Hudson River Trading Software Engineer interview experience

I was asked about Python dictionaries—both the basic principles and how *args and **kwargs differ in definitions versus calls. Decorators came up too, including what they’re for and how they work. Then the focus shifted to Linux: I discussed program exit codes, how to print them, and contrasted processes with threads. We also talked about terminating a thread and why it might not be possible in some situations.

What surprised me most was that after all those fundamentals, I got a scenario tied to a trading system with insufficient disk space. I talked through approaches like using a managed