Freelancer profile translated to English.

Description

Are you looking for a .NET Backend developer capable of taking over an existing project, modernizing a business application, or developing a high-performance, maintainable API?

With over 15 years of experience, I support companies in the design, development, and evolution of business applications in C#/.NET. I work on both legacy projects and modern architectures based on ASP.NET Core, REST APIs, and microservices.

I bring strong expertise in backend development, SQL Server optimization, database design, API integration, application migration to recent .NET versions, and performance improvement.

My main skills:

• C#, .NET Framework, .NET 6/8

• ASP.NET Core, Web API

• Entity Framework Core, ADO.NET

• SQL Server, PostgreSQL

• REST API, Microservices

• Clean Architecture, DDD, CQRS

• Git, Azure DevOps

I have participated in the development of solutions in various sectors, including Hotel Management Software (PMS), CRM, ERP, e-commerce, and booking platforms.

I can be involved in:

REST API Development
ASP.NET Core Applications
Maintenance and evolution of existing applications
Migration of .NET Framework projects to modern .NET
SQL and performance optimization
Bug fixing and refactoring
Database design
Development of new features

I am recognized for my rigor, my autonomy, and my ability to quickly understand business needs in order to propose reliable, scalable, and quality solutions.

Available immediately for short or long-term assignments.

Industry field of expertise

Languages

French
Fluent

Workplace preferences

Remote only

Primarily works remotely

FILOVENT
.NET Consultant
March 2025 - May 2026 (1 year and 2 months)
• - Evolution and maintenance of the website's REST APIs and internal CRM
• - Development of new backend features in C# / ASP.NET Core
• - Integration of external services (OpenAI, Zoho, etc.)
• - Optimization of application performance and SQL Server queries
• - Technical analysis, anomaly correction, and continuous system improvement
• - Contribution to the stability and evolution of the backend architecture
Matys / EBP France
Study Engineer / .NET Developer
July 2023 - February 2025 (1 year and 7 months)
Development of a business platform in a microservices architecture in an Agile environment.
• - Participation in Agile ceremonies (daily, sprint planning, review, retrospectives)
• - Analysis and translation of User Stories into technical solutions
• - Estimation of workloads and development planning
• - Backend development in C# / ASP.NET Core in a microservices architecture
• - Design and development of interconnected REST services
• - Implementation of CQRS and Domain Driven Design (DDD)
• - Development and security of internal and partner APIs
• - Application of best practices (SOLID, Clean Code)
• - Code reviews and continuous improvement of software quality
PLURIEL
.NET / C# Programmer Analyst
January 2013 - June 2023 (10 years and 5 months)
Development and evolution of hotel management solutions (PMS).
• - Development of .NET applications (WinForms, ASP.NET)
• - Design of business modules in C# / VB.NET
• - Development and optimization of reports (Crystal Reports)
• - Migration of FoxPro databases to SQL Server and PostgreSQL
• - Development of REST APIs for booking systems
• - Optimization of SQL performance and complex queries
• - Corrective and evolutionary maintenance of critical systems