[silvercymbals]

I built a bespoke IOT stack that currently runs over 10k devices and a full production line interface / deployment for a factory we used in china. I'm not going to define what "senior engineer" is, but this was done largely solo with engineers I managed to maintain it.

[rockemsockem]

Sounds impressive enough to probably get a senior role somewhere. Maybe you aren't selling yourself well in your resume?

[silvercymbals]

hard to say - just trying to figure it out

[leakycap]

Based on your responses, I think your soft skills / people skills are letting you down. I would recommend working diligently on how you interact and communicate so that you do not come across as arrogant, dismissive, or out of touch.

[brazukadev]

Too down to earth, OP wants to vent his frustrations.