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      Datadog

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      Senior Software Engineer Interview

      Jun 15, 2026
      Anonymous employee
      Paris
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Datadog (Paris) in Feb 2026

      Interview

      Standard FAANG-like process. Had two coding interviews, then one distributed system design, one behavioral and a project review where you have to talk about a project you have worked on in the past.

      Interview questions [1]

      Question 1

      Can't reveal, but standard coding and system design
      Answer question

      Other Senior Software Engineer Interview Reviews for Datadog

      Senior Software Engineer Interview

      Jun 30, 2026
      Anonymous Interview Candidate
      Tel Aviv-Yafo
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Datadog (Tel Aviv-Yafo) in Jun 2026

      Interview

      They will let you go through 3/4/5 sessions, an hour+ each, and then eventually won't even let you know you didn't pass (even after 3 weeks, yep) if you won't reach out manually. This is how much they care about candidates. Take that into consideration when you think about starting a process. Super disappointing.

      Interview questions [1]

      Question 1

      AI Coding Session Classic coding session System design Agentic System Design
      Answer question

      Senior Software Engineer Interview

      May 12, 2026
      Anonymous Interview Candidate
      No offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Datadog

      Interview

      The process is long, but I was accompanied by the HR recruiter, which was very helpful explaining the process and expectations. I reached the end of the process, but did not receive an offer. The process includes LLM design, live coding, AI assisted coding, Backend system design, experience & values. The hiring bar is high, prep well and do your best!! In the worst case, you will learn more :)

      Senior Software Engineer Interview

      May 6, 2026
      Anonymous Interview Candidate
      No offer
      Negative experience
      Easy interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Datadog in May 2026

      Interview

      I was approached by a recruiter about the role. The recruiter screen was below average — brief and surface-level, with little real discussion of the role or my background. Next up, the hiring manager screen was originally scheduled a week in advance and cancelled 3 hours before it was due to start due to a "calendar conflict." I rescheduled the same day, offering the next two available days. They picked the second — a Friday that happened to be a public holiday in my country — and the only available slots for an EU-based candidate were in the evening. I took the call at 8 PM on a holiday. The hiring manager joined 5 minutes late with no acknowledgement of either the reschedule or the delay, and no real introduction. The interview itself felt more like a recruiter screen — "tell me about yourself," brief questions about past experience — and lasted about 20 minutes before he seemed ready to wrap up, despite the meeting being scheduled for 45. I extended it to the full time with my own questions about the team's technical direction and roadmap. His closing line was roughly "thanks for chatting, bye" before hanging up. No follow-up came from Friday through Wednesday. I reached out asking for any update, and received a reply informing me the position had "just closed." Based on the hiring manager's demeanor during the interview, I suspect the role was effectively filled before or during our call — which raises questions about why the process continued at all. The recruiter was responsive and professional throughout. The rest of the process was not. If you're considering interviewing here, go in with calibrated expectations around communication and candidate experience.