E-commerce Software Development Company

Custom Online Stores, Shopify Plus, Headless Commerce & Omnichannel Retail

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Expert Guidance By: Savas Tutumlu, Co-Founder & CTO

E-commerce Experience: MIT-trained • 10+ years • $50M+ in online sales generated • Shopify Plus certified • 100+ projects delivered

Expert E-commerce Development Services

Stratagem Systems specializes in building high-converting e-commerce platforms that scale with your business. From custom storefronts to enterprise marketplaces, we deliver solutions that drive revenue and customer satisfaction. With 100+ e-commerce projects delivered and $50M+ in online sales generated for clients, we understand what it takes to succeed in digital commerce.

🛒 E-commerce Platform Expertise

Shopify Plus Development

Official Shopify Plus partners specializing in high-volume stores and enterprise e-commerce. We build custom Shopify Plus themes, apps, and integrations for brands processing $1M+ annually.

  • ✓ Custom Shopify Plus theme development from scratch or customization
  • ✓ Shopify app development (public and private apps)
  • ✓ Shopify Scripts for dynamic pricing, shipping, payment customization
  • ✓ Shopify Flow automation for order processing, inventory, customer segmentation
  • ✓ Launchpad for automated sales events and flash sales
  • ✓ Wholesale/B2B functionality with tiered pricing
  • ✓ Multi-storefront architecture (international, B2B, retail)
  • ✓ Headless Shopify with React, Vue, or Next.js frontend

Magento / Adobe Commerce

Enterprise-grade Magento development for complex B2B and B2C e-commerce with extensive catalog management, multi-store capabilities, and advanced customization.

  • ✓ Magento 2 / Adobe Commerce development and migration from Magento 1
  • ✓ Custom module development for unique business logic
  • ✓ B2B features: company accounts, quote management, approval workflows
  • ✓ Multi-store and multi-language setup for international expansion
  • ✓ Advanced catalog management (100K+ SKUs)
  • ✓ ERP integration (SAP, Oracle NetSuite, Microsoft Dynamics)
  • ✓ PIM (Product Information Management) integration
  • ✓ Performance optimization for high-traffic stores

Headless Commerce Architecture

Decouple your frontend from backend for ultimate flexibility, performance, and omnichannel experiences. Deliver content-rich shopping experiences without platform limitations.

  • ✓ Commercetools implementation (cloud-native commerce platform)
  • ✓ Headless Shopify with Hydrogen (React-based framework)
  • ✓ Custom API layer with Node.js, GraphQL, REST
  • ✓ Frontend with Next.js, React, Vue, Nuxt for blazing performance
  • ✓ JAMstack architecture for security and speed
  • ✓ Content management with Contentful, Strapi, Sanity
  • ✓ Omnichannel POS, kiosks, mobile apps, IoT devices
  • ✓ Progressive Web Apps (PWA) for mobile-first experience

🎯 Core E-commerce Capabilities

💳 Payment Integration

Stripe, Square, PayPal, Authorize.Net, Braintree. Buy Now Pay Later (Klarna, Affirm, Afterpay). Alternative payments (Apple Pay, Google Pay, Amazon Pay). Multi-currency and international payments.

📦 Inventory Management

Real-time stock tracking across multiple warehouses, automated reorder points, backorder handling, dropshipping integration, inventory forecasting, barcode/SKU management, stock transfer workflows.

🚚 Shipping & Fulfillment

Real-time shipping rates (USPS, FedEx, UPS, DHL), multi-carrier label printing, fulfillment center integration (ShipStation, ShipBob, Amazon FBA), international shipping, order tracking, returns management.

📊 Order Management System

Centralized OMS for all sales channels, order routing and fulfillment automation, split shipments, customer service tools, returns/refunds processing, order history and lifecycle tracking.

🔄 Subscription & Recurring Billing

Subscription box platforms, membership sites, recurring billing automation, dunning management (failed payment recovery), flexible subscription plans (monthly, quarterly, annual), customer portal for subscription management.

📈 Conversion Rate Optimization

A/B testing frameworks, abandoned cart recovery (email, SMS, push), upsell/cross-sell engines, personalization and recommendation algorithms, checkout optimization, exit-intent popups.

🏢 B2B E-commerce Platforms

Specialized B2B platforms with complex pricing, bulk ordering, approval workflows, and ERP integration. Built for manufacturers, distributors, and wholesalers.

B2B Features

  • Company Accounts: Hierarchical user roles, multiple shipping addresses, purchase order management
  • Custom Pricing: Customer-specific pricing, volume discounts, contract pricing, pricing tiers by customer segment
  • Quote Management: Request for quote (RFQ) workflows, quote approval process, quote-to-order conversion
  • Credit Terms: Net 30/60/90 payment terms, credit limit enforcement, aging reports
  • Bulk Ordering: Quick order forms with SKU entry, CSV upload, reorder from previous orders
  • Approval Workflows: Purchase approval chains, spending limits, budget controls
  • Self-Service Portal: Order history, invoice downloads, account statements, credit applications

🛍️ Marketplace Development

Multi-vendor marketplaces connecting buyers and sellers. Commission-based or subscription revenue models with vendor management, ratings, and analytics.

Marketplace Capabilities

  • Vendor Onboarding: Application and approval process, vendor verification, KYC compliance
  • Vendor Dashboard: Product listings, order management, sales analytics, payout tracking
  • Commission Management: Flexible commission structures (percentage, flat fee, tiered), automated commission calculation and payout
  • Multi-Vendor Cart: Single checkout for multiple sellers, split payment processing, coordinated shipping
  • Ratings & Reviews: Product and seller reviews, dispute resolution, fraud detection
  • Vendor Subscription Plans: Tiered vendor plans (basic, pro, enterprise), feature gating by plan

📱 Mobile Commerce & Omnichannel

Native iOS/Android apps and progressive web apps for mobile shopping. Unified commerce experiences across web, mobile, in-store POS, and social commerce.

Omnichannel Integration

  • ✓ Buy Online, Pick Up In Store (BOPIS): Real-time store inventory, pickup notifications
  • ✓ Endless Aisle: In-store tablets to order out-of-stock items for home delivery
  • ✓ Unified Customer Profile: Single view of customer across all channels
  • ✓ Store Locator & Inventory: Real-time stock at nearby locations
  • ✓ Social Commerce: Instagram Shopping, Facebook Shops, TikTok Shop integration
  • ✓ Voice Commerce: Alexa Skills, Google Actions for voice ordering

💼 E-commerce Development Case Studies

Shopify Plus Fashion Retailer

Challenge: Fashion brand with 10,000+ SKUs needed custom Shopify Plus theme with advanced filtering, size charts, and inventory management across 3 warehouses.

Solution: Custom Shopify Plus theme with mega-menu, advanced search/filters (color, size, price, brand), size recommendation engine, real-time inventory visibility, automated backorder handling. Shopify Scripts for VIP customer pricing.

Results: 45% increase in conversion rate, 28% reduction in cart abandonment, 67% improvement in average order value through upsells, $2.5M in online sales within first year.

B2B Manufacturing Marketplace

Challenge: Industrial parts manufacturer needed B2B platform with 50,000+ SKUs, complex pricing (volume discounts, contract pricing), and ERP integration (Oracle NetSuite).

Solution: Custom Magento 2 B2B Commerce platform with customer-specific catalogs and pricing, quick order forms with CSV upload, real-time ERP sync for pricing/inventory, Net 30 payment terms with credit limit enforcement, purchase approval workflows.

Results: 380% increase in online orders (from $500K to $2.4M annually), 55% reduction in order processing time, 92% customer adoption rate (from phone/email orders), $180K annual savings in order processing costs.

Headless Commerce Subscription Box

Challenge: Subscription box startup needed ultra-fast, content-rich experience with flexible subscription management, personalization, and mobile app.

Solution: Headless architecture with Shopify backend, Next.js frontend, Contentful CMS for blog/content. Recharge Subscriptions API integration for recurring billing. React Native mobile app for iOS/Android. Personalization engine for product recommendations.

Results: 95+ Lighthouse performance score, 3x faster page load vs Shopify theme, 12,000+ active subscribers within 18 months, 78% subscription retention rate, 4.8/5 app store rating with 5,000+ downloads.

🚀 Why Choose Stratagem Systems for E-commerce Development

🏆 E-commerce Specialists

100+ e-commerce projects delivered. Official Shopify Plus partners. Certified Magento developers. Deep expertise in headless commerce, B2B platforms, and marketplaces.

💰 Revenue-Focused Approach

We optimize for conversion, not just design. A/B testing, CRO best practices, checkout optimization, abandoned cart recovery. Generated $50M+ in online sales for clients.

🔌 Integration Expertise

Seamless integration with ERPs (SAP, Oracle, Microsoft Dynamics), payment gateways, shipping carriers, accounting software (QuickBooks, Xero), CRMs (Salesforce, HubSpot).

⚡ Performance-Obsessed

Core Web Vitals optimization, CDN configuration, image optimization, lazy loading, caching strategies. 95+ Lighthouse scores. Sub-2-second page loads.

🛡️ Security & Compliance

PCI DSS compliance, GDPR/CCPA implementation, regular security audits, SSL/TLS encryption, fraud prevention, DDoS protection. SOC 2 certified infrastructure.

📊 Data-Driven Decisions

Google Analytics 4 setup, enhanced e-commerce tracking, custom reporting dashboards, cohort analysis, attribution modeling. Make decisions based on data, not guesses.

Ready to Build Your E-commerce Platform?

Free consultation. No obligations. Get a custom proposal for your e-commerce project within 48 hours.

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