Just find some mighty company where the chances of getting laid off are relatively low (Google, Apple etc) and stay there until I retire (FIRE or otherwise).

Software Engineer

This seems like a big assumption. If you think you will spend max 3 years in your current role before getting promoted, you are doing well. If not, look for things you can change.

They say your job in IT is gone once experience  reaches 14,15 years.

So what are you doing or going to do
A. If have crossed that limit
B. If you are still

They say your job in IT is gone once experience  reaches 14,15 years.

So what are you doing or going to do
A. If have crossed that limit
B. If you are still working and will reach the limit

What are you doing after 15 years of IT experience