HR and Recruiters were all nice. However, the phone screen was horrible: the interviewer had a difficult accent and very arrogant attitude. While she saw I missed some design point, she didn't notify me until it was 25 minutes in the screen, despite the fact I clarified my design at the start and asked her if she had any concerns. When I asked her at the end about FB culture, she mentioned it, VERY ARROGANTLY, 4 times in as many sentences that FB looks for fast coders and they have a unique culture they are proud of and others have to adapt to it. She managed to make me not apply anymore to FB if I would work with the likes of her.