ThePrimeagen - https://www.youtube.com/channel/UC8ENHE5xdFSwx71u3fDH5Xw (also check out his livestreams, very entertaining)
Tsoding - https://www.youtube.com/channel/UCrqM0Ym_NbK1fqeQG2VIohg
Jon Gjengset - https://www.youtube.com/channel/UC_iD0xppBwwsrM9DegC5cQQ
LiveOverflow - https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w
Mental Outlaw - https://www.youtube.com/channel/UC7YOGHUfC1Tb6E4pudI9STA
Luke Smith - https://www.youtube.com/channel/UC2eYFnH61tmytImy1mTYvhA
mCoding - https://www.youtube.com/channel/UCaiL2GDNpLYH6Wokkk1VNcg