The phone screen lasted about 30 minutes, focusing on my previous projects and diving into some light technical questions. I was pleasantly surprised when the system design question about a connection recommendation system came up, as I had just tackled a similar architecture breakdown on PracHub during prep. The next round included a coding challenge where I implemented a rate limiter and a question on word transformations. Overall, the process felt straightforward, and while I received an offer, I ultimately decided to decline it for personal reasons.

Design LinkedIn's connection recommendation system with real-time updates and personalization.

Implement a rate limiter using the sliding window log algorithm.

Find the shortest transformation sequence between two words in a dictionary.