That is exactly why I left the Web for Embedded system. I don't know for you, but I was a little tired of doing the same thing over and over again (CRUD stuff). Challenges in Web development, IMHO, is not in the code anymore but in the infrastructure.
Dealing with the 5 desktop browsers, the 18 mobile device formats (plus many browsers) was for me the bigger pain. It has been 2 years since I didn't do any web development per se, so maybe it got better.
C and C++ are not perfect, but at least when I work on an STM32 there is only one place my code will run, for one purpose. And I came to realize that embedded system, even though challenging and low-level, can bring high-value quickly to a device.
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