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Sergej HeinSH

Sergej Hein

Fullstack Developer | C#, .NET, Blazor, WPF, REST

€400/day
Schweinfurt, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sergej

My name is Sergej Hein, and I am a software developer from Schweinfurt specializing in the development of modern .NET applications for desktop and web.

I have successfully realized projects for clients from the manufacturing industry (metal/metrology) as well as trade. This includes the new development and further development of ERP modules, the adaptation of existing systems, and the integration of external interfaces.

My Expertise:

Programming Languages: C#

Databases: MSSQL, Oracle

Technologies & Frameworks: .NET Framework, .NET Core, Blazor (Server/WASM), WPF, ASP.NET Core, Entity Framework

API Development: Creation of secure REST interfaces, integration of external systems, and optimization of data flows

Industry Experience: Metal processing industry, trade, warehouse/logistics


I place particular emphasis on clean, maintainable code, close and long-term cooperation with my clients, and the development of high-performance solutions that are individually tailored to your business processes.
  • German

    Native or bilingual

  • Russian

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Eikona AG
    Backend Software Developer
    SOFTWARE PUBLISHING
    September 2023 - Today (2 years and 9 months)
    Volkach, Germany
    Further development of warehouse/logistics software in the .NET environment, development of interfaces (REST, FTP, SFTP) for customer ERP systems.
    Integration of external interfaces such as UPS or Microsoft Dynamics.
    Onboarding of new customers to the order management system, further development of the microservices of the order management system
    Microservices Web Project Management ASP.NET REST REST API FTP SFTP Logistics Warehouse Management
  • fbS computer service GmbH
    Full Stack Software Developer
    SOFTWARE PUBLISHING
    February 2022 - August 2023 (1 year and 7 months)
    Schweinfurt, Germany
    Further development of ERP software based on WPF & C# for medium-sized manufacturing and metal processing companies in the .NET environment. Elaboration of requirements with customers and implementation of requirements.
    WPF ERP Inventory Management Systems Inventory Management REST REST API XAML Infragistics

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Education

  • IT Specialist for Application Development
    Aurelia AG
    2022
    Ausbildung zum Softwareentwickler

Skill set

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