Visual Studio® .NET 2019, full-stack development (ASP.NET, C#.NET, Workflows, Cloud, Unit Tests...etc.), Entity Framework, Database applications and administration (SQL Server, MySQL, Oracle, SQLite, Firebase), Web Applications (Internet and Intranet), Cloud (PaaS, Firebase) (Windows Azure, WebJobs, Storage Service, websites, databases, CDN networks, ...etc.), XML Service protocols (API, WebAPI, JSON, WCF, Twitter API, Telegram Bot API), Windows Applications (including Telnet & TCP interfacing), SNMP, Next Generation Network (NGN) and FTTH (Fiber to the home) systems continuous integration applications, Alcatel-Lucent IMS® & Huawei IMS® OSS and U2000's XML North Bound Interface (NBI), Ericsson AXE telnet interface and management, Siemens EWSD telnet interface (into NetManager), simulated GUI over Citrix, XML, XSLT, LINQ, Microsoft Web Server 2012 setup & complete hosting solutions, Xamarin (Android, iOS), Android Studio (Java and Google Store apps), iOS (iPhone®, iPod Touch®, and iPad™, Core Data) using Xcode and Objective-C (App Store), Internet-of-Things (IoT using Azure), jQuery, Javascript, HTML5, CSS, Regular Expressions (C#, Perl, Objective-C), Team Foundation Server 2015, Linux Applications (Fedora and Ubuntu) written in Perl, C, C++, and C# (Visual Studio), Adobe Creative Cloud CC 2017 (Illustrator, Photoshop, Edge Animate, ...etc.), SMS Messaging, QR Barcode generators, Digital Photography, Web design and publishing (SEO, Google Adds, ...etc.), Networking, (Cisco, DLink, Linksys switches & routers), IP Camera, CCNA, CCNP. Mathematical Numerical Analysis, Cryptography (Public-Key asymmetric, symmetric, hashing).