Datadog

Software Engineer Interview Experience - France

September 5, 2025

Positive ExperienceNo Response

Process

2 coding questions:

LeetCode-like, but adapted to business.
One question per interview with follow-ups (either a discussion or an added complexity to the initial question).

1 system design question

1 behavioral interview

Questions

Tell me a time you had a conflict with a colleague.

Interview Statistics

The following metrics were computed from 59 interview experiences for the Datadog Software Engineer role in France.

Success Rate

31%

Pass Rate

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

Experience Rating

Positive53%

Neutral29%

Negative19%

Candidates reported having very good feelings for Datadog's Software Engineer interview process in France.

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