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

Modellierung:
UML, ER-Diagramme, Custom DSL,

Frontend:
ASP, ASP.NET, ASP.NET MVC 3/5, ASP.NET Core MVC, Razor Template, AJAX, XHTML, HTML, CSS, JavaScript (ES5, ES6), WinForms, WPF, Windows Mobile, Windows 8 applications (Windows Store applications), Node.js (Jade Template), JQuery, JQuery Mobile, Prototype.js, d3.js, AngularJS 2.0, React, Vue, Svelte, TypeScript, Python, Jupyter Notebook, Plotly, Seaborn, Matplotlib,

Middleware:
IIS 6.0/7.0/8.0, Windows Server Familie (NT, 2000, 2003, 2008, 2012), MS BizTalk Server 2004/2006/2009/2010/2013/2016, Active Directory, MS Exchange 2003/2007/2010/2013, Lync, WFS (Windows File Systems), NetApp, Node.js, Azure (Mobile Services, Cloud Services, ASP.NET Sites, Storages), Kafka, Redis, RQ,

Datenbanken:
MS SQL Server 2000/2005/2008, Azure Storage, Oracle 18c/19c, Redis, Kafka, PostgreSQL, SQlite,

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:
C#, JavaScript, VB.NET, HTML5, CSS3, TypeScript, Python, PowerShell, Bash, Shell,

IDE:
MS Visual Studio, Visual Studio Code, MS Visual Studio Team System / Team Foundation Server, Azure DevOps, GitLab, Jupyter Notebook, Jupyter Lab, Oracle SQL Developer, Rider,

Tools:
Rational XDE, Sparx Enterprise Architect, MS Visio, IBM Rational Clear Case, IBM Rational Clear Quest, Team Foundation System, NUnit, FxCop, NDoc/SandCastle, MSBuild, log4net, Git, GitLab, Subversion, Selenium, Azure DevOps, Pandas, Pytest, Postman,