Software Developer - Internship applicants have rated the interview process at Zscaler with 2.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 33% positive. To compare, the company-average is 53.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Software Developer - Internship roles take an average of 21 days to get hired, when considering 3 user submitted interviews for this role. To compare, the hiring process at Zscaler overall takes an average of 32 days.
Common stages of the interview process at Zscaler as a Software Developer - Internship according to 3 Glassdoor interviews include:
Phone interview: 50%
Presentation: 17%
One on one interview: 17%
Skills test: 17%
Here are the most commonly searched roles for interview reports -
I applied online. I interviewed at Zscaler (Bengaluru) in Dec 2025
Interview
Here’s how the process went:
🧠 Online Assessment (9 Nov 2025)
The test had two sections:
• A DSA/backend section where we could use our preferred language (I chose C++)
• A mandatory Python section
The questions were medium to hard level and focused on problem-solving and core DSA concepts. I was happy to clear this round.
🏢 Pre-Interview Sessions (18–19 Nov)
We had sessions about Zscaler’s journey and the interview process. This gave a good idea about the company and what they look for in candidates.
💻 Technical Interview (28 Nov 2025)
This round was with Narciso Luque and lasted around 75 minutes.
It mainly focused on DSA and problem-solving at a medium level. The interviewer was very friendly and made the discussion comfortable, which helped me think more clearly. I really enjoyed this round and was glad to move forward.
🗣️ HR / Managerial Round (1 Dec 2025)
This round was with Constantin Miroslav and focused on behavioral questions. Most of the discussion was about how I handled real-life challenges and situations in the past. I was a bit nervous, but the interviewer helped me feel at ease.
Positive experience
Average interview
Application
I applied online. The process took 1 day. I interviewed at Zscaler (Bengaluru) in Oct 2025
Interview
i was told to attend the coding test and i contained some 3 to 4 questions.
They were basically based on topics such has graph , dynamic programming , trees etc. we can attend the questions in any one of the languages , such as python, java , c++ etc.