To what level Google L5 translates in your company? Making $320K annually and work in Cloud. In Seattle area, so companies are limited: Lyft, Facebook, Amazon, Microsoft, Uber, Oracle Cloud, VMware, Snapchat. Airbnb...
At amazon, it is senior (high of the band, close to principal).
Likely E5 at FB but still depending on your interview performance.
Probably Senior 2 at uber
Somewhere between PMTS and architect
Sounds like Staff at LinkedIn.
Most likely E5. If you got all strong hire from your interviewers plus compete offer, you might be able to push to E6, but I won't count on it.
How many years of total experience?
9 years of experience
In Microsoft, money wise, you are at principal level. However, it's hard to get principal offer without 8-10 years of experience.
It is middle level principal 66
9 years of experience