Shopify E-commerce Development
We build Shopify stores that sell — faster, harder, at scale.
Drive a +22% AOV boost and lower cart dropouts. We write custom Liquid storefront themes, optimize cart recommendations, and configure Plus API syncs.

Our Shopify Services Include
End-to-end Shopify expertise — from custom store builds to migration, SEO, and ongoing maintenance.
Shopify Store Development
Custom, high-converting Shopify stores built with modern themes and tailored functionality for fast-loading performance.
Shopify Theme Customization
Professional design and customization of Shopify themes. Unique layouts, branding, and user-friendly navigation.
E-commerce Functionality & Features
Advanced features including product filters, wishlist, quick view, mega menus, upsells, cross-sells, and abandoned cart recovery.
Payment & Shipping Integration
Seamless integration with multiple payment gateways (Stripe, PayPal, etc.) and shipping solutions for local & international delivery.
Shopify App Development & Integration
Custom Shopify apps and third-party app integrations to extend store functionality.
Shopify Migration & Redesign
Smooth migration from other platforms (WooCommerce, Magento, etc.) and complete redesign of existing Shopify stores.
Shopify SEO & Optimization
Technical SEO, speed optimization, mobile responsiveness, and conversion rate optimization for better rankings and sales.
Shopify Maintenance & Support
Ongoing store maintenance, updates, security, and performance monitoring.
Who this is
engineered for:
Shopify store owners experiencing low mobile conversions or sluggish load times.
Established brands migrating their backend products from custom CMS onto Shopify Plus.
Merchant teams needing customized product templates, bundles, or advanced app integrations.
A structured 4-step process
E-comm Performance Audit
Audit speed logs, cart dropout points, navigation paths, and check third-party app weight.
Theme UX Optimization
Design a customized store theme interface focusing on product discoverability and slide-out cart upsells.
Liquid & Tailwind Coding
Develop high-speed, lightweight Shopify sections using clean custom Liquid codes and Tailwind CSS styles.
App Syncs & Launch Prep
Hook up payment options, inventory syncing, shipping setups, and run rigorous desktop/mobile testing.
Increased average order value by 22% and reduced average page load time by 1.8 seconds.
No commitment · 15-min call
What our clients say
“They rebuilt our product detail pages with custom Liquid blocks and optimized our cart, increasing our average order value by 22%.”
Founder at Acme Retail
“The load speed improvements from Avventra's Shopify overhaul cut our cart bounce rates and boosted mobile conversions by 44%.”
Head of E-commerce at GlamCo
“Avventra migrated our legacy CMS to Shopify Plus flawlessly, syncing ERP inventory perfectly and launching under schedule.”
Director of Operations at PureGold
Expert-level Shopify tooling
Flexible plans for your store
Shopify Growth
Complete custom store setup or theme redesign engineered to maximize performance and conversion rates.
- Bespoke custom Liquid theme
- Speed optimized (sub-1.5s load)
- Cart slide-out & upsell setup
- Essential app integrations
- 30-day post-launch support
Shopify Retainer
Continuous CRO, ongoing speed optimization, custom landing page creation, and app maintenance.
- 20 engineering sprint hours/mo
- Continuous A/B testing & CRO
- App audits & speed monitoring
- New feature & promo code builds
- Slack support (under 24h reply)
Shopify Plus / Headless
For high-volume brands migration to Shopify Plus or wanting headless Hydrogen/Next.js storefronts.
- Headless Next.js/Hydrogen build
- Checkout Extensibility setups
- ERP / Inventory custom sync APIs
- B2B/Wholesale portals
- Priority support & dedicated dev
Frequently Asked Questions
Ready to scale your Shopify store?
Book a slot directly in our calendar to run an audit on your store performance, review your theme speed, and map your conversion growth opportunities.