Grab operates in 8 SE Asian countries. Rides, food delivery, payments, financial services. Multi-region architecture with heavy regulatory + language variation.
Multi-region deployment
Data residency laws force per-country deployments. Singapore, Indonesia, Vietnam, etc. Each with own DB + compliance.
Multi-region deployment
Data residency laws force per-country deployments. Singapore, Indonesia, Vietnam, etc. Each with own DB + compliance.
Super-app shell
One app for rides, food, groceries, payments. Loosely coupled services behind. Each surfaces via 'mini-apps' pattern.
GrabPay as glue
Wallet used across all Grab services. Non-Grab merchants too. Financial services built on top of wallet.
Localization
8 languages + local payment methods + local regulations. Massive complexity vs single-market apps.
Fraud + trust
Ride safety, food quality, payment fraud all central. ML models per region — patterns differ by market.