Architekturen:

Client/Server, n-Tier, verteilte Anwendungen, SOA (Web Services), Microservices, Messaging,

Modellierung:

UML, ER-Diagramme, Custom DSL,

Frontend:

AJAX, XHTML, HTML, CSS, JavaScript (ES5, ES6), Node.js (Jade Template), JQuery, JQuery Mobile, Prototype.js, AngularJS 2.0, React, TypeScript,

Middleware:
Windows Server Familie (NT, 2000, 2003, 2008, 2012), Active Directory, MS Exchange 2003/2007/2010/2013, Node.js, Redis,

Datenbanken:
MS SQL Server 2000/2005/2008, Oracle 18c/19c, Redis, MySQL, MariaDB,

Technologien:
NET Framework 1.0/1.1/2.0/3.0/3.5/4.0/4.5/4.6/4.7/4.8, .NET Core 1.0/2.0/3.1, .NET Standard 2.1, .NET6, .NET Compact Framework 1.1/2.0, Windows 8/8.1/10 applications (Windows Store applications), XAML, Visual Studio DSL Tools 2010/2012/2013, T4 (Text Template Transformation Toolkit) Code Generation, WCF, SOA, OOD, OOP, MVVM, MVP, MVC, DDD, CQRS, Serviceorientierte Programmierung, Microservices, REST, XML, XSD, XSLT, XPath, SOAP, HTTP, SPML (Service Provisioning Markup Language), JSON, YAML, LINQ, Dockers, Pandas, Pytest, Plotly, Seaborn, Matplotlib, WSL, Kubernetes, TPL, DI, IoC, T-SQL, ADO.NET, Entity Framework, Linq to Sql,

Sprachen:
PHP, JavaScript, VB.NET, HTML5, CSS3, TypeScript, Python, PowerShell, Bash, Shell,

IDE:
MS Visual Studio, PHPStorm, GitLab, Oracle SQL Developer,

Tools:
Git, GitLab, Subversion, Adobe Creative Suite, GIMP,