I applied online. The process took 2 weeks. I interviewed at Cognizant (Chicago, IL) in Jan 2014
Interview
Typically 2 or 3 rounds of interview mostly over the phone. First 2 interviews would be from the hiring team and it can technical. Most times there would also be a client interview
First there will be a screening round ,most probably a telephonic or video call followed by a Managerial round
Lastly a client round where you will be asked about your day to day contribution in project
I applied through an employee referral. The process took 1 week. I interviewed at Cognizant (Winston-Salem, NC)
Interview
Screening from a cognizant employee via a phone/teams call, sometime involving a scenario based coding question or a tell me a time when kind of questions, then a client round interview.