Software Engineer applicants have rated the interview process at Zscaler with 3.1 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 47% positive. To compare, the company-average is 53.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Software Engineer roles take an average of 18 days to get hired, when considering 18 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 Engineer according to 18 Glassdoor interviews include:
Phone interview: 23%
One on one interview: 23%
Presentation: 17%
IQ intelligence test: 10%
Skills test: 10%
Other: 7%
Background check: 3%
Drug test: 3%
Personality test: 3%
Here are the most commonly searched roles for interview reports -
I applied online. I interviewed at Zscaler (San Francisco, CA) in Jan 2019
Interview
Process took 6 months, I got a call back after applying online after 4 months.
Interview screening took place then interview with the hiring manager.
Both interviews were taken on phone.
No Onsite.
Interview questions [1]
Question 1
Tell me about yourself?
What you do in your current job position?
What books have you read on software engineering that you would recommend to someone in the business?
How do you make sure that your code can handle different kinds of error situations?
How do you find an error in a large file with code that you cannot step through?
How do you design scalable applications? Walk us through your process.
What is the most challenging task that you have performed so far?
I cleared the online test and after that 20 students were shortlisted and interview process was of 3-4 rounds in 1st round they asked me about Operating System and Computer Networks.
Interview questions [1]
Question 1
Questions Related to IPV4 and Operating System Round Robin Schedulung
I applied through a recruiter. I interviewed at Zscaler (Tel Aviv-Yafo)
Interview
I went through the all process.
step 1: Intro Zoom chat with the team lead.
then, 3 technical interviews on site. Design + Leetcode. the design questions were DB-oriented, and the leet code question was find min in the stack in O(1) and LRU Cache.
after 3 technical interviews, I had an interview with the r&d director and HR. After more than a week with no response, I reached out to them and it took them a while to respond they won't give me an offer, Really disrespectful that they kept me on hold and told them so long to give me a response.
I applied online. The process took 2 weeks. I interviewed at Zscaler (Gurgaon, Haryana) in Feb 2025
Interview
Firstly a oa round was held and then two leetcode medium questions was ask in 1 round and again there was technical interview and then there was hr round where basic behavioural question were asked