I applied through college or university. I interviewed at Vertica (Pittsburgh, PA) in Oct 2015
Interview
first round is OA, an engineer gave me a question let me solve it within two hours.
then Phone Call, one coding question.
Finally is Onsite consisting 4 round; first round is coding question, second round is data structure design, third one is system design (use map reduce), finally is pure algorithm and data structure.
Interview questions [1]
Question 1
How to sort a file just containing integers that cannot fit into memory.
How to do given two arrays, A,B containing only integers, do join operation: return index pairs <i,j>, where A[i] = B[j]
Find peak element in an array that increasing then decreasing.
The interviews were a System design interview And a discussion about the Vertica architecture. They also gave a take home assignment. Overall very positive interview and very interesting interview topics
I applied through an employee referral. I interviewed at Vertica (Boston, MA) in Jun 2019
Interview
1. Initial phone screen with general behavioral questions
2. Coding challenge sent over email to be completed in Java, Python, or C++
3. On site interview with coding, software engineering, design and whiteboarding
Interview questions [1]
Question 1
For the coding challenge they sent a program to be debugged so it would run faster. Find the most expensive computations in the program and optimize.
I applied through college or university. I interviewed at Vertica (Pitts, PA) in Feb 2016
Interview
First round is an OA with some description.
Then came the phone interview, which is not too hard.
The third round is onsite in Pittsburgh, two round for general
questions and later two round with coding.
Software Engineer applicants have rated the interview process at Vertica with 2.9 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 88% positive. To compare, the company-average is 68% positive. This is according to Glassdoor user ratings.
Common stages of the interview process at Vertica as a Software Engineer according to 8 Glassdoor interviews include:
Phone interview: 42%
Skills test: 25%
One on one interview: 17%
Presentation: 8%
Group panel interview: 8%
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