I will be your freelance c sharp dotnet and react developer

Z
zyco76
Z
zyco76
Romain M
be your freelance c sharp dotnet and react developer
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be your freelance c sharp dotnet and react developer

About this gig

Looking for a reliable developer to join your project or support your team? I work as your freelance developer, on your codebase, with your tools.


Main skills:

  • C# / .NET, ASP.NET Core, Entity Framework, WPF / WinForms
  • React, TypeScript, Next.js
  • Node.js / Express, REST APIs
  • Mobile apps (.NET MAUI, React Native)
  • SQL Server, PostgreSQL, MongoDB
  • Git, Docker, CI/CD, Azure


I can help with:

  • New features and modules
  • Modernizing legacy code (.NET Framework to modern .NET)
  • API development and third-party integrations
  • Desktop, web and mobile applications
  • Code reviews and technical advice


How I work: clear estimates, frequent updates, clean commits and pull requests. I communicate in English and French.


Each package is a block of development hours. For bigger or long-term projects, message me and I will send you a custom offer.

  • Expertise

    • Debugging
    • Performance
    • Design
    • Databases
    • Source control

  • Programming language

    • C#
    • JavaScript
    • PowerShell
    • Python
    • TypeScript
    • HTML & CSS
    • ASP.NET

  • Frontend framework

    • Next.js
    • React.js
    • Tailwind CSS
    • Blazor
    • Other

  • Backend framework

    • Express.js
    • NestJS
    • Node.js
    • Other

Get to know Romain M

Romain M

FullStack Developer CSharp DotNET Blazor React SQL

  • FromFrance
  • Member sinceJun 2025

  • Languages

    French, English
Full-stack developer with 4+ years of experience building and maintaining internal business applications for a major French bank (Crédit Agricole), using C#/.NET (MVC, Blazor), React and SQL Server. I build custom web apps, internal tools, dashboards and showcase websites with admin areas, automated emails and newsletters. I also handle hosting, Docker deployment, ongoing maintenance, logging and monitoring. Clean code, clear communication, deadlines respected. Message me before ordering so we can agree on scope.

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