Datadog Software Engineer Interview Questions
10+ Datadog Software Engineer interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the Datadog Software Engineer loop: OA, phone screen, system design, behavioral, and onsite coding.
What to Expect in the Datadog Software Engineer Interview
The Datadog Software Engineer interview process typically runs 4 to 6 rounds depending on seniority level. Based on candidate reports in the LeakCode database, the loop usually includes a resume review, an online assessment or coding phone screen, one or more technical rounds, a system design round (for senior and above), and a behavioral or values round.
Difficulty skews toward medium and hard LeetCode-style problems in the coding rounds. System design questions test breadth (component selection, scaling, trade-off reasoning) more than deep implementation. Behavioral questions are tied to the company's stated values and principles.
Datadog Software Engineer Questions (Sample)
Datadog Senior SDE Onsite Interview Experience and Coding Focus
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 mentione
datadog onsite interview experience for software engineer position
ai coding， 题很简单，写query client连雪花拿数据， start query和get query status。用Claude code很快可以写出来，follow up是secret management和batch。 如果有用请加米！
Datadog Fulltime Software Engineer Onsite Interview Experience
There are four rounds in total. Because I also have to work, it's scheduled for two consecutive days. The following content requires a score higher than 188. You can already view it. 1. Coding Reverse
Datadog Software Engineer Tech Phone Screen Classic Problems
Two classic problems The following content requires a score higher than 188. You can already view it. 1. Given a `bucket_size` and a `bucket_width`, and a set of input numbers, return the number of nu
Datadog | SSE | Screening Round | Paris
Given a paragraph, extract number of words which are repeated and give the output of total number of repetitions. 2. Given a tree, (different class structure was there , but...
Datadog tech screening
Sharing the questions I got for Datadog tech screen and the solution I used in the interview. For both the problems the expectation is to run at least one test...
#211 Design Add and Search Words Data Structure
LeetCode #211: Design Add and Search Words Data Structure. Difficulty: Medium. Topics: String, Depth-First Search, Design, Trie. Asked at Datadog in the last 6 months.
#819 Most Common Word
LeetCode #819: Most Common Word. Difficulty: Easy. Topics: Array, Hash Table, String, Counting. Asked at Datadog in the last 6 months.
#1229 Meeting Scheduler
LeetCode #1229: Meeting Scheduler. Difficulty: Medium. Topics: Array, Two Pointers, Sorting. Asked at Datadog in the last 6 months.
#322 Coin Change
LeetCode #322: Coin Change. Difficulty: Medium. Topics: Array, Dynamic Programming, Breadth-First Search. Asked at Datadog in the last 6 months.
Difficulty Breakdown
3
medium
2
easy
1
hard
Based on 10 questions with difficulty labels from candidate reports.
Interview Rounds
Here is how the Datadog Software Engineer questions in the LeakCode database break down by interview round, based on what candidates reported:
| Round | Questions in Database |
|---|---|
| coding | 4 |
| onsite | 3 |
| phone screen | 1 |
Most Common Topics
Question Recency
2
2026
4
2025
Question counts by interview year, based on candidate-reported dates.
How to Prepare for the Datadog Software Engineer Interview
Use the LeakCode question database as your primary research tool. Filter by role (Software Engineer), then by round type to focus your prep on the specific stages in your upcoming loop. Sort by recency to see what 2026 candidates actually faced.
- Start with questions from the last 12 months. Interview processes change and recent data is the strongest signal.
- Cross-reference questions that appear in multiple sources (1p3a, Blind, Glassdoor). Multi-source confirmation means a question has stronger recurrence probability.
- For system design rounds: focus on the question patterns, not individual questions. The same design principles recur across many prompts.
- For behavioral rounds: map your experiences to the company's stated values before the interview. Most behavioral questions at top companies are derivatives of a small set of core leadership competencies.
FAQ
How many Datadog Software Engineer questions are in the database?
10+ questions from verified candidate reports. The count grows as new reports are scraped daily from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode.
Are these questions from real Datadog interviews?
Yes. All questions are sourced from actual candidate interview reports, not generated by AI. Each entry links back to its source URL where available, and questions are tagged with the year and round reported by the candidate.
How current is this data?
LeakCode updates daily. The database is filtered to exclude duplicate and low-quality entries. You can filter by interview year to focus on recent cycles.
Does LeakCode cover Datadog OA questions specifically?
Yes. The database includes online assessment questions tagged with round type. See the Datadog OA page for a dedicated view.
Related: Datadog All Questions · Datadog OA Questions · Browse All Companies · Data Sources