I applied through college or university. The process took 1 day. I interviewed at Cognizant (Thanjāvūr) in Sep 2019
Interview
Interview consists of 3 rounds, 1 round-being a online MCQ type exam where they test your aptitude and basic input and output problems.
Those who have cleared the round 1 , will then be called for interview, which further consists of 2 rounds, first is the technical interview , where they test basic coding questions and basic knowledge of branch from which you are coming from(eg- if you are a electrical engineer you will be asked about basic of electrical).
Finally who clear round 2 (i.e) technical interview will be allowed for attending HR interview where they ask you about preference of work place , why cognizant etc..
Interview questions [1]
Question 1
Write a simple code to demonstrate your knowledge in c++.
Introduction
Basic of Oops and Programming
2 Coding Questions
Reverse String and Number
Question on Java and SQL Spring Boot and Other programing related questions like hashing map vs hash table why they are used
It was three round interview with written test and 2 easy interviews. One technical and one with HR for compensation discussion. All were conducted on the same day. In order to get selected need to stand out and answer uniquely.