IOS Swift 3/4 Objective-C Xcode Interface Builder

iOS Swift 3/4 Objective-C Xcode RESTful API

Job Control Language (JCL) IMS DB/DC SQL DB2 Mainframe

React Native iOS android Object Oriented Design

.NET technologies SQL Server SMS IIS Active Directory

Android IoS

IOS UI development Swift

Business Rules IFS XML

Business Logic CSS HTML5 Internet of Things (IoT) JavaScript

Mobile iOS and Android. RESTful API or GraphQL GitLab Jenkins or AWS Build/Deploy/Am...

Objective C Swift

iOS CSS API

Swift SwiftUI

MVVM IIS SQL Server LINQ Web API.

iOS APIs