Headless E-commerce Architecture

An enterprise retail rebuild utilizing headless storefront integrations. Full infrastructural documentation, GitHub repos, and deployment workflows are available for private architecture review.

The constraint

A high-volume retail fashion brand experienced severe downtime during flash sales on legacy monolithic architecture. The requirement was a heavily scalable headless e-commerce build capable of handling 50k+ concurrent active checkouts with automated zero-downtime CI/CD deployments.

The architecture

Decoupled Headless Commerce storefront delivering sub-100ms hydration
Stateless microservices processing inventory mapping and fulfillment routing
Asynchronous real-time cart state managed via WebSocket protocols
Multi-zone redundant database clustered architectures with auto-failover

The outcome

Demonstrated 0% downtime across sequential high-stress retail flash sale events
Significant infrastructure cost reductions via serverless edge compute optimization
Fully automated inventory synchronization with existing external ERP endpoints

Core technologies

Next.js · NestJS · PostgreSQL · Redis · Headless Commerce APIs

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Case study (NDA protected)