1p3a Experience · Feb 2026

Uber L4 Interview Experience: DSA, LLD, and Driver HeatMap HLD

SWE System Design Mid Easy

Interview Experience

Round 1 (DSA): Disjoint Set Union based question Round 2 (DSA): Number/string manipulation — focused on palindrome logic and edge cases. Round 3 (System Design, LLD): Classic design question around tr

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Topics

Sql Strings System Design Union Find

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