Edit some features on this web app

I need a software developer to make the changes to this web app i have as follows Click here to see the app [login to view URL] Tools Provide a Training kit for the tool. Provide a format for the Excel files for contacts- Name/Number or Number/Name/Organization Proposed Renames Rename Link to Connect to WhatsApp Signature--- Premium clients to customize their signature to their preference. Put a limit on signature characters. Fremium clients to have Nakusikizia Signature that links to the product. Button Create a hyperlink to the buttons… Hide the link into the clients CTA Message and the button to be in One message Schedule Maintain repeat day scheduling feature Introduce Multiple Scheduling Feature Multimedia Message Allow multiple images/videos/documents when sending. Allow Mixed media--Image and Video, Video and Document, etc Allow Individual and or group caption Payment Plans SMS--$5 WhatsApp-$10 SMS + WhatsApp $12.5 Fremium clients- Max of 24 Hours Tools The following tools are to be accessible to only the Super Admins/authorized persons. Not clients. API Keys Document Webhooks Templates Provide a series of templates covering a range of user cases Sign Up The system needs to collect or build a database with the following information at sign-up: Email Active WhatsApp Numbers Users to choose where to receive notification Email WhatsApp Numbers The system should include an unsubscribe option on both: Email Active WhatsApp Numbers Users Dashboard Users should only see the following: What they subscribed to The Analytics dashboard and it can generate reports and export them as PDFs. Personalization The Nakusikizia sender should send personal messages to: WhatsApp groups( Dear Omnichanell Members) WhatsApp Contacts(Individual accounts( Dear Shalom) Google Business I didnt see the feature? Include it