Superhuman Software Engineer interview experience

I was asked to design a distributed counter app where multiple people can collaboratively increment a shared counter. During the session, I used a Google Doc to structure the solution.

What stood out was the emphasis on correctness and how to think through failures. I had to begin with a reliable approach, explicitly considering network issues and how the system should behave when things don’t arrive reliably. I also laid out what I thought the API would look like, sketched a database schema, and described the server-side logic in pseudo-code. The discussion kept coming back to getting to