Embedded Software Engineer applicants have rated the interview process at Sophos with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 49.5% positive. This is according to Glassdoor user ratings.
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Initial recruiter call. Then a proper technical phone screen. Main interview was 4 rounds. All technical. Some interesting questions. Design Tetris on white board, efficient array/string manipulation etc. They were very cordial and were interested in my work experience as well.