There are no bootcamps for ML. You can get a graduate degree (MS) in 1 year if you get into UTexas' online MSDSO which has a bunch of ML classes (ML/DL/NLP). UTexas itself is a top 10 school in CS so that might put you on the map for recruiters though PhD is strongly preferred. Another option is to take Stanford AI graduate classes which are deeper than UTexas' but also more demanding.