SaaS website for QR menu maker and service listing for business owner with social media marketing tools

i am looking for a developer that can create a SaaS website with the below features:

this is a 3 level CMS user management
from Admin to Vendor to End User

1. QR Menu and Service Maker
- for restaurant to create menu listing
- for business to create service listing
- similar to QuickQR from CodeCanyon

2. Checkout and send to whatsapp
- business owner receive whatsapp order
- similar to QuickOrder from Codecanyon

3. FB/IG Social media marketing tools
- vendor send schedule posting to FB/IG
- similar to Stackpost from Codecanyon

4. FB/IG chatbot ecommerce
- page auto reply DM and comment
- similar to Chatpion from Codecanyon

5. and other add-on features for future


My refference would be from below:
(all are from codecanyon marketplace)
1. QuickOrder - Whatsapp Ordering
2. QuickQR Menu Maker
3. Stackposts - Social Marketing Tool
4. Whatsapp Marketing Tool Module For Stackpost
5. Chatpion - Facebook Chatbot, ecommerce & Social Media Management Tool (SaaS)