WooCommerce Kids Fashion Store — Custom Theme, CRM & TMS Integration

WordPress / WooCommerce Developer ·VN

High-volume kids fashion storefront on WooCommerce and Flatsome: 3,000+ SKUs, 100+ orders per day, and bidirectional sync with KiotViet (CRM) and Giao Hang Tiet Kiem (TMS) through a custom integration layer with retries, dead-letter handling, and Vietnam administrative address mapping.

Kids fashion WooCommerce category and product pages on desktop and mobile

Challenge

  • Greenfield store scaling to 3,000+ SKUs and 100+ orders per day with custom catalog, checkout, and mobile UX
  • Reliable two-way sync with KiotViet (inventory, orders, customers) and Giao Hang Tiet Kiem (shipping labels, tracking) without duplicate or lost events
  • Map WooCommerce data to external schemas, handle failures safely, and align checkout addresses with Vietnam’s new administrative divisions
  • Strong performance and SEO from launch under real order volume

What I did

  • Developed full WooCommerce site with custom theme extended from Flatsome for a 3,000+ SKU catalog
  • Built advanced product pages, category layouts, and checkout optimizations for 100+ daily orders
  • Integrated KiotViet (CRM) and Giao Hang Tiet Kiem (TMS) via secure custom REST APIs and webhooks
  • Implemented a data mapping and transformation layer between WooCommerce and external systems
  • Added retry mechanism, dead letter queue, idempotency layer, and sync state tracking for integration jobs
  • Built an address mapping system for Vietnam’s new administrative divisions at checkout and in sync payloads
  • Optimized performance with WP Fastest Cache — 95+ desktop PageSpeed with strong mobile scores
  • Applied comprehensive SEO and mobile-first responsive design

Results

  • Production-ready kids fashion store supporting 3,000+ SKUs and 100+ orders per day
  • Live KiotViet and Giao Hang Tiet Kiem sync with resilient, observable integration pipelines
  • Fewer failed or duplicate syncs via idempotency, retries, and dead-letter recovery
  • Checkout and TMS payloads aligned with Vietnam’s updated address structure
  • 95+ Google PageSpeed on desktop with mobile-first, SEO-optimized catalog and checkout

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