What is the most useful?

Question

What skills are most useful (for jobs) front end development,back end development,machine learning, etc.

Answer 1

『Tank Dempsey 』 (Inactive)

As per current scenario data scientist is highest paying job.

Answer 2

Every skills are important that is why those things are there.

Answer 3

A͢J I meant which one is the most paying, in terms of a career