Phone call screening (~30 mins, voice only). I was asked around 20 general questions about c++, compiler and OS architecture. Interview was really fast paced, just to check the knowledge, no time to think or remember.

-RAII -C++ pointers -memory alignment -vTable, virtual functions -variadic templates, emplace_back method (how it works with unique pointer, variadic templates) -map, unordered map (how implemented, what advantages/disadvantages each one has) -hash functions (when used, what's important about hash function definition) -floating point numbers (how implemented, common problems with them) -cache (how it works, what is cache line, prefetch, what are the modern cache architectures and one more question about some cache technique I wasn't familiar with)