I can developed iOS (iPhone/iPad/iPod) App

Description

I can do any kind iOS app
I have a experience to develop iOS app with following features:

1) E-commerce Application,
2) Social Networking Application,
3) Sports App
4) Social Media Integration App (Facebook, Google+)
5) Working with Firebase
6) AWS integration (Cognito, DynamoDB and S3)
7) QR and Barcode Reader
8) Camera Integration
9) SQLite and Core Data integration (Offline Support)
10) Image Editing
11) Lazy Loading with Modular Design.
12) GPS, Map integration
13) Backend API (Web services) RESTFul and SOAP Integration
14) iPhone/iPad sensor app
15) RealM database integration
16) Code versioning tools such as Git,SourceTree
17) Experience in submitting the app to the App store and Play store
18) Autolayout and Constraints management.
19) Analytics (Google, MixPanel, AppsFlyer)
20) DeepLinking and Universal Linking

Experience to work with web service integration in following platform:
1) JAVA
2) Node.js
3) ASP.Net with C#
4) PHP

What seller need from the Buyer to get started?

I need basic requirement to start work.
after starting work I can ask whatever we need to succssfully compete work.