How does staying at a single company improve your skills? You can switch 5 companies in 5 years or stick to 1 company for 5 years, the amount of skills you gain

How does staying at a single company improve your skills? You can switch 5 companies in 5 years or stick to 1 company for 5 years, the amount of skills you gain is not tied to duration of your employment but your inherent ability to learn and desire knowledge.