[smsm42]

I'd say definitely lower than RN. Not to mention all kinds of certifications that can be expensive and time-consuming too. Great software engineers are rare, but common ones are nowhere near the level you need to be to make a significant contribution to math field. And the pay is much better.

[mgstr]

Most of the developers I've met from the companies mentioned have masters or phds as well as substantial work experience on real-world projects. Those that don't are usually exceptional individuals.

[smsm42]

You have very biased view of the industry then, probably because of the specifics of your social circle. Absolute majority of tech industry doesn't have PhDs and does work that in no way, form or manner requires PhD.