DTC Brands
Custom Shopify Plus storefronts, subscription models, and brand experiences that stand out from template-based competitors.
E-Commerce App Development Company
E-Commerce App Development Company.
E-commerce app development builds high-performance storefronts, marketplaces and headless commerce platforms — checkout flows, inventory sync, payment processing and conversion optimization engineered for scale. Codazz delivers D2C, B2B and marketplace platforms with PCI-DSS compliance.
- $500M+
- GMV Processed
- 3.2x
- Avg Conversion Lift
- < 1s
- Page Load
Independently audited, certified and built to standards you can check
What we build for E-Commerce
Shopify Plus PartnerTop E-Commerce Developer 2024Google Core Web Vitals OptimizedStripe Verified PartnerAWS E-Commerce PartnerHeadless Commerce Experts
An e-commerce app development company builds online selling infrastructure: storefronts, marketplaces, checkout, inventory and fulfillment integrations. Codazz covers headless commerce on Shopify Plus, custom Next.js storefronts, multi-vendor marketplaces, subscription billing and PCI-DSS payment flows — with sub-second page loads and conversion-optimized UX across 60+ e-commerce projects.
Why E-Commerce Brands Choose Codazz
Conversion-Obsessed Engineering
Every page, every interaction, every checkout step is A/B tested and optimized for conversion. We measure success in revenue per session, not just page views.
Sub-Second Performance
Headless architecture, CDN-first delivery, and aggressive performance optimization that keeps your store loading in under 1 second on any device.
Scalability for Peak Traffic
Black Friday, flash sales, viral moments. Our infrastructure auto-scales to handle 100x traffic spikes without downtime or slow checkouts.
Headless & Composable Commerce
Best-of-breed architecture combining Shopify, Medusa, or custom backends with blazing-fast React frontends for ultimate flexibility.
Who Needs E-Commerce Development?
Marketplace Founders
Multi-vendor platforms with seller dashboards, commission management, and unified checkout experiences.
B2B Commerce
Wholesale portals, custom pricing, bulk ordering, and ERP integration for business buyers.
Global Retailers
Multi-currency, multi-language storefronts with localized checkout and international shipping.
Mobile Commerce
Native shopping apps with push notifications, AR try-on, and mobile-first checkout flows.
Our E-Commerce Solutions
Full-Stack Commerce Technology Services.
From storefront to fulfillment, we build every layer of e-commerce with conversion optimization, performance, and scalability at the core.
Storefront
Custom Storefront Development
Headless storefronts with blazing-fast page loads, conversion-optimized UX, and seamless integrations with Shopify, Medusa, or custom backends.
Next.jsShopifyHeadlessPWA
Marketplace
Marketplace Development
Multi-vendor platforms with seller onboarding, product management, commission engines, unified checkout, and admin dashboards.
Multi-VendorCommissionsSeller PortalReviews
Payments
Checkout & Payment Optimization
One-click checkout, cart recovery, multi-payment support, subscription billing, and PCI-compliant payment processing.
StripePayPalApple PaySubscriptions
Operations
Product & Inventory Management
Real-time inventory sync, multi-warehouse management, automated reordering, and product information management systems.
InventoryPIMWarehouseSync
AI
Personalization & Search
AI-powered product recommendations, visual search, personalized homepages, and smart merchandising that increases average order value.
RecommendationsSearchPersonalizationAI
Growth
Analytics & Growth
Conversion tracking, A/B testing infrastructure, customer analytics, LTV modeling, and data-driven growth strategies.
AnalyticsA/B TestingLTVAttribution
E-Commerce Development by the Numbers
Whether you are launching a DTC brand, building a marketplace, or scaling an established e-commerce operation, Codazz brings the conversion expertise, performance engineering, and scalable architecture to build online stores that turn browsers into buyers. We do not just build stores — we build revenue engines.
$500M+
GMV Processed
Across all stores
3.2x
Conversion Lift
Average improvement
60+
E-Commerce Projects
Delivered globally
< 1s
Page Load Time
Lighthouse optimized
Platforms and partners our clients build with
ShopifyStripeBigCommerceMedusaAlgoliaKlaviyoSegmentGoogle AnalyticsVercelContentfulSanityStoryblok
Why Codazz for E-Commerce
Built for Revenue Growth at Scale.
Conversion Engineering
Data-driven UX optimization that measurably increases add-to-cart rates, checkout completion, and revenue per session.
Performance-First
Sub-second page loads, Core Web Vitals optimization, and CDN-first architecture that directly impacts SEO and conversion.
Scale-Ready Architecture
Infrastructure that handles Black Friday traffic spikes without downtime, slow checkouts, or lost revenue.
AI-Powered Personalization
Product recommendations, dynamic pricing, and personalized experiences that increase average order value.
Global Commerce
Multi-currency, multi-language, and international shipping support for brands selling worldwide.
Data-Driven Optimization
A/B testing, conversion analytics, and customer behavior insights that drive continuous improvement.
The stack behind the platforms
Frontend
Next.jsReactTypeScriptTailwind CSSHydrogenCommerce Platforms
Shopify PlusMedusaBigCommerceCustomSearch & AI
AlgoliaElasticsearchTensorFlowOpenAIPayments
StripePayPalApple PayGoogle PayKlarnaCloud & Performance
VercelAWSCloudFrontRedisAnalytics
SegmentGoogle AnalyticsMixpanelAmplitude
Built into every project
AI Recommendations
Personalized product discovery
Headless Commerce
Blazing-fast decoupled frontends
Visual Search
AI-powered image-based product search
Mobile Commerce
Native shopping app experiences
A/B Testing
Continuous conversion optimization
Analytics Engine
Real-time commerce insights
Smart Checkout
One-click and express payments
Inventory Sync
Real-time multi-warehouse management
Multi-Currency
Global payment processing
Personalization
Dynamic content and pricing
Selected work
Platforms we designed, built and still support.
FinTech
AI-Powered Trading Platform
Rebuilt a real-time trading engine for 100K+ users — sub-50ms latency and 99.99% uptime.
Healthcare
Enterprise Telehealth Platform
A HIPAA-compliant patient platform that has handled 200K+ consultations and cut consultation time by 60%.
E-Commerce
Enterprise E-Commerce Redesign
Redesigned checkout and storefront for 2M+ monthly visitors, tripling revenue with 1.2-second page loads.
Frequently asked questions
Common questions about our e-commerce development services, platform choices, and technical approach.
Ask our teamShopify Plus is excellent for most DTC brands. Custom platforms make sense when you need unique checkout flows, complex B2B pricing, multi-vendor marketplace functionality, or deep ERP integration that Shopify cannot accommodate. We help you evaluate the tradeoffs and choose the right approach.
Headless commerce decouples your frontend from your backend, allowing blazing-fast page loads and unlimited design flexibility. It is ideal for brands that need custom experiences, multi-channel selling, or performance-critical storefronts. We build headless frontends with Next.js connected to Shopify, Medusa, or custom backends.
We use a data-driven approach: performance optimization for faster page loads, UX improvements based on heatmap and session replay analysis, checkout flow optimization, A/B testing of key pages, and AI-powered personalization. Our average conversion lift across projects is 3.2x.
Yes. We architect for peak traffic from day one using auto-scaling infrastructure, CDN-first delivery, database read replicas, and queue-based order processing. Our stores handle 100x traffic spikes without downtime or slow checkouts.
Absolutely. We build multi-vendor marketplaces with seller onboarding, product management, commission engines, unified checkout, dispute resolution, and admin dashboards. We handle the complexity of multi-party logistics and payments.
Yes. We have deep experience integrating e-commerce platforms with SAP, NetSuite, Salesforce Commerce Cloud, and custom ERPs. We build real-time inventory sync, order routing, and financial data flows that keep your systems in harmony.
Let’s build something worth keeping.
Tell us what you are trying to build. A senior engineer will come back within one working day with a scope, a timeline and a fixed price.