Area managers routinely spend 50–70 hours each week in a large warehouse like this one. Just how does the self-proclaimed “most customer-centric company on Earth” accomplish this? Largely by ...

This as-told-to essay is based on a conversation with Suvendu Mohanty, a 37-year-old machine learning engineer at Amazon. It's been edited for length and clarity. I got my Master's in Computer Science ...