Zscaler Software Engineer interview: networking to system design

After a recruiter touchpoint, I had a focused first technical round. It opened with networking questions, moved to two coding problems, and then shifted to an open-ended system-design prompt. The system-design part was the hardest to get my head around. The interviewer did not feel encouraging or helpful while I was trying to organize an approach. Compared with that, the coding portion was manage…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.