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How I Use Claude to Build Full-Stack Apps in Under 4 Hours — The Complete Workflow

DEV Community·Suifeng023·21 days ago
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Three months ago, I spent 3 weeks building a SaaS dashboard. Last week, I built a more complex one in 3 hours and 42 minutes — using Claude as my co-pilot. The difference wasn't just "using AI." It was a specific, repeatable workflow that eliminates the bottlenecks most developers hit when coding with AI. Here's exactly how I do it — step by step, with real prompts. The Problem: Most People Use AI Wrong I see developers making the same mistakes: ❌ Pasting entire codebases into Claude and hoping for the best ❌ Using vague prompts like "build me a dashboard" ❌ Not breaking down the problem before asking AI ❌ Copy-pasting AI output without understanding it ❌ Not using AI for the things it's actually best at The secret? AI is a junior developer that never sleeps, never gets bored, and has read every Stack Overflow answer ever written. But like any junior dev, it needs clear direction. My 4-Hour Framework I divide every project into 4 phases of ~1 hour each : Phase Time What AI Does What I Do 1.…

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