Decides what a screen should do before anyone writes the code that does it.

A UX designer’s job is not the pretty layer on top of a finished product, it is deciding what the product should even do, based on watching real people try to use it and fail. The best ones spend more time in research and iteration than in the design tool, because the interface only gets good once you have watched it go wrong a few times.
Human-computer interaction programmes specifically teach the research half most bootcamps skip.
Faster and cheaper, and works if the portfolio shows real research and iteration, not just polished mockups.
Web developers and digital designers · US Bureau of Labor Statistics, Occupational Outlook Handbook, May 2024 wages and 2024–34 projections.
The Handbook groups digital interface designers with web developers rather than tracking UX/product design on its own; the figure here is the digital-design half of that combined occupation.
A design almost never survives contact with real engineering and business constraints unchanged, and defending a decision with research instead of taste is a skill that takes years. The field also does not have a licensing gate the way engineering does, which means the bar for what counts as "designer" varies enormously between employers.