Not a course, but I would highly recommend Deep Learning with Python, by Francois Chollet, creator of Keras. Incredibly approachable book that covers everything

Not a course, but I would highly recommend Deep Learning with Python, by Francois Chollet, creator of Keras. Incredibly approachable book that covers everything from tensors and backprop, to mixed precision and multi gpu scaling, and includes time series, language, vision and audio in between