The interviewer asked whether I had worked with graph-like systems before starting the problem. The question was Signal Amplification Network: https://www.chillinterview.com/learn/coding-interview-questions/signal-amplification-network. I was given a network a...

After applying online, a recruiter reached out to me after a month. The recruiter screening was standard. They mentioned that Ads is now centralized hiring and that interviews will be in the same pipeline before arranging team match. My phone screen questions...

## Preparation Tips & Key Takeaways ### What I Learned - Debugging skills are crucial, especially under pressure during a live coding session. - Thoroughly test your code with various inputs to catch potential issues before running it during the interview. ###...

In my phone screen, I was asked to design Slack. I based my design on Hello Interview's approach, first discussing Direct Messages (DMs) and then channels. I spent time explaining my use of Redis Pub/Sub, and it seemed the interviewer wasn't very familiar with...

I had previously interned in the same role in 2025 but didn't match with a team. This time, as a new grad, I reapplied and contacted the HR representative from before. **Round 1 Coding:** The coding question involved finding the top 10 most frequent IPs from a...

The interviewer shared a grid example and asked me to describe what I believed counted as connected land. The question was Largest Fence Around Connected Land: https://www.chillinterview.com/learn/coding-interview-questions/largest-fence-around-connected-land....