we are developing an ecommerce saas application something similar to [login to view URL]
we need some help for the following issue .
** Any SPA library or framework with good seo support.
** Any backend language or framework for api server
** Subdomain or url based tenant isolation. Tell me which way is better for SPA.
** Theming system , theme edit option, theme upload option, theme template option for every tenant
** JWT based api authentication with high label security
** Third party module integration
please let me know if you can help us.
Need Details Guideline and setup project with my developer