Amazon Paperback Formatting Expert

I'm seeking a professional to format my completed manuscript for paperback publication on Amazon. The book cover is ready; I only need the interior formatted.

Requirements:
- Both text and chapter formatting needed (fonts, spacing, headings, breaks, etc.).
- Experience with Amazon KDP formatting is a must.
What I need help with:
- My doc file needs to be edited in terms of readability as per the chapter and subtitles headings and font. Content is ready and approved. Does not need to be edited
- After editing the book, I need the doc file to be uploaded in a template of 5.5 x 8.5 with proper formatting
-The front cover, spine and back cover design is ready. I need you to design the file on canva and upload it on kdp
- The uploaded and formatted doc file as per template also has to be uploaded on kdp
- both the cover and the book needs to be uploaded on pothi.com for domestic sales

Ideal Skills:
- Attention to detail
- Proficiency in formatting tools/software
- Prior experience with book formatting
- Must be well versed and experienced in publishing paperback on Amazon

Please provide samples of previous work and an estimated timeline for completion.