Treehouse, Pluralsight and Udemy all have advanced React courses. HOC, Redux, Auth, and pretty much everything else is covered. You get a free trial at Pluralsi

Treehouse, Pluralsight and Udemy all have advanced React courses. HOC, Redux, Auth, and pretty much everything else is covered. You get a free trial at Pluralsight which is more than enough time to do one or two courses.