Varonis Systems Senior Backend Engineer interview questions
based on 1 rating - Updated Aug 26, 2025
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Candidates applying for Senior Backend Engineer roles take an average of 14 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Varonis Systems overall takes an average of 20 days.
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I applied through a recruiter. The process took 2 weeks. I interviewed at Varonis Systems
Interview
I had 2 interviews.The first one was a coding exercise in C++ for 2 hours. The second interview was a 90-minute interview with a LeetCode question and some algorithm questions
Interview questions [3]
Question 1
C++ coding assignment
Input:
3 files (F1, F2, F3) with synonyms.
* Format: `word1=word2 word3=word4`
* Separator between pairs: `=`
* Separator between synonyms: space `" "`
Processing:
* Read files in **parallel threads** (1 thread per file).
* Merge all synonyms together.
* Remove duplicates.
Output:
* Print groups of synonyms (words that are connected).
* Each group printed once.
* Words inside each group sorted alphabetically (lowercase).
* Provide option to sort ascending/descending.