Comment by Flimm

Here is a clickable list of what the OP posted, for the lazy:

1. https://littleblah.com/post/2019-09-01-senior-engineer-check...

2. https://medium.com/@littleblah/my-top-25-items-in-a-senior-e...

3. https://github.com/littleblah/senior-engineer-checklist