Youtube Organic SEO - ON and OFF Page

I am looking for a very experienced Youtube Organic SEO expert

You have great experience in building a channel...

On Page....

- Keyword Tag - you must know to use the tools to do this well so my channel gets some ranking.
- Description - including optimised keywords
- Titles
- Cards
- End screens

Off Page...

- posting to social media accounts
- posting videos to other pages

Please let know your SPECIFIC experience and how you would do this job with expertise?