San Francisco · United States
Senior Principal Software Engineering App Performance C salary in San Francisco
This cohort is locked to San Francisco, United States. Identically named cities in another country cannot enter the salary or history calculation.
P25
$180,000
Median
$240,000
P75
$273,500
vs United States
+14.3%
33 salary observations · 212 live local jobs · currency USD
Local salary history
Senior Principal Software Engineering App Performance C pay movement in San Francisco
2026-08 · n=26
$235,925
2026-09 · n=7
$262,500
Why the country prefix matters
City identity = canonical place + country
The public URL, canonical location resolver, salary cache and snapshot market key all carry the United States context. This prevents city-name collisions and makes local salary pages safer for users and search engines.