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Naeem Uddin A.NU

Naeem Uddin A.

Freelance Full Stack .NET Developer

€550/day
Brussel, BE
8-15 years

Average response time: 1 hour

About Naeem Uddin

Fullstack .NET Developer with 15+ years building backend systems and full-stack applications for clients across multiple industries.

I help technical leaders ship complex .NET projects on time: new APIs and microservices, legacy modernization, cloud migrations to Azure, and integrations that need to work in production from day one - not just in a demo.
Recent work has covered:
  • Designing and building .NET 8/9 Web APIs and microservices with clean architecture, CQRS, and proper testing
  • Migrating legacy .NET Framework systems to modern .NET on Azure (App Service, Functions, Container Apps)
  • Backend integrations with third-party APIs, identity providers, and SaaS platforms
  • Performance and scalability work on systems
  • Frontend collaboration with Blazor / Angular teams when full-stack delivery is needed
  • Most recently exploring AI integration in .NET. RAG, Semantic Kernel, Azure OpenAI, and applying it to enterprise systems
I've worked across multiple industries, which means I adapt quickly to new domains and team setups. I'm comfortable being the technical voice in a small team or one of several in a larger one, and equally comfortable just shipping features when that's what the project needs.
Working through my own BV/SRL based in Brussels. Available for missions in Brussels, hybrid, or fully remote within EU time zones. Comfortable working in English; learning Dutch.
If you have a backend-heavy .NET project, a modernization effort, or need a pair of hands who can also think architecture. happy to discuss.
  • English

    Native or bilingual

  • Dutch

    Conversational

  • French

    Basic

Can work on-site
Brussel (up to 50km)

Experience

  • Veolia
    Freelance Senior Full Stack Developer
    July 2024 - February 2026 (1 year and 7 months)
    Brussels, Belgium
    • Delivered .NET 8 and Angular applications for internal teams, using Clean Architecture and CQRS with MediatR.
    • Led the Xamarin.Forms to .NET MAUI 8 migration on a field-operations app: worked through the breaking changes
    from XF, rebuilt 10+ deprecated custom controls, and got measurable startup-time gains on lower-end devices.
    • Modernized a legacy Java tool onto Maven and built an OCR pipeline (OpenCV + Tesseract) feeding into FileNet ECM.
    Solved a tricky channel-mapping bug in the OpenCV / BufferedImage interop and added an Otsu binarization step that
    cleaned up mobile-captured documents before editing.
    • Extended a VB.NET / Razor Pages operational platform with new feature modules and SSRS reporting, working
    alongside the existing C# backend and SQL Server / SSIS pipelines.
    • Reviewed pull requests with a focus on clean architecture, dependency injection, and testability.
    C# .NET Angular Java SQL Server
  • JAK Solutions
    Full Stack .NET Developer
    December 2023 - April 2024 (4 months)
    Belgium
    • Built ASP.NET Core REST APIs and Angular / Blazor frontends for a document management and workflow product.
    • Set up the CI/CD on Docker and GitHub Actions, deploying to a private cloud, replacing a manual release process.
    • Added SignalR-based real-time updates and integrated third-party services for media (Cloudinary), authentication
    (OAuth2), and federated identity (SAML).
    .NET Angular Blazor C# PostgreSQL
  • OneSpan
    Software Engineer
    March 2023 - October 2023 (7 months)
    Belgium
    • Extended a .NET 7 distribution and device-logistics platform: improved the workflow that generates customer letters,
    tracks software licenses, and provisions hardware tokens.
    • Tightened security on the platform, wired up AES / 3DES at rest, and added MFA for the migration tooling so device
    authentication remained compliant during data moves.
    .NET C++ Encryption C# Embedded Systems

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Education

  • Bachelor of Science in Computer Science
    [ISRA University]
    2008
    Bachelor of Science in Computer Science
  • Microsoft Azure Fundamentals AZ-900
    2026
    Microsoft Azure Fundamentals AZ-900

Skill set

Categories