After my self-introduction, I was asked about common sorting algorithms and their Big O complexities. I was also questioned on the differences between arrays and linked lists, including the time complexity of inserting elements at the head and middle of each....

I was asked to design a system that can evaluate millions of transactions daily for fraud in real-time. The system needs to decide to approve, flag, or block a transaction within a 50ms latency budget. It should handle 10,000+ requests per second and allow sea...

In my phone screen, I was asked many questions about operating system concepts, so I recommend preparing OS fundamentals thoroughly. I also had a C++ coding question: Given an integer array `nums` of length `n`, where each element is in the range `[1, n-1]`, t...

I had a two-hour phone screen with the hiring manager and a team member. After a brief introduction, the interview focused on technical questions. The questions I was asked were: 1. Debugging a short C code snippet. 2. Transposing an n*n matrix. 3. Implementin...