Katkat
Onsite

LeetCode Rounds Then a RAG System Design

MicrosoftMachine Learning Engineer · Onsite · Jun 2026

Round 1 The first round was a classic array-processing problem: LeetCode 56 (Merge Intervals). Overall it wasn't too hard — mostly testing fundamentals. The core idea is to sort by interval start, then walk through and merge the overlapping ranges. What actually separates candidates is how "Pythonic" the code is and how you handle edge cases — things like sorting elegantly with a lambda, or handl…

Shared by a candidate · reported Jun 2026. Interview formats change; use it as a guide, not a script.