I have worked as a software engineer for web and smartphone.
My skills are
PHP…over 10 years
Ruby on Rails … within a year.
Swift…over 4 years
AWS…over 3 years
Flutter … within a year.
mysql… over 10 years.
golang… half year
react… half year

also i have experienced team management for 5 years.
my team was over 20 people.

As a manager I am always thinking that my team works smoothly.
In order to achieve it, I try to do bored tasks by myself,not to delegate these tasks to others.
I think to improve myself and let members grow as much as possible.