Interview experiences · Snapchat
Snapchat Senior Software Engineer Interview Experience — LRU Cache and Thread Safety
In progressTech screenInterviewed 2026-08
Here is my Snap senior phone screen. It started immediately with behavioral questions. It looks like I still need to keep a few short stories ready in my regular preparation, since I have heard that the quality of the behavioral answers carries weight in the evaluation. The coding question was the classic LRU Cache problem. I had to be careful with the boundary cases while implementing it. The fo…
Here is my Snap senior phone screen.
It started immediately with behavioral questions. It looks like I still need to keep a few short stories ready in my regular preparation, since I have heard that the quality of the behavioral answers carries weight in the evaluation.
The coding question was the classic LRU Cache problem. I had to be careful with the boundary cases while implementing it. The follow-up asked how I would make the solution thread-safe.
I hope I passed.
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