Why I’m Starting to Love TypeScript Over JavaScript
A practical comparison showing why TypeScript improves clarity, safety, and refactoring for backend engineering.
Aaditya Binod Yadav
Distributed Backend Engineer
I’ve written a fair share of scalable backend code in JavaScript, and while it works well, I recently made the shift to TypeScript and I can honestly say, it’s changed the way I think about backend architecture.
To explain why, here’s a practical comparison between two versions of the same MongoDB database manager: one in JavaScript (with classes, singleton pattern, and good practices) and one in TypeScript.
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My Takeaways
Even though both versions do the same thing, here’s what stood out when I worked with the TypeScript version:
Clarity through Types TypeScript makes the shape of the config object, the return types, and the injected dependencies crystal clear. No guesswork, no assumptions.
Compile-Time Safety With TS, I catch errors before they even run. Miss a property? Use the wrong method? The compiler tells me.
Intelligent Auto-Completion Thanks to type declarations, I get rich IntelliSense in VS Code which means I write code faster, and with fewer bugs.
Interfaces and Contracts When other developers (or future me) use this class, they know exactly what inputs it expects and what it returns.
Cleaner Refactoring Changing a field name in TypeScript updates everywhere automatically (or gives you compile errors). In JS, you’re left praying you caught them all.
I used to think TypeScript was “just extra typing.” Now I realize it’s a development safety net, a productivity booster, and a long-term investment in code quality.
Even with best practices in JavaScript, you’re still relying on runtime checks and discipline. TypeScript enforces structure at the language level, and that makes it worth every bit of the learning curve, being a CE student.
Aaditya B. Yadav
Coding Typescript JavaScript
Aaditya Binod Yadav Written by Aaditya Binod Yadav 1 follower · 1 following Computer Engineer at making!
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