Scaling and benchmarking a critical message bus using a new indexing strategy

This is pretty funny to see, because every financial firm interview process I've seen involves some variant of solving a bunch of stuff with min heaps.

Never before has a set of engineers been more primed to solve a problem

To me, buses seem like a single point of failure your app / service would be do best to avoid depending on. I won't argue you shouldn't publish everything to the bus, but I will argue you should minimize the number of subscribers.