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I graduated 11 months ago and have been working as a Data Scientist since. Finishing this book makes me feel like I've worked on orders of magnitude more projects than I have. The examples are very clear and you're always left feeling like you understand WHY each topic is important. Not only did this book teach me new things about MLE but it helped cement things I already figured out for myself on the job. More often than not, Andriy's words are an invaluable reinforcement for concepts I thought I already knew. Highly recommended.
This is a must read for any data scientist looking to transition to a ML engineer role. I have over 3 years of experience in data science at a leading financial services firm and I must say this book has taught me so many new things. This is a treasure of gold written by Andriy. I have read the 100 pages ML book too. Both of his books are a must read and can be a good daily reference.