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Karl ForstnerKF

Karl Forstner

Founder | Software Engineer / Architect

€680/day
Neunkirchen, AT
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Karl

💻 I support companies in developing custom software solutions based on .NET and C# and further developing existing systems.

⚡ Focus: High-performance, future-proof B2B software – from conception through development to deployment in the cloud (Microsoft Azure) - also AI-powered features and analyses.

🤝 Approach: Close collaboration leads to solutions that perfectly fit my clients' business processes and create real added value.

🛠️ Technologies: .NET, C#, Blazor, Azure, AI Services (e.g., OpenAI)
☁️ Services: Custom software development, modernization & expansion of existing systems, cloud deployment on Azure
📈 Goal: Increase efficiency, optimize processes, and provide long-term software solutions for companies
  • German

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Forstner Software Solutions e.U.
    Founder | Software Engineer / Architect
    SOFTWARE PUBLISHING
    September 2025 - Today (9 months)
    Neunkirchen, Austria
    I develop custom .NET and C# software solutions and modernize existing systems – from conception and development to cloud deployment in Azure. My focus is on high-performance, future-proof B2B software with AI-powered features. Through close collaboration with clients, I create solutions that optimize business processes, increase efficiency, and provide long-term added value.
    ASP.NET C# Blazor Project Management Microsoft Azure
  • ONE-PATH Solutions | ONE-CODE
    Software Engineer
    DIGITAL AND IT
    September 2025 - Today (9 months)
    Neunkirchen, Austria
    As an independent part of ONE-CODE.ONE, I am involved in the technical implementation of ONE PATH. There, secure, scalable applications are created – from prototypes to production-ready systems. My focus is on the architecture and programming of platforms, the integration of data and knowledge, and the development of AI-powered solutions that can be used directly in everyday work.
    C# Blazor Microsoft Azure Project Management Software Architecture
  • Techexx GmbH
    Software Engineer
    SOFTWARE PUBLISHING
    July 2024 - August 2025 (1 year and 1 month)
    Wiener Neustadt, Austria
    As a Software Engineer at Techexx GmbH, I was primarily responsible for the conception, architecture, and development of business software based on ASP.NET Core Web API, Blazor WebAssembly, and PostgreSQL. My tasks included programming in C# and JavaScript, data modeling, API integration, project coordination with Jira, and deployment with Docker and Azure Container Apps. I ensured quality assurance through unit and integration tests (Playwright.NET, xUnit).
    Microsoft Azure Software Architecture ASP.NET C# Blazor

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