Zscaler·Software Engineer

Zscaler Software Engineer interview experience

No offer

Medium

Positive

IndiaPosted Jun 2023 · Candidate report, summarized by Dataford

My interview started with the kind of basics-focused format that felt straightforward on paper: I had two technical interviews followed by a managerial discussion.

The timeline was fairly compact—about a week or two end to end—and each round ran roughly around an hour.

The technical questions leaned heavily into computer networking and operating-system concepts. I got pulled into topics like proxy-related networking fundamentals and security-style transport ideas (things around HTTP/S, TLS, and TCP came up), plus VPN-specific technologies. In another round, the questions went more practical and conceptual—basic networking topics and even things like what to look at with Wireshark—so it wasn’t just “define the term,” it was “connect the concept to how

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