Yes, I know many people in software/tech who have been 20+ years with the same company. Hopping every 2 years is not common. That said, it is a red flag for me

Yes, I know many people in software/tech who have been 20+ years with the same company. Hopping every 2 years is not common. That said, it is a red flag for me if most people in the team have been there for very long: it means that as a new comer I will always be bottom of the pile and have no career growth opportunity.