Android Engineer applicants have rated the interview process at Truecaller with 2 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 38.9% positive. This is according to Glassdoor user ratings.
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Asked questions on DSA(Binary Search) and Minor Project and Major Project of college. and OOPS concepts. Also know about the company well before the interview. Though I was not selected the process was very easy.