Hi there,
I can develop twilio Autoresponder with backend as required by you.
I am experienced Twilio developer with around five years of industry experience in communication APIs and chatbot development.
I have done many twilio projects in past with twilio studio, functions, twiml bins for call routing based on business logic, voicemail, SMS/email notification, call queuing, etc.
If you are interested, I can share previous project details for reference.
Please let me know your detailed use case.
Hoping to hear from you soon.
Thank you.