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E-commerce Development

Turn Browsers
Into Buyers

In the digital marketplace, your storefront never closes. We build high-conversion, scalable e-commerce ecosystems that drive revenue and customer loyalty.

The Abandonment Hub

Why 70% of Shoppers
Abandon Your Checkout

Poor e-commerce performance isn't just annoying; it's expensive. Most stores lost revenue to friction they don't even see.

Complex Checkout

Too many forms and mandatory account creation are conversion killers. We build frictionless, one-page checkouts.

Laggy Filtering

If users can't find what they want in 3 seconds, they leave. We implement instant, faceted search results.

Untrustworthy UI

A dated design makes users worry about their credit card safety. We provide premium, high-trust aesthetics.

Mobile Buying Friction

Most shopping happens on mobile. If your store isn't optimized for touch, you're losing half your sales.

Inventory Desync

Selling items that aren't in stock leads to bad reviews and chargebacks. Our systems sync in real-time.

Narrow Payment Options

Limited payment methods turn away international customers. We integrate Crypto, Wallets, and Installments.

Our E-commerce mastery

E-commerce Solutions

From boutique Shopify setups to complex Multi-vendor marketplaces, we build for conversion.

Custom Shopify Plus

Headless Shopify implementations and custom Liquid development for high-growth DTC brands.

Enterprise WooCommerce

Hardened, scalable WordPress commerce solutions designed for thousands of SKUs and high traffic.

Adobe Commerce (Magento)

Professional B2B and B2C Magento implementations with complex ERP and CRM integrations.

Headless Commerce

Modern Composable Commerce using BigCommerce, Medusa, or Commercetools for total front-end freedom.

Multi-Vendor Marketplaces

Build the next Amazon or Etsy. Complete vendor portals, commission logic, and split payment systems.

Subscription E-commerce

Recurring revenue models with Stripe Billing or Recharge integration for curated boxes and digital services.

E-commerce Technology Stack

The engines that drive modern digital commerce.

Core Platforms

  • Shopify / Shopify Plus
  • Adobe Commerce
  • Medusa.js
  • BigCommerce

Checkout & Payments

  • Stripe / Stripe Connect
  • PayPal / Braintree
  • Klarna / Afterpay
  • Coinbase Commerce

Integrations (PIM/ERP)

  • SAP / Oracle Netsuite
  • Katana / Cin7
  • Akeneo PIM
  • Zapier / Make.com

Logistics & Shipping

  • ShipStation
  • SendCloud
  • AfterShip
  • EasyPost API

Marketing & Sales

  • Klaviyo / Mailchimp
  • Yotpo / Trustpilot
  • Google Merchant Center
  • Gorgias (Customer Service)

Analytics

  • GA4 Enhanced E-comm
  • Hotjar / Microsoft Clarity
  • Mixpanel
  • Glew.io

Search & Discovery

  • Algolia
  • Searchspring
  • Klevu (AI Search)
  • Boost Filter

Store Management

  • Matrixify
  • Rewind Backups
  • Weglot / Langify
  • Locksmith

Why Trust Constelly for
Commerce Engineering?

We don't just build stores; we build revenue-generating assets. Our approach combines psychology-driven design with warehouse-to-doorstep technical automation.

Conversion-First Design

Every pixel is placed to reduce cognitive load and lead the user toward the "Buy" button effortlessly.

Complex API Automation

Automate your inventory, shipping, and customer support so you can focus on scaling, not clerical work.

PCI-DSS Security Standard

We ensure your transaction layers are 100% secure, protecting both your business and your customers.

$500M+

Total Sales Volume Processed

99.9%

Store Uptime During Black Friday

15%

Avg Reduced Load Times

25+

ERP Integrations Built

Frequently Asked Questions

Shopify is a hosted platform with less maintenance work but higher monthly fees and less code control. WooCommerce is self-hosted and highly customizable but requires more technical oversight. We help you choose based on your specific business goals.
Headless commerce decouples the frontend "head" from the backend e-commerce "body." This allows you to use a fast, modern frontend (like Next.js) while using an enterprise backend (like Shopify or BigCommerce) to manage your data.
Yes. We specialize in secure data migration, ensuring that your customer records, order history, and SEO rankings are preserved during the transition to a new platform.
We use Global Content Delivery Networks (CDNs), edge caching, and optimized database queries. For enterprise clients, we implement load balancing to ensure the site stays up during Black Friday-style surges.
Absolutely. We have deep experience building custom middleware and API bridges to sync e-commerce data with SAP, Oracle, NetSuite, and custom proprietary systems.
We look at Conversion Rate, Average Order Value (AOV), Customer Acquisition Cost (CAC), and Page Load Speed. We set up advanced tracking (GA4) so you can see exactly where your money is going.
Yes. It focuses on product schema (to show prices in Google results), category internal linking, image optimization for search, and high-performance technical frameworks that search engines favor.
Yes, we can implement multi-currency checkout with auto-IP detection and set up complex subscription logic for recurring revenue streams using Recharge, Bold, or custom Stripe Billing.
We offer various support tiers, from basic security patching to active performance monitoring and monthly CRO (Conversion Rate Optimization) audits to keep your store at peak performance.
Request a quote today! We'll start with a discovery workshop to understand your product catalog, technical requirements, and sales goals before providing a detailed roadmap to launch.

Drive Sales with Superior E-commerce

Build high-converting online stores with seamless checkout experiences. Scale your retail business with robust e-commerce platforms.