I applied through university. The process took 1 day. I interviewed at Perfios Software (Bengaluru) in Oct 2023
Interview
1st Round: Pen and paper round. 4 DSA linked list question. Aptitude questions were also there in this round. This round was 75 to 90 minutes.
2nd Round: F2F interview. Asked me about the DB Schema and API structure of my internship work. Fundamental questions on DBMS. 1 leetcode question similar to repeated DNA sequences. Was not able to write the code for the DSA question.
3rd Round: Basic stack question. Fundamental OS questions. Asked the approaches of the questions in the 1st round.
4th Round: Managerial round. Find the repeating character in a string in O(1) time and O(1) space complexity. Extensive discussion on my internship experiences. Some typical managerial questions. Check if a given tree is a subtree of a another tree.
5th Round: Asked me how alarms work in phones. Real life applications of DSA.
Interview questions [1]
Question 1
DSA linked list questions. Stack questions and basic tree questions.
Had 1 round of interview, went really well, expecting a call back but got ghosted. No reply at all despite multiple follow back. They don’t know what they are doing
Interview questions [1]
Question 1
Questions were related to my resume, deep dive on a particular project.
I applied online. The process took 2 weeks. I interviewed at Perfios Software (Bengaluru) in Jun 2025
Interview
My overall experience with the company has been very positive. The processes were smooth and well-organized, which made the journey enjoyable. The HR team has been supportive, approachable, and professional throughout. The company provides a good work culture and environment that enables growth and learning. I truly had a very good experience being part of the organization
