Hi, I've just read your description and I am clear what you mean.
I've experienced with Magento 1.x and 2.x for about 5 years and also I am familiar to Magento 2.3.1 and 2.3.2 so that I can meet all your needs.
As a senior Magento expert, I am so familiar to overriding/creating Magento modules, modifying admin pages, creating/modifying themes(frontend design and layout), language packs(multilingual) and etc.
And I am so familiar to Magento Partners' 3rd party extensions and experienced with installing many ones from Amasty, Webkul, WeltPixel, BSSCommerce, Mageplaza and TemplateMonster/UItimo for the template and so on, which means I can fully help you to research and install the better, powerful Magento 2 extension.
I am so familiar to handling Magento Admin Page such as import/export products from CSV files, Analyzing Dashboard, Creating new Products(simple configurable, virtual, group, bundle and etc), Categories, Order, Invoice management, Shipping, Tax, Stock, Marketing, Store Configuration, Cookie/GDPR, User management and so on.
And I am skillful to SEO, B2B/B2C stores, AWS, eBay, POS, AMP, ERP Integration, Google Analytics, Ubuntu/CentOS, Nginx, Docker, Git/BitBucket and so on.
I am so interested in your project and I can guarantee you high quality.
I am always ready to start working for your project.
Regards,
Liu