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Mathis Valles MazzolaMV

Mathis Valles Mazzola

Fullstack Developer

€125/day
Lyon, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mathis

Senior fullstack developer immediately available for urgent missions.

Do you have a blocking bug, a website that no longer works, an API to fix, or a script to develop quickly?
I can intervene within the hour and deliver concrete solutions without wasting time.

I mainly intervene on:

Correction of critical bugs (prod, API, backend, frontend)
Rapid development of scripts, automations, and internal tools
Creation or modification of APIs (.NET, Node, Python)
Debugging and optimization of existing code
Implementation of services, workers, micro-tools
Deployment and resolution of urgent technical problems

Technologies mastered:

C#, .NET / ASP.NET Core (expert)
TypeScript / JavaScript
Python, PHP
HTML / CSS
Microsoft environment & complex backend

What sets me apart:

Immediately available (quick response)
Direct and efficient approach (no unnecessary jargon)
Able to quickly understand and fix an existing project
Comfortable with short and urgent missions

⚡ I prioritize quick missions with immediate impact.
💬 Feel free to contact me, I can start right away.
  • French

    Native or bilingual

  • English

    Fluent

  • Italian

    Conversational

Remote only
Primarily works remotely

Experience

  • AkOFFICE
    Fullstack Developer
    January 2022 - Today (4 years and 7 months)
    Lyon, France
    • • Creation and optimization of web applications with high performance.
    • • Development of custom tools to improve team productivity.
    • • Creation of custom backend systems
    WEB Application Development Micro Software Development API Workers Web Services
  • EtikId
    IT Director
    REAL ESTATE
    January 2024 - Today (2 years and 7 months)
    Lyon, France
    IT Director & Founder of the Etikid project

    I designed, developed, and single-handedly managed the Etikid project, a digital solution designed to meet concrete needs around organization, management, and user experience in its field of activity.

    As IT Director, I oversaw the entire project lifecycle: from the initial idea to functional design, including technical architecture, development, tool implementation, data management, security, testing, and continuous improvement.

    This project allowed me to manage both the product vision, technological choices, and operational implementation, with an approach focused on performance, reliability, and scalability. I also structured the IT processes necessary for the platform's smooth operation, while ensuring a clear, efficient, and user-friendly solution.

    Main responsibilities
    Complete creation of the Etikid project, from idea to operational product
    Definition of the product vision and main features
    Design of the technical architecture and user journeys
    Development and integration of different technical components
    Implementation of data management, security, and access
    Management of testing, corrections, optimizations, and evolutions
    Autonomous management of the project, priorities, and technical decisions
    Structuring the IT department around the project
    Skills used
    IT Management, digital project management, product design, technical architecture, web development, automation, database management, IT security, UX/UI, digital strategy, problem-solving, autonomy, technical leadership.
    C# .NET Software Architecture Web Services
  • XEFI RILLIEUX LA PAPE
    Developer
    March 2024 - May 2025 (1 year and 2 months)
    • • Participation in the development of new web applications.
    • • Development of external tools for time saving.
    • • Elaboration of ergonomic improvements for applications.
    • • Maintenance of tools and software in case of incidents.

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Education

  • null
    OPEN CLASSROOM

Skill set

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