Mastercard Software Development Engineer In Test (SDET) interview questions

They take 3 round of interview and then send a mail to send documents after that they are just disappear they not pick your call not give any follow up mail revert hr are very unprofessional how can you do that after getting all documents like payslip they not response.

there were three rounds i.e. two technical and last HR round. Overall difficulty level was average. Interviewer were friendly. The overall recruitment process was smooth. The basic concepts of oop, dbms were asked.