I applied online. The process took 2 weeks. I interviewed at Arista Networks in Mar 2026
Interview
I applied for a C++ role. As far as I remeber, I could write code in either C or C++.
I made it to Round 1 of the interview process. The first exercise focused on lexicographical comparison. I’ll admit I was a bit slow at the start, but I managed to complete it in the end.
After I finished the first exercise, the interviewer decided not to proceed further with the interview, explaining that Round 2 would involve more challenging problems and that I wasn’t quite ready yet. From the filenames visible during the session, it looked like the next tasks would have involved anagrams and palindromes.
On a positive note, the interviewer was kind and professional throughout the interaction.
Other Software Engineer interview reviews for Arista Networks
Pretty good, not too complicated, was comfortable. Mostly LC questions, and was easy enough that you should be able to do it after doing NC150. good luck for the interview!
Starts with online test, then three rounds of technical interviews follow.
Not a lot of discussion, just go straight to the technical challenges which have to be solved in time
I interviewed at Arista Networks (Warsaw, Masovia)
Interview
By now I have had only first interview, that was focused on pure DSA. Despite that I would already recommend checking out gdb, cause it came in handy in my case.
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