Datadog Backend Engineer interview experience

The interviewer asked me about my experience, what I’d built before, and the tech stack I’d worked with. We also spent time on the product—she was curious about how I thought about the flow and asked me to walk through it end to end. It felt pretty welcoming, and I appreciated that my notice period could be flexible and that I could choose from different work locations.

After that, I moved to a first technical round that was very leetcode-style, easy-to-medium range. I had an hour to solve two problems, and the expectation was that I’d explain my algorithm, including why I chose specific