Pure technical expertise alone is not enough to make you senior IMO, I would say it's your capacity to successfully conduct projects in many political or techni

Pure technical expertise alone is not enough to make you senior IMO, I would say it's your capacity to successfully conduct projects in many political or technical contexts, given the constraints (time, money, etc...). Also understand and deliver business value, and talk with decision makers. At least that's the biggest difference between 20 and 30 years old me.