Dear Client,
I understood your project details, I shall upgrade 2.1.9 to the latest 2.3.5 -p1. I will also perform the various task given by you.
I have been developing projects in Magento since 2013. I have got the expert level knowledge in Magento. I got proficiency in migration, designing, and customization of Magento work.
I have successfully performed 40+ migrations in Magento to Magento 2.
I will accomplish your project soon.
Let's do chat for more discussion of your project.
Thanks,