- RWE Supply & Trading GmbHFreelance Software Engineer C#ENERGIEMai 2021 - November 2022 (1 Jahr und 6 Monate)Development of a Blazor web application & backend services for checking and clearing/matching trades & deals of RWE as well as re-designing the whole application with conception of the software architecture, implementation of a custom framework library including components, creation of a UI prototype, unit/integration and UI tests, Azure DevOps,Coaching of the team (C#, Blazor, Selenium UI tests)
- Production Resource GroupFreelance Software Engineer C#SOFTWARE-HERSTELLERApril 2022 - Heute (3 Jahre und 1 Monat)Entwicklung neuer Komponenten & Webseiten, Integration in ASP.NET, Refactoring bestehender Komponenten, Betreuung der Legacy-Webseiten.Technologien: C#, ASP.NET Core, SiteCore CMS/XP/XM/Headless, HTML/CSS/JavaScript/TypeScript, Azure Cloud, Azure DevOps, Azure DevOps CI/CD/Pipelines
- SimpliMed GmbHFreelance Software Engineer C#SOFTWARE-HERSTELLERMai 2021 - Heute (4 Jahre)Development of several projects:• Development of a complete solution for creating/generating and managing highly customizable (medical) web forms/questionnaires using ASP.NET Core (backend) and Blazor (frontend) for healthcare users to generate web forms from within the software for patients to fill out, developed needed APIs & synchronization.• Developed a digital document/PDF signing solution using ASP.NET Core and Blazor with digital PDF signatures (certificates), custom signature pad and document rendering inside the browser, and all synchronization using custom APIs• Implementation of a central Windows SMB/file share synchronization solution (multiple servers) including ACL with ownCloud as the base for replacing a legacy solution• Development of several console clients with standardized communication format to connect existing legacy applications (VB6/VB.NET) to REST APIs of various service providers,Technologies: C#, Blazor, ASP.NET + EF Core, HTML/CSS/JS, WinForms/Console applications, MySQL/MariaDB, WebDAV, ownCloud/NextCloud, Debian
- Software Development Specialist (Fachinformatiker / FIAE)Interhyp Gruppe2019Development of a cross-platform mobile Xamarin.Native app for iOS & Android including establishment of the release & deployment process with fastlane and Jenkins Skills in database and server administration