RejectedTechnical Screen

A Shared To-Do List Design and a Kafka Mistake

RobloxSoftware Engineer · Technical Screen · Aug 2026

The system design question was the shared to-do list problem from the question bank. Unfortunately, I had not had time to prepare for it. This was also my first system design interview, so I did not perform very well. I made one critical mistake by adding a Kafka queue. That made the system asynchronous and would affect the speed of the synchronous flow. The interviewer still interacted with me t…

Shared by a candidate · reported Aug 2026. Interview formats change; use it as a guide, not a script.