Not all internships are created equal.
Select the ecosystem that fits your code.
Google. Microsoft. Amazon.
They optimize for scale. They require DSA mastery and algorithmic perfection.
YCombinator. Series A.
They optimize for speed. They don't care about grades; they care about your GitHub commit history.
IITs. DRDO. ISRO.
They optimize for depth. Ideal for future PhDs. It’s about mathematics, not production code.