Triplebyte - Hire engineers by measuring their ability, not credentials
hackattic - No nonsense, real world programming challenges
Interview Insider - Coding interview process at different tech companies
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Daily Coding Problem - Get exceptionally good at coding interviews
Takehome - Effective and humane coding challenges for candidates