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Kévin MazelinKM

Kévin Mazelin

.NET Developer | Business Applications | Support

€590/day
Metz, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kévin

💻 Versatile .NET Developer with experience in application development, ERP maintenance, technical support, and business environments.
I help companies maintain, evolve, and stabilize their internal applications and tools while ensuring reliable technical support for users.

🔧 Throughout my experiences, I have worked in various sectors: medical, metallurgy, telecom, startup, and communication.

I have participated in:
• ERP maintenance and evolution
• Development of desktop, web, and mobile applications
• Application and technical support
• Business needs analysis
• IT quality and security projects
• Internal IT solutions administration

🧠 Main Technologies:
C# /.NET • SQL Server • VB.NET • React Native • JavaScript • WordPress • Shopify • GitLab • VBA • IT Support • Windows Server • Active Directory

🚀 Curious and adaptable, I particularly enjoy understanding technical and functional challenges to propose concrete and pragmatic solutions.
📩 Open to opportunities in application development, technical support, and versatile IT projects.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • I-VIRTUAL
    Scrum Master
    MEDICAL
    March 2021 - May 2024 (3 years and 2 months)
    Metz, France
    Context:
    Integration of a startup specializing in signal processing and computer vision in the medical field. Participation in the development of mobile and web applications around a real-time video processing library, in an Agile environment with quality constraints related to the IEC 62304 standard.

    Missions and achievements:
    Participation in the development of several mobile and web POCs around a React Native library used for real-time client/server communication. Work on video transmission and WebSocket issues with module adaptation to improve web compatibility.

    Participation in technical analysis, specifications, testing, and project quality organization. Implementation and monitoring of releases, writing technical documentation, planning unit, integration, and performance tests.

    Facilitation of daily Agile stand-ups, technical coaching of teams, and client support in English. Participation in internal IT security matters, software deployment, and administration of the company's WordPress site.

    Technologies:
    React Native • JavaScript • Node.js • WebSocket • GitLab • Jest • C# • WPF/XAML • WordPress • Python • Flutter • Xamarin • Ionic • Android • iOS • Agile/Scrum • IEC 62304 • JIRA
    .NET C# Jira/Confluence Python Wordpress
  • Lotus Bleu
    Full Stack Engineer
    PRESS AND MEDIA
    November 2019 - July 2020 (8 months)
    Metz, France
    Context:
    Joined a communication agency to manage the IT infrastructure, provide technical support to teams, and maintain business tools used for producing and managing client catalogs.

    Missions and achievements:
    Administration of users and the Active Directory domain, access rights management, installation and maintenance of workstations, and implementation of VPN solutions for remote work. Daily user support on internal tools and the Windows environment.

    Participation in the development and maintenance of internal applications in VB.NET with SQL Server and WCF. Management of the company's WordPress site, IIS/FTP maintenance, and support for teams on technical procedures related to production.

    Technologies:
    VB.NET • SQL Server • WCF • Active Directory • IIS • VPN • WordPress • Windows Server • FTP • User Support • Networking • Adobe InDesign
    .NET SQL Server
  • Adista
    Developer Analyst
    TECH
    December 2017 - March 2019 (1 year and 3 months)
    Nancy, France
    Context:
    Joined Adista's DOSI department to participate in the maintenance and evolution of an internal ERP used by business teams. Worked in an Agile environment using .NET technologies, including production maintenance, application support, and participation in migration to a new ERP version.

    Missions and achievements:
    Handled maintenance tickets and bug fixes using the Mantis tool for an ERP developed in VB.NET and SQL Server. Participated in the technical analysis of the existing system, wrote documentation, and modeled the database using UML.

    Developed new modules in C#/.NET as part of the migration to NOVA 2, created business management interfaces, and wrote SQL scripts for production data maintenance and correction. Participated in unit testing and internal user technical support.

    Technologies:
    C# • VB.NET • SQL Server • SSMS • DevExpress • Telerik • ASP.NET Core • Entity Framework • Visual Studio • TFS • UML • Mantis • WinForms • Adobe Captivate
    C# .NET SQL Server

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Education

  • Professional Bachelor's Degree - Software Engineering
    University of Lorraine
    2015

Skill set

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