I will develop high performance dotnet 9 and csharp backend apis

J
jamil_ahmadzai
J
jamil_ahmadzai
Jamil A
develop high performance dotnet 9 and csharp backend apis
Full Screen
develop high performance dotnet 9 and csharp backend apis
Full Screen
develop high performance dotnet 9 and csharp backend apisdevelop high performance dotnet 9 and csharp backend apis

About this gig

Need a high-performance backend with .NET 9 and C#? I am a Software Engineer (MSc CS, Germany) with 4+ years of experience in web development. I provide enterprise-level development using Clean Architecture and SOLID principles to ensure your code is scalable and maintainable.


Expertise & Services:

  • API Development: High-speed RESTful APIs using .NET 9 and ASP.NET Core.
  • Bug Fixing: Debugging build errors, runtime exceptions, and logic issues.
  • Database Management: Expert integration with SQL Server, PostgreSQL, or MongoDB via EF Core.
  • Performance Tuning: LINQ optimization and OData for efficient data querying.
  • Security: JWT, OAuth2, and Identity Server for robust authentication.
  • Refactoring: Modernizing legacy C# into async, testable modules.


Why Choose Me?

  • MSc Computer Science (Paderborn, Germany): Engineering precision and academic excellence.
  • Scalable Architecture: Built for growth and high-traffic reliability.
  • Clean Code: Industry-standard, documented, and modular C#.


Message me to discuss your requirements before ordering to ensure the best solution for your project!

  • Website type

    • Saas

  • Programming language

    • ASP.NET
    • PHP
    • TypeScript
    • C#
    • React

  • Website features

    • Inventory
    • Analytics
    • Form
    • Map
    • Gallery
    • Calendar
    • Dashboard
    • Reviews
    • User Authentication
    • Admin Panel
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Get to know Jamil A

Jamil A

Fullstack Developer

  • FromGermany
  • Member sinceFeb 2026

  • Languages

    English, German
MSc Computer Science (Paderborn, Germany) with 4+ years of Fullstack experience. I specialize in React 19/TypeScript, .NET 9.0/C# and PHP (Symfony) to build scalable, high-performance web apps. Core Skills: • Frontend: React 19, NextJS, Vite, Micro-frontends, Module Federation, Syncfusion. • Backend: .NET 9.0 Web APIs (OData, EF Core), PHP (Symfony). • DevOps: PostgreSQL, RabbitMQ (Event-driven), MongoDB, Redis, Docker, Nginx. Expect clean, European-standard code and reliable end-to-end solutions. Ready for your fullstack challenge? Let's get it done!

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