I applied through college or university. The process took 2 days. I interviewed at Persistent Systems (Calcutta) in Sep 2015
Interview
4 rounds in all. First online technical aptitude test - MCQs and a program on file operation. Second Technical round with coding, puzzle. Third, Technical round on area of interest (Data Structures and Algorithms in my case). Fourth, HR. Followed by offer.
Interview questions [1]
Question 1
Write a program to identify a palindrome. Extend te program to find the longest palindrome in a string or file.
Write a program to copy a text file into another while eliminating all extra spaces between words.
Write a program on hash table.
Few questions related to Operating Systems and an algebra proof.
The interview process includes resume screening, an initial HR call, technical rounds, coding or system design tasks, a managerial interview, and a final HR negotiation before the offer made overall.
There was online Assessment test, once you clear that you will you shortlisted for interviews.
There was 2 Technical Interviews & Final HR Interview and all rounds are elimination rounds
Interview questions [1]
Question 1
They mainly asked OOP related concepts and some easy to medium level DSA questions in an interview.
Good technical qs asked cpp basics write a pattern code and some easy logical questions
It was mostly conversation and it included just testing my basic coding and problem-solving skills
Interview questions [1]
Question 1
Write a code for a pattern which he gave me in the chat box. What are pointers what are dangling pointers? What is SQL, some forms for SQL and its coded functions of SQL joint water joints, inner joins outer joints, et cetera.