Who is senior software engineer? - Software developer career path

In the introduction to Becoming a Senior Developer series I'm talking about who are senior developers. I'm answering a few questions:
who is a senior software developer?
what are responsibilities of senior software engineers?
what skills do you need to have to become a senior developer?
how many years of experience do you need to have to become a senior developer?

If you have any feedback, leave a comment or drop me an email:
✉️ gregory@notonlycode.org

📚 Resources
www.gov.uk/guidance/software-developer - career ladder from UK Gov
levels.fyi/ - comparison of levels (and salaries) among large tech companies


Video timeline:
0:00 Intro
1:10 Who is senior software engineer
2:20 Software developer career path
5:20 Required experience
7:18 Problem solving
8:23 Supporting other developers
9:12 Seeing big picture
10:52 Programming skills
12:00 Learning new skills
13:25 Outr