I'm not sure if it does or doesn't, but the salary of $155k is normal in the SF area.

Check out AngelList's salary tool: https://angel.co/salaries . Median salary for 'Developer' is about $120k. More for a backend developer.

GlassDoor gives an average salary of $120k for the same area: https://www.glassdoor.com/Salaries/san-francisco-engineer-sa...

Cost of living is at least that much higher. Compare rent in San Diego (say, clairemont) vs Rent on the peninsula at equivalent house size. Easily 100% more.

> extreme demand for engineers