Ecommerce Platform
Full-stack headless commerce engine with optimistic cart state, Stripe checkout, and inventory concurrency control.
Production Metrics & KPIs
Validated System Telemetry
Problem Statement & Scope
The Architectural Vector
A production headless e-commerce architecture engineered for conversion and speed. Features an instant optimistic cart, webhook-resilient Stripe payment processing, real-time inventory decrementing with database row locks, and a comprehensive admin management suite.
3 Deep Technical Challenges Overcome
Preventing race conditions and overselling during high-concurrency flash sales using row-level locking.
Handling asynchronous Stripe webhook retries and idempotent transaction recording.
Optimizing responsive product image delivery with Next.js modern WebP/AVIF transformations.
System Design Breakdown
Architecture Specifications & Hardware Primitives
Optimistic client cart state + Next.js Server Actions
Vercel Edge Network + ISR (Incremental Static Regeneration) for product catalog
PostgreSQL with row-level locks on stock counters during checkout
Stripe webhook signature validation + PCI-DSS compliant tokenization
Tested under simulated 500 concurrent checkout sessions with zero inventory discrepancies.
Achieved sub-50ms cart interactions with optimistic state management.