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E-Commerce Development

Launch a high-converting online store or marketplace built for performance, scalability, and seamless customer experiences. From headless commerce architectures to custom Shopify solutions, we build e-commerce platforms that drive revenue growth.

35+
Stores Launched
< 1s
Avg Page Load Time
28%
Avg Conversion Rate Lift
$50M+
GMV Processed

About This Solution

E-commerce is no longer just about putting products on a website. Modern consumers expect sub-second page loads, personalized recommendations, seamless mobile experiences, and frictionless checkout across multiple payment methods. At Cozcore, our E-Commerce Development solution builds online stores and marketplaces that convert browsers into buyers through performance-obsessed engineering, conversion-optimized design, and scalable architecture that handles Black Friday traffic without breaking a sweat.

We work across the full spectrum of e-commerce architectures. For brands looking for speed to market with proven infrastructure, we build custom Shopify storefronts with bespoke themes and custom app integrations. For businesses needing full control and flexibility, we develop headless commerce solutions using Medusa.js or custom backends with Next.js frontends that deliver lightning-fast page loads through static generation and edge caching. For marketplace entrepreneurs, we build multi-vendor platforms with seller management, commission handling, and independent storefronts.

Beyond the storefront, our e-commerce solutions cover the entire commerce ecosystem: product information management, inventory tracking across channels, order management and fulfillment workflows, payment processing with fraud prevention, shipping rate calculation and label generation, customer accounts and loyalty programs, and comprehensive analytics that show you exactly where revenue is being won or lost. Every decision we make is informed by conversion rate optimization principles, because a beautiful store that does not convert is just an expensive brochure.

Who This Solution Is For

This solution is designed for organizations that match these profiles

Retail brands expanding into direct-to-consumer e-commerce who need a high-converting online store that reflects their brand identity and provides a premium customer experience beyond what templates can deliver.

Growing D2C brands whose current e-commerce platform is limiting their ability to customize the shopping experience, implement unique promotional mechanics, or scale to handle increasing traffic.

B2B companies launching online ordering portals with features like tiered pricing, purchase orders, net payment terms, and account-based purchasing that consumer-focused platforms do not support natively.

Marketplace entrepreneurs building multi-vendor platforms where independent sellers list products, manage their own inventory, and receive automated commission-based payouts.

Target Audience

Built for the people and teams who need it most

Retailers expanding into online and direct-to-consumer channels

D2C brands needing a custom storefront beyond template limitations

B2B companies launching online ordering and self-service portals

Marketplace entrepreneurs building multi-vendor platforms

Ready to Discuss E-Commerce Development?

Get a detailed project estimate and timeline within 48 hours

Our Approach

A proven methodology refined across dozens of e-commerce development engagements

1

Commerce Strategy & Planning

Define your e-commerce goals, evaluate platform options (Shopify, headless, custom), map the product catalog structure, and plan integrations with fulfillment, accounting, and marketing systems.

MiroFigmaGoogle AnalyticsNotion
2

UX Design & Conversion Optimization

Design a storefront optimized for conversions: intuitive navigation, fast product discovery, streamlined checkout, and mobile-first responsive layouts. Test designs with real users before development.

FigmaHotjarMazeBaymard Institute Guidelines
3

Storefront Development

Build the customer-facing storefront with server-side rendering for SEO, dynamic product pages, advanced filtering, image optimization, and performance tuning for sub-second load times.

Next.jsShopifyMedusa.jsTailwind CSS
4

Commerce Backend & Integrations

Implement the commerce engine: product management, inventory tracking, pricing rules, payment processing, tax calculation, shipping integration, and order management workflows.

StripeAlgoliaShipStationPostgreSQL
5

SEO & Performance Optimization

Implement technical SEO best practices: structured data for products, XML sitemaps, canonical URLs, Core Web Vitals optimization, and image CDN configuration for global fast delivery.

Google Search ConsoleLighthouseCloudflareAhrefs
6

Launch & Growth

Production deployment, payment processing verification, load testing, analytics setup, and post-launch monitoring. Implement A/B testing infrastructure for ongoing conversion optimization.

VercelGoogle Analytics 4OptimizelySentry

Technology Stack

Enterprise-grade technologies powering our e-commerce development solution

Next.js Shopify Medusa.js Stripe Algolia PostgreSQL Redis Cloudflare

Timeline & Investment

Transparent expectations for scope, timing, and budget

Typical Timeline

8-16 weeks depending on catalog size, integrations, and custom functionality

Investment Range

Starting from $25,000 for Shopify custom storefront; $50,000-$150,000 for headless or marketplace builds

Benefits

Measurable outcomes you can expect from this solution

Sub-second page loads that reduce bounce rates and boost conversions

Mobile-first design optimized for on-the-go shoppers

Flexible product catalog supporting variants, bundles, and subscriptions

Seamless checkout with multiple payment gateways and local methods

Built-in SEO architecture for organic traffic growth

What You Get

Concrete deliverables included in every e-commerce development engagement

1

Production-ready e-commerce storefront or marketplace

2

Product management system with inventory tracking

3

Payment processing integration with fraud prevention

4

Order management and fulfillment workflow

5

Analytics dashboard with conversion tracking and revenue reporting

Case Highlights

Real results from our e-commerce development engagements

D2C Fashion Brand Headless Storefront

Built a headless commerce store on Next.js and Medusa.js that achieved 97 Lighthouse performance score. Conversion rate increased 34% compared to the previous Shopify template, with average page load under 400ms.

B2B Wholesale Ordering Portal

Developed a B2B e-commerce platform with tiered pricing, bulk ordering, net-30 terms, and ERP integration. Online orders grew from 15% to 68% of total revenue within 6 months, reducing order processing costs by 45%.

Multi-Vendor Artisan Marketplace

Launched a marketplace with 200+ independent sellers, automated Stripe Connect payouts, and seller analytics dashboards. Platform reached $1.2M in GMV within the first year of operation.

Why Choose Cozcore

What sets our e-commerce development solution apart

Conversion-Obsessed Engineering

Every technical decision is evaluated through a conversion lens. We build fast, intuitive stores that turn visitors into customers with optimized checkout flows and mobile experiences.

Platform Flexibility

From Shopify to fully custom headless architectures, we recommend and build the right solution for your business rather than forcing a one-size-fits-all approach.

Full Commerce Stack

We handle the entire ecosystem: storefront, payments, inventory, shipping, analytics, and marketing integrations. One team, complete commerce coverage.

Built for Scale

Our architectures handle traffic spikes effortlessly with edge caching, auto-scaling, and CDN distribution. Your store stays fast on Black Friday, not just on quiet Tuesdays.

Related Services

Engineering capabilities that power this solution

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Scale your team with pre-vetted senior engineers who specialize in the technologies behind this solution.

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E-Commerce Development - Frequently Asked Questions

Should we use Shopify or build a custom headless commerce solution?
Shopify is the right choice when you want fast time-to-market, a proven ecosystem of apps and payment processors, and built-in hosting and security. It is ideal for brands selling physical products with straightforward catalogs and standard checkout flows. A headless commerce solution (using Medusa.js, Saleor, or a custom backend with a Next.js frontend) is better when you need full control over the customer experience, highly custom checkout flows, unique promotional mechanics, or when you are building a multi-channel commerce platform. Headless gives you superior performance through static generation and edge caching, typically achieving sub-200ms page loads. We evaluate your specific requirements during our strategy phase and recommend the architecture that best balances your goals for speed, flexibility, and budget.
How do you ensure the store loads fast and converts well?
Performance and conversion are our primary design constraints. On the performance side, we implement server-side rendering or static generation for instant page loads, optimize images with next-gen formats and lazy loading, configure CDN caching for global delivery, minimize JavaScript bundles with code splitting, and tune Core Web Vitals to achieve 90+ Lighthouse scores. On the conversion side, we follow Baymard Institute checkout usability guidelines, minimize checkout steps, offer guest checkout, display trust signals prominently, implement smart search with Algolia for fast product discovery, and design mobile-optimized layouts that account for thumb-friendly interaction patterns. Post-launch, we implement A/B testing to continuously improve conversion rates based on real user data.
Can you build a multi-vendor marketplace?
Yes. We have built multi-vendor marketplaces where independent sellers create accounts, list products, manage their own inventory, and receive automated payouts based on configurable commission structures. The platform handles order routing (splitting orders across multiple sellers), independent shipping calculation per seller, review and rating systems, seller performance dashboards, and dispute resolution workflows. We implement Stripe Connect for marketplace payments, which handles seller onboarding, identity verification, and automated commission splits. The marketplace admin gets a comprehensive dashboard for managing sellers, monitoring transactions, and overseeing platform health.
How do you handle SEO for e-commerce sites?
E-commerce SEO requires specialized attention because product pages, category pages, and faceted navigation create unique challenges. We implement product structured data (JSON-LD) that enables rich snippets in search results, including price, availability, and review ratings. Category pages are built with crawlable pagination and canonical URLs to avoid duplicate content issues. Product URLs are clean and descriptive. We implement breadcrumb structured data, XML sitemaps segmented by category, and internal linking strategies that distribute authority across the catalog. For headless implementations, we use server-side rendering to ensure all content is crawlable. We also handle the technical SEO challenges of faceted navigation by implementing noindex directives and canonical tags that prevent filter combinations from creating duplicate content.
What payment methods can you integrate?
We integrate with all major payment processors and methods. Stripe is our primary recommendation for credit and debit cards, Apple Pay, Google Pay, and Buy Now Pay Later options like Klarna and Afterpay. We also integrate with PayPal, Square, and regional payment methods depending on your target markets. For B2B e-commerce, we implement purchase orders, net payment terms, and invoicing workflows. For subscription commerce, we build recurring billing with Stripe Billing or custom subscription engines. All payment integrations include fraud prevention measures like 3D Secure, address verification, and velocity checks. We handle PCI DSS compliance requirements through tokenized payment processing that keeps sensitive card data off your servers.
Can you integrate with our existing inventory and fulfillment systems?
Absolutely. We build bidirectional integrations between your e-commerce platform and existing inventory management, warehouse management (WMS), and fulfillment systems. This ensures real-time inventory accuracy across all sales channels, preventing overselling and enabling accurate availability display on your storefront. For shipping, we integrate with carriers like UPS, FedEx, USPS, and DHL for real-time rate calculation and automated label generation. We connect with fulfillment services like ShipBob, ShipStation, or your own warehouse operations. Order status updates flow back to the customer automatically with tracking information. For multi-channel retailers, we synchronize inventory across your online store, physical locations, and marketplace listings on Amazon or eBay.

Ready for E-Commerce Development?

Tell us about your project and get a free consultation with our senior engineers. We will map the right approach, timeline, and investment for your specific needs.

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