I applied online. The process took 4 weeks. I interviewed at Datadog in Oct 2025
Interview
Online Assessment (OA): Received a HackerRank link. Standard algorithmic problems. Leetcode Easy/Medium
Recruiter Screen: A 30-minute call with HR. Mostly behavioral questions, going over my background, and checking my interest in Datadog.
Technical Interview:
- 20-minute Resume discussion. Deep dive inside a project you've worked on. Use STAR method.
- 40-minute live coding session. The interviewer was friendly but expected clean code and good communication. 2 Leetcode Medium.
- 10-minute discussion to wrap the interview and ask questions to the interviewer.
Team Matching: Once you pass the technical bar, you meet with a specific team. It’s a mix of technical discussion and "vibe check" to see if you fit the team culture and expectations.
The hardest part was the technical interview, the interviewer emphasizes how important the communication part is.
Easy questions, they asked in-depth questions about a project that I had to verbally present. Then, they asked 3 leetcode style questions, around leetcode easy to medium. They asked me to explain the time complexity of my solutions, and they were very kind when I made mistakes
I applied online. I interviewed at Datadog (Paris) in Jan 2026
Interview
J’ai passé un entretien RH sur mon parcours et mes objectifs. L’échange était détendu. Suite à cela, un entretien technique a été planifié pour le lendemain afin d’évaluer mes compétences techniques.
Interview questions [1]
Question 1
Des problèmes leet code classiques (niveau facile)
The interview process consists of a coding game a one-hour live coding interview and a final team-matching interview to assess technical skills, problem-solving ability and overall fit. The interview process consists of a coding game a one-hour live coding interview and a final team-matching interview to assess technical skills, problem-solving ability and overall fit.
