Because I am still in the academic process, I had the opportunity to take a couple of classes on the subject. Three books that I would recommend going over to make sure your foundation in ML and mathematics are solid are
-Pattern recognition and machine learning by Christopher Bishop
-Mathematics for Machine Learning by Peter Deisenroth
-Deep Learning by Courville, Bengio and Goodfellow
All three are legally available online in some form. I can't say I have any experience in finding a job related to ML though.
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Cause I am interested in this line of work. At least if it pays enough to live comfortably.
I mostly work when it feels right, yes, and do something else when it doesn't. But I am doing my PhD and (in Canada) it absolutely does not pay enough to live comfortably.
Where are the super thin and light laptops that allow me to write emails, do light coding and browsing and SSH into other devices with 50 hours of battery life?