Sorcery.gg is a huge free resource for jobs in animation and game development, built by game developers (currently in beta but still extremely useful)
Sorcery.gg
Games Jobs Direct
Games Jobs Direct is a website that aims to simplify video game recruitment by allowing studios and candidates to connect directly
Artstation Jobs
Artstation Jobs is a job search engine within the Artstation website that allows you to setup multiple filters and preferences.
Work With Indies
Work With Indies is a website where you can browse for jobs specifically within indie games away from the often crowded AAA job space.
Remote Game Jobs
Remote Game Jobs is a job search engine that allows you to find and hire specifically for remote game dev roles.
Newgrounds
Newgrounds is a popular website for posting animations, games and audio and has been around for over 20 years. Founded by Tom Fulp (also founder of The Behemoth [game developer])
On Animation
On Animation is a website filled with animation analysis, behind the scenes, podcasts and more. Check it out!
Animator's Resource Kit 