How do you set yourself up for a career that will stand the test of time when things are changing so fast?

Data science roles can be very different, and job postings are not always clear. What hat do you want to wear? After the positive responses to my recent post in Towards Data Science about Machine Learning Engineers , I thought I would write a bit about what I think are the real categories of roles for data science practitioners in the job market. While I was previously talking about the candidates, e.