Onsite

Three Coding Rounds, One Rough System Design

PinterestSoftware Engineer · Onsite · Sep 2025

Overall it wasn't too hard — three coding rounds, one system design round, and one BQ round — but the system design round was really brutal... Here are the details: Coding: I'd never seen this one before. They give you a pre-written class that has a next() function — each call returns a string, roughly like this: "one//ntw", "o//n", "three//nfour", "//nfi", "ve" You're supposed to write your own…

Shared by a candidate · reported Sep 2025. Interview formats change; use it as a guide, not a script.