asked about JS fundamentals and JS output based questions mainly on event loops and TDZ , promises types of promises and shallow copy and deep copy , currying , debounce
I applied through university. I interviewed at EPAM Systems (Hyderābād) in Aug 2025
Interview
The interview was focused on Java questions and OOPs concepts. Medium level difficulty leetcode problems were asked.
One question was to write binary search program and another one was to move the zeroes to the end of the array preserving the whole order.
I applied online. I interviewed at EPAM Systems (Nicosia, Nicosia) in Mar 2025
Interview
The interview was conducted online and lasted around 1 hour and 50 minutes. It was entirely technical – there were no behavioral questions. I was asked a wide range of questions, mostly focused on JavaScript, TypeScript, REST APIs, and React, since I have experience with React. The interviewers went into detail and covered a broad set of topics, making the interview quite intense and challenging.Since the interview was quite long and included a wide variety of questions, I'll list some of the ones I remember
Interview questions [13]
Question 1
What is the difference between undefined and null in JavaScript?
