I applied through an employee referral. I interviewed at C3 AI in Aug 2020
Interview
Multiround 6-8 interview process. Phone screen first, then online hackerrank screen, then behavioral, then technical, then I failed out. Got tripped up on “The Rainfall problem.” Should have gotten it but was caught off guard. They told me to study how to build a data plot and graph on plotly lib, then tossed me a curveball. Not gonna lie, I was a little irritated that the question had nothing to do with what I was told to prep. Other interview questions were related to sorting an array, djikstras alg, and just general leet code stuff. Very long interview process.
Interview questions [1]
Question 1
“The Social Network” social graphs leet code problem.
The “Rainfall” leet code problem.
The “Photo album” leet code problem.
“Product sort” hackerrank problem.
“Count String permutations” hackerrank problem.
“Simple Customer Support Ticketing” hackerrank problem. This one was tricky and involved a lot of parsing.
3 Rounds.
(INTERVIEW IS HELD IN ENGLISH)
1st Round: Screening, talk about your cv, study enough to have mastery over the subjects your projects cover. Investigate company values, why you want to join.
2nd Round: 60 min technical live coding interview. Depending on position it ranges from a leetcode medium to a hard.
3rd Round: Didnt get thru, Ive heard its a intro systems design interview.
Interview questions [1]
Question 1
Leetcode medium, string manipulation type of question.
Technical interviews, they ask coding and algorithmic problems, there is also a soft skills section with STAR like questions. Results come back fast, which I think was nice. Usually there are three rounds of interviews
I applied online. The process took 4 weeks. I interviewed at C3 AI (Guadalajara, Jalisco) in Apr 2025
Interview
1 Entrevista de screening donde te piden que te presentes, expliques tu experiencia entre otras cosas, nada técnico. Despues de esta, 3 entrevistas técnicas tipo LeetCode (Medium - Hard). La primera entrevista fue en español y las 3 técnicas en inglés.
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