roblox | Software Engineer | Interview Experience
Interview Date: Not specified
Result: Not specified
Difficulty: Not specified
Interview Process
During the interview, I was asked a question about designing a rate limiter. The core idea of this problem is to limit the number of requests a user can make at a given time to prevent abuse. The interviewer encouraged me to analyze the question from multiple perspectives, including the complexity of the algorithm and the choice of data structures. After explaining my approach, I began coding the solution. I faced some challenges with boundary conditions, which made me nervous, but I ultimately managed to complete the implementation.
The interviewer then posed further questions, asking me to consider how to make the implementation more efficient and how it would perform in a multi-threaded or distributed environment. We discussed scalability, and I proposed a hybrid solution combining sliding windows and token buckets, which the interviewer acknowledged as a valid approach.
Technical Questions
- Rate Limiter (System Design, Concurrency)
Tips & Insights
Overall, it was an exciting experience. While it was a bit nerve-wracking, I felt satisfied with my performance.