-time rate calculation, automatic shipping label generation, integrated tracking and customer notifications. Support for pickup points, express shipping, international shipping with customs calculation and conditional free shipping. Order management panel with preparation, packaging and dispatch workflows.

Analytics and reporting

Sales dashboard with real-time business metrics: revenue, average order value, conversion rate, best-selling products, purchase funnel and customer cohorts. Integration with Google Analytics 4, Meta Pixel and server-side tracking for precise attribution without relying on third-party cookies. Automatic weekly and monthly reports by email with configurable KPIs.

Multi-channel and multi-language

Sell across multiple channels from a single backoffice: own website, Amazon, eBay, Instagram Shopping, Google Shopping and vertical marketplaces. Multi-language management with catalog translation, localized URLs and prices by currency. Multi-store support for managing several stores with independent catalogs and configurations but shared inventory. International SEO with hreflang and sitemaps per language.

Need an online store that adapts to your business?

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Headless Commerce

Headless architecture for unique shopping experiences

Headless commerce separates the presentation layer (frontend) from the business logic (backend). This means you can build a fully customized user experience with React, Next.js, or Astro while maintaining a robust commerce engine that manages products, orders, payments, and inventory. The result is an ultra-fast store with perfect Core Web Vitals scores that delivers the same shopping experience regardless of device or channel.

We work with Shopify Hydrogen and the Storefront API for brands that want to leverage the Shopify ecosystem with a custom frontend. For projects requiring total control, we develop custom commerce backends with Node.js and PostgreSQL, or use headless solutions like Medusa.js or Saleor that offer complete flexibility with lower initial investment.

Headless architecture also enables composable commerce: instead of depending on a monolith, each functionality (search, payments, shipping, CMS) is implemented with the best available solution and connected through APIs. This gives you the freedom to evolve each component independently without affecting the rest of the system.

100

Lighthouse Performance Score

PWA

Progressive Web App

API

API-first architecture

Composable

Composable commerce

Technologies

Technologies we use

Modern stack optimized for high-performance online stores with complex catalogs and optimized checkout.

React Next.js Astro Node.js TypeScript PostgreSQL Redis Shopify Hydrogen Storefront API Stripe WooCommerce Medusa.js Algolia Elasticsearch AWS Cloudflare Docker GraphQL Tailwind CSS Vercel
Case studies

E-commerce projects we have built

Online stores and commerce platforms in production with measurable results.

Opapeleo

Office supplies and stationery online store with thousands of products, wholesale supplier integration and WooCommerce optimized for performance and SEO.

WooCommerce e-commerce

Cawa

Social commerce engine enabling brands to sell through content creators. Commission system, conversion tracking and dashboards for brands.

Social commerce for brands

TrasterOne

Storage space rental marketplace with online booking, recurring payments and geolocation search. Connecting space owners with people needing storage.

Storage marketplace

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FAQ

Frequently asked questions about custom e-commerce

When is custom e-commerce worth it over Shopify?
Custom e-commerce makes sense when your catalog requires complex product logic (configurators, dynamic pricing, B2B), when you need a highly optimized checkout for your vertical, when you sell across multiple channels and need centralized inventory, or when you want a differentiating brand experience not possible with templates. If your store is a standard physical product catalog with conventional checkout, Shopify is usually the best option for cost and launch speed.
What is headless commerce and why should I consider it?
Headless commerce means separating the frontend (what the user sees) from the backend (business logic). This allows building fully customized user interfaces with modern frameworks like React or Next.js, while the commerce engine handles products, payments and inventory through APIs. Key advantages include: superior performance, total design freedom, same experience across web, app and any channel, and the ability to swap parts of the system without affecting the rest.
How much does custom e-commerce development cost?
Cost depends enormously on complexity. A headless e-commerce with standard catalog, optimized checkout and basic integrations can be developed for 25,000-50,000 euros in 2-3 months. A complete system with product configurator, multi-location inventory, ERP and logistics integrations, and multi-language can exceed 80,000-120,000 euros and require 4-6 months. Our recommendation is to start with an MVP covering the core purchase flow and scale features based on real usage and conversion data.
Can you migrate a store from Shopify or WooCommerce to custom?
Yes, and it's a common scenario. We plan the migration in phases to minimize risk: first we replicate the catalog and purchase flow, then migrate historical data (customers, orders, inventory) and finally make the domain switch with a parallel operation period. We maintain URLs and SEO structure to avoid losing rankings. The complete process usually takes 2-4 additional weeks beyond development, depending on data volume and existing integration complexity.
How do you optimize conversion in a custom e-commerce?
Conversion optimization in custom e-commerce works on multiple fronts: load speed (one less second improves conversion by 7%), simplified checkout with minimum steps and fields, smart search that understands synonyms and typos, personalized product recommendations, abandoned cart recovery with emails and notifications, and continuous A/B testing on key funnel pages. With a proprietary platform, you have total freedom to experiment and optimize without standard platform limitations.
Let's start

Let's build your custom online store

We help you design, develop and launch your e-commerce with the right architecture to maximize conversions and scale without limits.

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