This post hits the nail on the head!

That transition from "AI writes code" to "I need to evaluate if AI code can scale" is what truly separates junior devs from senior engineers."AI doesn't know your scale" — this line should be printed and posted on every dev's desk. It's so easy to overlook an $O(n^2)$ complexity when testing on mock datasets of 50–100 rows. The true cost of ignoring DSA/Complexity Analysis shows up only when production traffic hits.Great breakdown, Himanshu! Thanks for sharing this reality check (and for building tools like AlgorithmXlr8 & CodEyes to bridge this gap).