Freelancer profile translated to English.
Back to original languageAbout Christophe
Senior freelance .NET developer with 13+ years of experience, specializing in C#, .NET (Framework, .NET Core, .NET 8) and business application development. I work on high-stakes projects in Azure environments, with a constant focus on reliability, maintainability, and controlled deployment.
I assist my clients with:
- Development and maintenance of .NET applications
- Modernization of existing solutions (legacy → .NET Core / .NET 8),
- Design of high-performance REST APIs and backend services,
- Application integration and system interoperability (BizTalk, OData, SAP),
- Setting up CI/CD on Azure DevOps and preparation for Azure cloud deployment (hybrid environments, targeted containerization with Docker).
Concrete results achieved:
- Successful critical application migrations without service interruption,
- Stabilization of .NET applications in production with reduced incidents,
- Improvement of maintainability and performance on existing business applications,
- Measurable productivity gains for teams through automation.
My approach is pragmatic and results-oriented: secure the existing, deliver quickly and cleanly, evolve towards Azure when it brings real business value.
I am available for team augmentation as well as independent project management.
Key skills: .NET Developer, C#, .NET 8, SQL Server, Azure, REST API, Azure DevOps, CI/CD, Docker
Methods: Clean Code, SOLID, DDD, TDD
Languages: Fluent French, Professional English
French
Native or bilingual
English
Fluent
Can work on-site
Thionville (up to 50km)
Experience
- OTANSenior .Net DeveloperJuly 2015 - Today (10 years and 11 months)Luxembourg, LuxembourgRefactoring of a complex application system, then operational maintenance and support for end-users. Missions: Migration of BizTalk Server 2016 to 2020 Development of ancillary applications (API, Frontend) Operational management.Net Core Biztalk SQL CI/CD Microservices
- LombardOdierSenior .Net DeveloperBANKING AND INSURANCEJanuary 2021 - August 2021 (7 months)Luxembourg, LuxembourgContext: Creation of internal tools for bank managers.Missions:- Creation of an Angular application- Development of .Net Core REST APIs
- TotalEnergies TOTSA.Net DeveloperENERGY AND UTILITIESMay 2012 - July 2015 (3 years and 2 months)Toulouse, FranceContext: Digitalization of internal processes to facilitate and accelerate processing by the business.Missions:Writing detailed functional specificationsDatabase designDevelopment of ASP.NET Web Forms applications
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Education
- MasterSupinfo2012
Certifications
- Microsoft Certified Solution DeveloperMicrosoft2018