Datadog interview

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datadog
Senior SDE
January 6, 20265 reads

Summary

I had an opportunity to interview with Datadog for a Senior SDE position, where I encountered a coding question on Query Log matching and a System Design question on designing Reddit r/place.

Full Experience

Had an opportunity to interview with Datadog for Senior SDE. Don't remember all exact questions, but all of them were mentioned here, highly recommend to go through all posts where company is mentioned. What remember:

Expectations from coding - running code, that passes tests that you write by yourself + what interviewer would suggest. You can run\debug (with logs) code as much as you want.

Interview Questions (2)

Q1
Query Log Match
Data Structures & Algorithms

I was asked a coding problem related to Query Log matching. The full problem description is available at the provided link.

Q2
Design Reddit r/place
System Design

For the System Design round, I was given the exact question to design a system similar to Reddit's r/place. The detailed problem statement can be found at the provided link.

Preparation Tips

I recommend going through all posts where Datadog is mentioned, as all my questions were derived from previously shared experiences.

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