Met them at a job fair, had an on-campus interview at my university, after completing that they gave me the offer for the internship. The interview involved coding in C and then answering some follow up questions about cases I may have missed. I was asked what my favorite class was and then asked a somewhat difficult question about that class.
Interview questions [1]
Question 1
For both of the following questions, you were given the code for a node in the tree, which had data, parent, left, and right data fields. The interview was in C:
1. Given a root node of a binary search tree, find the smallest node in the tree.
2. Given a node in a binary search tree, find the next largest node in the tree.
I applied through college or university. I interviewed at Arista Networks (Burnaby, BC) in Feb 2026
Interview
2 questions using C, one about debugging a program, one leetcode easy question. Debugging question was quite low level (about memory alignment etc), leetcode was a linked list. Asked about resume projects/experiences too.
I applied online. I interviewed at Arista Networks (Dublin, Dublin) in Nov 2025
Interview
First round was a Hackerrank coding problem set that consisted of solving one problem to do with string manipulation. The problem was timed (42 min time limit) and the solution was reviewed by someone at Arista Networks.
Interview questions [1]
Question 1
How would you take a string containing random characters and manipulate it so that you output the string in blocks of 3 with only alphanumeric characters in it.
Interview started with a few questions about your resume/background and then went into technical questions from these fields. Majority of the interview was a coding technical with a find the bug problem and a leetcode medium.
