I applied through a staffing agency. The process took 1 day. I interviewed at Tata Consultancy Services (Calcutta) in Dec 2018
Interview
I attended a walk-in on Dec 2018 in Kolkata. There was no vacancy for ETL testing. Got called for 1 round and then was told that my profile was not matching their requirement.
I applied through an employee referral. The process took 2 weeks. I interviewed at Tata Consultancy Services (New York, NY) in Apr 2016
Interview
Internal interview with TCS staff about experience, English fluid, availability , the second interview is with the project customer who will ask about SQL knowledge, experience and write exercises with queries sharing the screen.