I will develop API using dotnet and c sharp

A
alek_kireev
A
alek_kireev
Aleksandr K
develop API using dotnet and c sharp
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develop API using dotnet and c sharp
Full Screen
develop API using dotnet and c sharpdevelop API using dotnet and c sharp

About this gig

API Development | C# | .NET Backend


Are you looking for a reliable .NET backend developer to build or improve your REST API?


I have 10+ years of professional experience developing backend applications with C#, ASP.NET Core, .NET, Entity Framework, SQL Server, PostgreSQL, RabbitMQ, and microservices. I have worked on large-scale e-commerce platforms, API integrations, and production systems.


What I can help you with:

  • Develop REST APIs using ASP.NET Core
  • Build new API endpoints
  • Integrate third-party APIs
  • Fix ASP.NET Core Web API bugs
  • Database integration (SQL Server/PostgreSQL)
  • Entity Framework / EF Core
  • Authentication and authorization
  • API performance optimization
  • Code refactoring and clean architecture
  • Production issue troubleshooting


Why choose me?

  • 10+ years of commercial .NET experience
  • Clean, maintainable, and well-structured code
  • Fast communication
  • Reliable delivery
  • Source code included


Please contact me before placing an order so we can discuss your requirements and choose the best solution for your project.

  • Expertise

    • Debugging
    • Localization
    • Performance
    • Databases
    • Source control

  • Programming language

    • C#

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • React.js

  • Backend framework

    • Other

Get to know Aleksandr K

Aleksandr K

Senior NET Backend Developer

  • FromRussia
  • Member sinceJul 2026

  • Languages

    Russian, English
I am a .NET Backend Developer with over 10 years of experience in developing backend systems for e-commerce and internal business platforms. My expertise includes C#, ASP.NET Core, SQL databases, and microservice architecture. I focus on building reliable integrations and understanding business processes to deliver high-quality results.

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