Hello,
.I am experienced and expert in mobile app designing and development - native android, native iOS and Hybrid app.
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I have expertise in Android Studio, JAVA, RESTful web services, JSON, XML, Google API Integration, Angular JS, Node JS, Social media login, MySQL, Objective C, Cordova, PhoneGap, Ionic, Titanium, PUSH Notification, Firebase, etc.
Is it absolutely necessary to get permission from a bank to connect to their API? - yes it is necessary to have permission
Please feel free to ask me any question or query with respect to your project understanding or on my fields of expertise.
In anticipation,
Brijesh Sh, Mobile App Expert