COBOL DB2 SAS JCL IMS

Python TypeScript MQTT OPCUA DNP3

Android IOS

XHTML / HTML JavaScript CSS XML Objective-C

JavaScript ES6 TypeScript HTML5 CSS3

iOS applications Objective-C Swift MVVM RESTful web services

Swift MVVM Design Pattern

Android Os Sdk Android Studio Kotlin Jetpack

HTML5 CSS3 Angular Servlets Struts

COBOL DB2 SAS JCL Mainframe COBOL

Java Kotlin Android SDK

Kotlin Java RxJava Android Architecture Component...

SharePoint exp PowerAutomate PowerShell PowerApps Azure Cloud Services

kotlin mvvm android dependency injection android sdk

C/C++/Python CAN MOST OS concepts (Threads Process