E-commerce Strategy

Industry context

• VN e-com 2026: Shopee, Lazada, Tiki, Sendo dominant.
• Live commerce growing.
• Cross-border (China import).
• Logistics integration heavy.

Test priorities

• Checkout flow — critical path.
• Search & discovery — recommendation, ranking.
• Catalog — millions SKU.
• Payment — multiple providers (COD, MoMo, VNPAY, card).
• Logistics — tracking, return.
• Promotion — voucher, flash sale.
• Live stream — concurrent viewer.

Critical scenarios

• Add to cart → checkout → pay.
• Out-of-stock during checkout.
• Voucher apply edge case.
• Multiple items different shipping origin.
• COD on delivery.
• Refund processing.
• Live shopping cart sync.

Tet & Black Friday

• Pre-event load test 10× normal.
• Feature freeze 2 weeks before.
• War room day-of, on-call 24/7.
• Post-event retro.

Mobile + Web parity

• 70%+ traffic mobile.
• Test both extensively.
• Mobile web vs app feature parity decision.

Personalization & ML

• Recommendation engine A/B test.
• Search ranking quality (relevance score).
• Bias detection (gender, demographic).

Inventory accuracy

• Real-time inventory critical.
• Race condition: 2 user buy last item.
• Reservation timeout.

Anti-fraud

• Test fake order detection.
• Multi-account abuse.
• Voucher abuse.
• Refund abuse.

VN context

• ShopeeFood: GrabFood: BeFood QA team specific food delivery.
• Tiki QA known for strong quality bar VN.
• Logistics partner (GHN, GHTK) integration test essential.

SLO

• Search p95 < 300ms.
• Cart action p95 < 500ms.
• Checkout p95 < 1s.
• Search relevance NDCG > 0.8.