E-Commerce Platform Development

Software Engineering — .NET Core, Kubernetes, PostgreSQL, React, SAP Retail

A comprehensive e-commerce platform modernization project for a mid-size retailer, featuring phased migration from monolithic architecture to microservices while maintaining critical SAP Retail system integration for inventory and order management.

Challenge

Mid-size retail company with legacy SAP Retail system experienced frequent performance issues during traffic spikes, leading to slow page loads, system crashes, and high cart abandonment rates. The monolithic architecture couldn't scale effectively, while tight SAP integration requirements complicated any modernization efforts.

Solution

Implemented phased migration to microservices architecture using .NET Core and Kubernetes, maintaining SAP Retail backend integration while building new scalable frontend and API layer. Gradual rollout approach ensured business continuity throughout the 20-week transformation.

Technical Details

  • Frontend: React 18, Redux Toolkit, TypeScript, PWA
  • Backend: .NET Core 6, Docker containers, RabbitMQ, SAP RFC integration
  • Database: PostgreSQL, Redis cache, Elasticsearch
  • Infrastructure: Kubernetes, Docker, Azure Cloud, SAP integration middleware
  • Integrations: SAP Retail (MM, SD modules), payment gateways, shipping APIs, CRM systems

Key Features

  • Microservices architecture with SAP Retail integration layer
  • Advanced caching with Redis for improved response times
  • Real-time inventory sync with SAP backend systems
  • Kubernetes orchestration for auto-scaling capabilities
  • Progressive web app for enhanced mobile experience
  • Phased rollout with feature flags and A/B testing

Results

  • Maintained 99.5% uptime during Black Friday peak traffic
  • 18% increase in checkout completion rates
  • 65% improvement in page load speeds
  • 30% reduction in infrastructure costs through efficient scaling
  • Seamless SAP Retail integration with improved performance

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