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Raphael DelcroixRD

Raphael Delcroix

Fullstack Developer

€500/day
Dijon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Raphael

Senior Full-Stack Developer, I design and evolve complete business applications, from backend architecture to the final user experience.

My goal is not just to "make code work", but to build reliable, maintainable, and business-useful solutions: performance, network robustness, scalability, and user-friendliness are integral to my technical decisions.

Main Stack

Backend: .NET / C# (API, real-time services, hardware integrations, distributed systems)

Frontend: React, TypeScript, rich web applications

Real-time & Communication: WebSocket, SignalR, connected systems

Architecture: application design, modeling, network resilience, deployment

Database: SQL, optimization, business data structuring

What I bring to a project

Quick understanding of the business and product constraints

Ability to work on complex existing systems without breaking them

Architectural vision + pragmatism (no over-engineering)

Diagnosis and resolution of difficult bugs

Complete autonomy until production deployment

I am used to collaborating directly with product and business teams to transform a vague need into a clear and sustainable technical solution.

If you are looking for a developer capable of taking ownership of a project end-to-end — or of unblocking a struggling project — we should get along well.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • BLIC
    Full stack Developer
    LOGISTICS AND SUPPLY CHAIN
    January 2024 - December 2025 (1 year and 11 months)
    Lyon, France
    - Development and operational maintenance of a .NET / REACT software solution for a platform controlling connected equipment deployed at several clients.
    - Embedded challenges with hardware and connection constraints
    - Deployment and hosting of the complete solution
    - Active use of AI in our development processes
    .NET ASP.NET Core JavaScript React Docker
  • EPSI - L'école d'ingénierie informatique
    Trainer
    November 2022 - June 2023 (7 months)
    Auxerre, France
    Intervention and coaching on various development projects, with support in learning and implementing solutions.
  • Burgundy School of Business
    Trainer
    January 2023 - March 2023 (2 months)
    21000 Dijon, France
    Instructor on the basics of WEB HTML CSS WORDPRESS

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Education

  • Expert in Computer Systems, Computer Engineering
    Diiage
    2022
    Expert en Système informatique, Ingénierie informatique
  • BTS SIO SLAM option, Programming / Computer Developer, General
    LPP Saint Bénigne
    2019
    BTS SIO option SLAM, Programmation / développeur informatique, général

Skill set

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