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 through a recruiter. The process took 5 weeks. I interviewed at Datadog (New York, NY) in Oct 2025
Interview
The process was very smooth and organized. It wasn't long with only two interviews and the communication was good between recruiter too. There was one behavioral and one technical, but before that you have to pass the OA.
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.