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Romain L.RL

Romain L.

Expert backend .NET

€650/day
Brest, FR
15+ years
Vue.js
C#
Blazor
.NET
JavaScript

Average response time: 1 hour

Freelancer profile translated to English.
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About Romain

Tech Lead and senior developer with 20 years of experience, I design and develop robust and maintainable applications for demanding contexts. From industrial simulation to custom business tools.
My core business: C#/.NET backend, application architecture, and modern interfaces with Blazor or Vue.js. I am involved in the entire project lifecycle: design, development, testing, deployment, and technical consulting.

What sets me apart: I am not just an executor. I bring a critical eye to technical choices, I adapt quickly to new technologies, and I work as effectively independently as I do supporting an existing team.
I also offer services for creating and redesigning high-performance websites (Astro, Tailwind) for VSEs and SMEs looking for a modern and well-referenced online presence.
Available remotely or in Brittany.

  • French

    Native or bilingual

  • Spanish

    Basic

  • English

    Fluent

  • Norwegian Bokmål

    Conversational

Remote only
Primarily works remotely

Experience

  • NORGAY
    Tech Lead Consultant (C#
    February 2025 - Today (1 year and 5 months)
    Ploudalmézeau, France
    Consulting and development mission on HVAC industrial simulation software. Development of Blazor components, Vue.js/TypeScript integration, .NET 8 multi-tier architecture. Technical referent for architectural choices, code quality, and best practices (xUnit, Playwright).
    Blazor .NET xUnit Vue.js Playwright
  • Groupe Grenat
    Tech Consultant
    SOFTWARE PUBLISHING
    February 2018 - December 2024 (6 years and 10 months)
    Brest, France
    Improvement of the overall software quality (reduction of regressions, securing releases) and support for the team in adopting good development and testing practices.
    C# .NET xUnit Docker Internet of Things
  • Grenat Solution
    Head of R&D Department
    September 2023 - December 2024 (1 year and 3 months)
    Brest, France
    Results: 25% acceleration in time-to-market, mentoring juniors to autonomy, resource management, planning, etc..
    xUnit C# .NET VB.NET Docker
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Education

  • The Rust Programming Language Foundational C# with
    Microsoft
    The Rust Programming Language Foundational C# with
  • Develop applications with Android Discover Kotlin Scrum Master Level 2
    Développer des applications avec Android Découvrir Kotlin Scrum Master Niveau 2
Check out Romain's education

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