I have never worked in the valley, so the answer to this question might be obvious to the people working there. What happens to all the experienced engineers? According to this, the Senior, Staff, or Principal titles are generally for people with 5+ year experience? Those roles make up 30%, 10%, and 3% of companies respectively. That leaves 57% of engineers in positions listed are usually for people with 0-5 years ex…
Jackpot!
All it takes for this to happen is that the number of software engineers in the world grows by 10--20% every year. (Because this means it doubles every 5 years, which means half the workforce has less than or equal to five years of experience.
I recall reading somewhere that the actual growth of the workforce is even greater than that -- somewhere around 25%!