Datadog·Software Engineer

Datadog Software Engineer interview experience

No offer

Hard

Positive

SpainPosted May 2026 · Candidate report, summarized by Dataford

My process started with a coding exercise that wasn’t a standard LeetCode prompt—it was more like an actual day-to-day problem relevant to the work.

After that, I hit an Agent Design round that went deep into pipeline architecture and more systems-adjacent knowledge, including Linux internals and fault tolerance. That set a higher bar than I expected, because it wasn’t just asking for “know the algorithm,” it was asking how I’d reason about reliability.

Next came an AI coding round where they watched both how I worked and how I thought, not simply whether I arrived at the right end state. After the AI-heavy portion, I went into a hiring-manager round that dug into a past project and then shifted into behavioral questions. It felt like

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