I applied through a recruiter. I interviewed at Arista Networks (Dublin, Dublin) in May 2022
Interview
Video Call interview with human resources to inform about company, interview process and
Round-1(Data Structure and Algorithm): Online coding on Hackerrank. If you do not visit hackerrank before, you should solve demo test. 1 question and 60 minutes. It was easy.
Interview questions [1]
Question 1
Return a string that includes the alphanumeric blocks of the input string with ignoring the spaces and dashes.
Minimum block size: 2
Maximum Block size:3
Input Ex: ABu9 -8ukL 0-L
Output Ex: ABu 98u kL 0L
I applied through a recruiter. I interviewed at Arista Networks in Jun 2026
Interview
Pros:
Great initial approach – the recruiter thoroughly checked my GitHub profile and projects before the interview, which is very uncommon and shows they do their homework.
Cons:
A major mismatch between the job description ("Software Engineer C++") and the actual interview reality. The technical stage on CoderPad strictly tests bare-metal C98 skills: raw pointers, manual bitwise operations, and packing bytes into 64-bit integers. If you are accustomed to modern C++ (RAII, templates, safe memory management), this will feel like a massive step backward. Additionally, the time expectations for live low-level bit-shifting were unrealistic, to the point where the interviewer started solving the task themselves.
Interview was kind and not stressful, just minor mismatch of naming
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