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Watch how to build a production grade financial analyst assistant using Vertex AI and Gemini 3 in less than 10 minutes. Googlers Shubham Saboo and Colby Hawker demonstrate how to go from a PDF earnings report to a working application without writing a single line of code. This tutorial covers the new "vibe coding" build feature in Vertex AI Studio, allowing you to generate working code instantly.

1️⃣ Start building immediately in "Express mode" without a credit card or Google Cloud account.
2️⃣ Use the new "/build" command to instantly generate a working application from prompt instructions.
3️⃣ Leverage built-in AI agents to optimize prompts for production ready JSON output.
4️⃣ Scale from prototype to production with secure, one click API key generation.
*Keep in mind that Express Mode access is still in preview and not universally accessible.

Chapters:
0:00 - Intro: Building a financial analyst assistant
0:30 - The developer friction problem
1:12 - Use case: Converting PDF data to diagrams
1:58 - Getting started with Vertex AI Studio 
2:59 - The "trial and error" prompting loop
4:00 - Optimizing prompts with slash commands
5:21 - Automating response evaluation
5:41 - Generating code & API keys instantly
6:40 - Building the full app with /build
6:53 - Scaling to sophisticated agents with tools
7:54 - Moving to production & team collaboration
9:13 - Recap

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Speakers: Shubham Saboo, Colby Hawker
Products Mentioned: Vertex AI Studio, Gemini 3

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Vertex AI Studio enables developers to build AI-powered applications without initial setup, billing, or cloud configuration. The platform provides an integrated AI agent that optimizes prompts automatically, generates production-ready code with one click, and includes built-in evaluation tools. Developers can start in express mode for rapid prototyping, then seamlessly transition to full GCP projects with team collaboration, version control, and enterprise governance features. The demonstration shows building a financial analyst agent that extracts structured data from PDFs and generates JSON output for visualization.

How to build a financial analyst assistant with Vertex AI Studio & Gemini in under 10 minutes