A Google Cloud engineer just demonstrated how far you can take Claude when building an app from the ground up. During a 26 minute live coding session on stage, he walked through an entire workflow showing how one person can go from an initial idea to a working, deployed application with Claude. It started with simple hand drawn sketches and moved through wireframes, Plan Mode, parallel sub agents, security checks, and finally deployment on Cloud Run. The workflow can be broken down into a few key roles: • Think like a product manager: Give Claude the sketches, turn them into wireframes, and define what needs to be built. • Think like a designer: Use Plan Mode to work through the architecture and components before jumping into code. • Think like an engineer: Run multiple sub agents in parallel to handle services like Cloud Run, Firestore, and BigQuery. • Think like a security engineer: Use /security-review to identify missing validations, make the necessary fixes, and prepare the ...