Progression.fyi is a good resource for viewing and comparing other technical career ladders. This should probably be your first stop to create a new ladder as it is kept up to date and covers a lot of the resources below:

1.
Reinhard, L. Why We Re-Designed Our Engineering Career Paths at CircleCI. https://circleci.com/blog/why-we-re-designed-our-engineering-career-paths-at-circleci/ (2018).