Glassdoor users rated their interview experience at Zello as 100% positive with a difficulty rating score of 3 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Data Analyst Intern and rated their interviews as the hardest, whereas interviews for Data Analyst Intern and roles were rated as the easiest.
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I applied online. The process took 3 weeks. I interviewed at Zello (Austin, TX) in Apr 2025
Interview
First round was a quick 20~30 min call with the recruiter. Second round was an 45~60 mins call with a hiring manager. Last round was a technical interview with two of the analysts with SQL and Python interviews.
Interview questions [1]
Question 1
Basic Python (pandas, sklearn) for the technical Interview. Data processing and simple regression task.
I applied through an employee referral. The process took 1 week. I interviewed at Zello (Austin, TX) in Mar 2022
Interview
1) a call with a team member where we first discussed my experience and then I was given a coding task to complete in one hour, off the call. In an hour we had another call and discussed my results.
2) a call with the CTO where we discussed my experience and the company
3) a call with the CEO
Interview questions [1]
Question 1
do a coding task in one hour, off the call, then call back and show your results
Had a recruiter call first which was more about my experiences and such. Then I was contacted for the hiring manager round, where it was more about resume and technical aspects I was involved in.