Katkat
Online Assessment

A 60-Minute Payment State-Machine OA

StripeSoftware Engineer · New Grad · Online Assessment · Aug 2026

Stripe new grad SWE OA. I did it about a week ago, and my memory is a little hazy. It was basically a state machine + OOP. Sharing this to save everyone some time. 60 minutes, progressing through levels. Nothing difficult algorithmically, but there really was a lot of code to write. A payment system, using command-line-style instructions. One detail worth mentioning: every command has the same nu…

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