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You have mastered React, Performance, State, and Security. In this final module, we focus on the **Big Picture**. A Frontend Architect doesn't just write code; they design systems that survive for years.
Question: "Design a real-time collaborative dashboard like Trello for 1 million users."
Architect Answer: "I would use **Next.js** for SEO on the landing pages, but a **Vite SPA** for the actual dashboard to minimize overhead. State would be in **Zustand** with **Optimistic Updates** handled by **React Query**. For the real-time part, I'd use **WebSockets with Redis Pub/Sub** on the backend. I'd virtualize the task lists using `tanstack-virtual` and use **Code Splitting** to ensure each board only loads the specific widgets it needs."
The frontend world moves fast. Don't chase every shiny new library. Focus on the Fundamentals: DOM, CSS, JS Engines, and Network Protocols. If you understand these, you can master any framework in a weekend.
The web is your canvas. Go build something that changes the world.
Quizzes linked to this course—pass to earn certificates.
On this page
1. The "System Design" Prompt 2. Continuous Evolution