Live coding and knowing why we have BigO and what it means is a hard requirement for us for senior candidates. We even dive deep into UDP vs TCP and the differ

Live coding and knowing why we have BigO and what it means is a hard requirement for us for senior candidates. We even dive deep into UDP vs TCP and the differences. You don't need to know this always, but if things go bad, i rather have a collegue on my side that understands this stuff.