SD-WAN hybrid cloud with Transit Gateway, VPN, Direct Connect, and multi-cloud routing. The architecture, the cost model, and the failure modes your vendor won't tell you about.
156,000 active drivers. 5,200 location updates per second. 45 cities. Here's the multi-region architecture that keeps data consistent when networks lie to you.
A production-ready multi-environment VPC in CDK TypeScript. CIDR allocation, private endpoints for S3/DynamoDB, multi-AZ design, and the decision behind every choice.