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Gianni CalmettesGC

Gianni Calmettes

Lead DotNet Developer

€500/day
Quimperlé, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gianni

Lead .NET developer with over 10 years of experience in designing and developing robust and scalable applications.
I support companies in the realization of their technical projects, from architecture to production, ensuring quality, performance, and maintainability.

Throughout my career, I have worked in international environments, particularly in Germany and Spain, which has allowed me to develop a strong adaptability and excellent intercultural communication skills.

Curious and proactive, I fully commit to each mission with a clear objective: to provide reliable, pragmatic, and sustainable solutions.

Key Skills

.NET / C# Development

Application Architecture & CLOUD

REST APIs, MicroServices & Modular Monolith

Angular (front-end)

Software Quality, Testing, and CI/CD

Technical Support & Mentoring

My Strengths

✔ Strong adaptability
✔ Global project vision (technical & business)
✔ Analytical thinking and complex problem-solving skills
✔ Clear communication with technical and business teams
✔ International experience (Germany, Spain)
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

Remote only
Primarily works remotely

Experience

  • LumaCore,
    Lead DotNet Developer
    TECH
    January 2025 - Today (1 year and 5 months)
    Paris, France
    I am involved in the entire application lifecycle: analysis, design, development, testing, and maintenance. Expert in C# and the Microsoft ecosystem (.NET Core, ASP.NET, Entity Framework, Azure), I help companies modernize their existing solutions and build scalable, performant, and sustainable platforms.
    TypeScript Microservices Angular SQL Server Git
  • Les Grappes,
    Lead DotNet Developer
    January 2023 - January 2025 (2 years)
    Paris, France
    Technical project management in a .NET environment. Maintenance, refactoring, and improvement of existing systems to ensure application stability and performance.
    • Design and development of a new modular platform to facilitate future functional and technological evolutions.
    • Collaboration with business and technical teams to define architecture and development best practices.
    • Mentoring a team of developers.
    • Technical context: .Net Framework / .NET, Angular / JQuery, N-Tier architecture, Redis, AWS, RabbitMq, Redis, Docker, Modular Monolith.
  • Diebold Nixdorf,
    Lead DotNet Developer
    January 2022 - January 2023 (1 year)
    Valence, Spain
    Involvement in a project to integrate a complete software solution for service station management (fuel distribution and convenience store sales). Responsible for maintenance and specific developments required to adapt the solution to the client's context. Technical context: microservices environment, cloud-native approach on Microsoft Azure, asynchronous messaging via RabbitMQ, development in C# / .NET Core.

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Education

  • Master of Management in Information Engineering
    Itescia
    2017
    Master Management des Ingénieries Informatiques
  • Professional Certification in Application Development
    CNAM
    2014
    Certification Professionnelle Développeur d'applications

Skill set

Categories