Datadog

Software Engineer (Internship) Interview Experience

October 1, 2025

Positive ExperienceNo Offer

Process

First step: 1h Hackerank assignment (2 LeetCode problems)

Second step: Call with recruiter

Third step: 1h15 technical interview (first part: description of a project, second part: 2 LeetCode problems in live coding (40 minutes))

Fourth step: Internal team matching

Questions

Describe a project (personal or professional).

Interview Statistics

The following metrics were computed from 38 interview experiences for the Datadog Software Engineer (Internship) role.

Success Rate

42%

Pass Rate

Datadog's interview process for their Software Engineer (Internship) roles is fairly selective, failing a large portion of engineers who go through it.

Experience Rating

Positive89%

Neutral5%

Negative5%

Candidates reported having very good feelings for Datadog's Software Engineer (Internship) interview process.

Datadog Interview Questions

Coin Change

Medium

Given a set of coin denominations and a target amount, find the minimum number of coins needed to reach that amount. You can assume you have an unlimited supply of each coin type.

ArraysDynamic Programming

Most Common Word

Easy

Find the most frequent word in a given paragraph, excluding a list of banned words. Return the most common word after performing case-insensitive comparison and removing punctuation.

ArraysStrings

Maximum Depth of N-ary Tree

Easy

Find the maximum depth (number of nodes along the longest path from the root) of an N-ary tree. Each node can have multiple children.

TreesRecursion