Respected Client: Greetings!
I recommend you .NET with Web APIs and Angular as Frontend. As basically the system you're looking to build is complex and WordPress CMS is open source and we need to create plugins and/ or modify purchased plugin that my crash in the future when a new version available in the market for PHP and WordPress.
I can develop a responsive, professional, functional web application as per your requirement and assure you to exceed your expectations.
I am a professional Web developer for the last 10 years.
CMS & eCommerce: WordPress, Shopify, Wix, Moodle, Squarespace, .NET, Angular, BigCommerce, AspDotNetStoreFront, OpenCart, XCart, WooCommerce.
>>I provide the best price, high-quality service, on-time delivery, weekly progress report, free mockups, etc.
Looking forward to having a positive response from you soon.
Regards,
Varinder