Can you please share with me the complete specification further complex messenger using machine learning with a custom interface profile? So that I can have an excellent understanding and then I can let you know an exact estimation of Time & Cost accordingly.
However, I've extensive experience with the AWS Back-End.
I've expertise in Swift, Objective-C, OpenGL of iOS, Core Services, Media, Development Tools (Xcode 4,5 & 7), back-end PHP MySQL, JSON & Parse, Angular, XML, MySQL, PostgreSQL, SQL Server, XML, HTML/CSS/JavaScript, REST APIs, Payment Gateways Integration, Web services, Linux & other platforms, UIkit, Mapkit and all other native libraries of both the OS.
I've developed a wide range of mobile applications with back-end web service and also have worked on some various categories apps like Business Application, Utility Application, Enterprise Application, E-Learning App with Video Streaming Feature, Restaurants - Food Order & Delivery App, Uber Similar Taxi App, Fitness App, Doctor & Patient App with Appointment Scheduling & Video Consulting Feature, Real Estate App, Dating App, E-Commerce App, Text, Audio/Video Chat App, Social Networking App, and so on.
You'll get all the expected stuff like a great professional service and a fast turn around, at a bit less, and I get a bit more exposure.
Waiting for a positive response from you soon.
Thank you & Regards,
Shailendra