Tesla Software Engineer interview questions

There was 2 phone calls. First one with recruiter, and second by technical interview engineer. After that there was a take home 4 hour coding challenge. Overall they are nice to talk to. The technical interviewer discussed my previous work for fist 40mins. Then he asked some C++ questions. No online code editor was used.

Talk with a recruiter, then offline coding task. They gave me ample time to complete the coding task offline. Yet. Got a rather rude response that I don't know how to code (I have 10+ years of C++, so debatable)