Description

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.

Domaines d’expertise

Langues

Anglais
Bilingue ou natif
Néerlandais
Capacité professionnelle limitée
Français
Notions

Préférences en matière de lieu de travail

Accepte de travailler sur site

Brussel (jusqu’à 50 km)

Veolia
Freelance Senior Full Stack Developer
juillet 2024 - février 2026 (1 an et 7 mois)
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
décembre 2023 - avril 2024 (4 mois)
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
mars 2023 - octobre 2023 (7 mois)
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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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

Naeem Uddin A.

Freelance Full Stack .NET Developer

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