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I learned PHP first and built real projects with it. Then I switched to Python and Django. Here is an honest code-level comparison of both, and when to choose each.

Scalability is not something you bolt on at the end. Here are the architectural principles and practical patterns I apply when designing backend systems that need to grow.

Express is minimal by design, which means you have to make all the right decisions yourself. Here is how I structure production-grade REST APIs in Node.js.