ServiceNow·Software Engineer

ServiceNow Software Engineer interview experience

No offer

Hard

Positive

IndiaPosted Dec 2025 · Candidate report, summarized by Dataford

My process started with a coding round where the very first problem was the “path sum” style question on a binary tree.

I was given the root of the tree and an integer target sum, and I had to count how many downward paths had values adding up exactly to that target. The path didn’t have to begin at the root or end at a leaf; the only constraint was that it had to move from parent to child.

It felt like a solid DSA warm-up but still genuinely hard, because I needed to get the counting logic right rather than just find a single path. I remember focusing on handling all starting points in the tree while ensuring the sums matched the target as I traversed. Overall the difficulty stayed high throughout that

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