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David ZwozdziakDZ

David Zwozdziak

Backend Developpeur .NET

€555/day
Bruxelles, BE
8-15 years

Average response time: 4 hours

About David

🔹 Développeur .NET Backend avec plus de 15 ans d’expérience dans la conception et le développement d’applications robustes, évolutives et performantes.
Spécialisé en .NET Core / C#, API REST, microservices, SQL Server, tests automatisés, CI/CD et Azure Cloud Services (App Services, Functions, Key Vault, Storage, Service Bus…), j’interviens sur des projets complexes en environnement agile, avec un fort niveau d’exigence (finance, industrie, assurance).

✅ Maîtrise des architectures distribuées, de la qualité du code (Clean Code, SOLID), des pratiques DevOps et des déploiements cloud natifs sur Azure.
✅ Bon communicant, impliqué fonctionnellement, à l’aise en pair programming et en collaboration avec les équipes produit, QA et front-end.
  • French

    Native or bilingual

  • English

    Fluent

  • Polish

    Native or bilingual

  • Dutch

    Conversational

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

Experience

  • Freelance
    AI & .NET Developer
    March 2023 - Today (3 years and 5 months)
    • Designed and developed PoCs integrating Azure OpenAI, GPT, Form Recognizer, and other Azure AI services into ASP.NET Core apps
    • Built intelligent virtual agents using:
    ◦ GPT (Azure OpenAI) for natural language responses
    ◦ Form Recognizer for document automation
    ◦ Speech-to-Text & Text-to-Speech for voice interaction
    ◦ Azure Search for semantic queries
    • Evaluated AI outputs and adjusted prompts to enhance relevance and clarity
    • Experienced in developing dynamic and responsive web applications using Angular, including component-based architecture, reactive forms, HTTP client services, and integration with RESTful APIs.
    • Proficient in Angular (v8+), with strong expertise in building modular front-end applications using TypeScript, RxJS, NgRx for state management, and Angular CLI for optimized builds and deployments.
    • Provided structured feedback on language generation and content accuracy
    • Performed continuous monitoring on model behavior and usability
    • Implemented serverless architecture with CI/CD (GitHub Actions, Azure DevOps)
  • GroupS
    .Net Developer
    February 2023 - March 2024 (1 year and 1 month)
    Responsibility : Implement Backend API for new application portal with Visual studio 2022 Description: Oracle database , .Net Core 6.0, MVVM, ForgeRock, Blazor
  • Materialise
    .Net Developer
    October 2021 - December 2022 (1 year and 2 months)
    Responsibility : Implement WorkFlow based on FlowWright Technologies for 3d Printing Description: SQL Server 2022, .Net Core 3.1, Uwp,Wpf/xaml, Blazor, ,FlowWright 9.10

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Education

  • Microsoft Certification 70-487 Developing Microsoft
    Microsoft Certification 70-487 Developing Microsoft
  • Courses
    VB.NET
    Courses

Skill set

Categories