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Xavier A.XA

Xavier A.

Senior .NET Developer

€670/day
4 projects
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Xavier

+20 years in .NET development, including +6 years as a freelancer (2009-2011 and 2015 to present)

Skills:
• Languages
C#, VB.Net, dotnet core, dotnet 6/7/8/9/10 Linq, Ajax Asp.Net and JQuery, ASP.Net core/framework 1.1/2.0/3.5/4.0, 4.5,4.6, 4.8, MVC, HTML and HTML5, JavaScript,XML, SQL, Transact/PL SQL, WPF, Powershell,
Angular: notions
- cloud: Azure and AWS
- devops and ci/cd: Jenkins, TeamCity
• DBMS
SQL Server 2000, 2005, 2008, 2008 R2, 2016, 2019/2022 – Oracle (8i, 9i, 10i, 11, 12c) – Sybase - Database Modeling - Stored Procedures, Master Data Management (Microsoft Master Data Services)
• Development
Visual Studio 2003/2005/2008/2010/2012/2013/2015/2017/2019/2022/2026 (insider) .NET, Use of MS SourceSafe (6.0 and 2005), TFS, IIS Application Servers 5, 6, 7, 7.5, Nhibernate, GIT, Entity Framework, MVC, WCF, Swagger, MVVM, Prism, Autofac, Github Copilot
• Methods
Agile, Scrum (user) UML, Gantt Charts, Pert, use of Power AMC, JIRA
• Systems
Windows (all versions)
• Languages
Fluent English (graduated from "Cambridge First Certificate"), C level (pass)
current level: C1 (945/990 TOEIC): numerous stays abroad, work in English for various foreign companies
Russian: notions
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 10km)

Experience

  • Echosens
    Senior .NET Developer
    MEDICAL
    January 2025 - Today (1 year and 5 months)
    Paris, France
    Development of user interfaces for FIBROSCAN medical applications (liver/spleen elastography/ultrasound) embedded or desktop, using WPF with the MVVM pattern. Integration of hardware components (sensors, medical devices) via specific APIs and protocols. Creation of internal testing and development tools (WinUI). Update/improvement of Jenkins pipelines. Implementation using Agile/Scrum methodology and documentation. Maintenance and evolution of existing software, with a focus on performance, reliability, and regulatory compliance (medical standards like ISO 13485). Collaboration with a team of 4 developers, frequent deliveries in 2-week cycles. Environment: VS 2022, .NET 4.8, WPF, Bitbucket, Jira, CI/CD with Teamcity and Jenkins, WinUI
    Atlassian JIRA Jenkins dotnet Microsoft Copilot TeamCity
  • Photobooth
    Full Stack Developer: C# ASP.NET / dot net 10 / core / web api
    SOFTWARE PUBLISHING
    January 2022 - Today (4 years and 5 months)
    Paris, France
    Development of updates and fixes, independently, on a Photobooth software suite (rental of photo booths + printing for B2C and B2B events). Maintenance on a fleet of about a hundred booths in France, Belgium, and Luxembourg. Client-server application with IIS server on Azure. Front-end in ASP.NET 4.8 MVC, thick client in WPF C# 4.8, MySQL and SQLite databases, use of CANON camera management API and professional DNP printer management. Delivery of new versions to client and server stations. Proactive contribution. + new photobooth project in dotnet 10 / asp.NET CORE WEB API
    dotnet
  • Amarile
    Senior Dotnet Developer
    ENERGY AND UTILITIES
    December 2021 - December 2023 (2 years)
    Paris, France
    Development of specialized software suite for petroleum engineering. Implementation using Agile/Scrum methodology, TDD integration, and documentation. Collaboration with a team of 5 developers, frequent deliveries in 2-week cycles. Technical environment: VS 2019 and VS2022, dot net 4.8 and WPF, Test Driven Development (TDD), Mercurial (source code control and versioning), TortoiseHG, Redmine (tracking management)
    dotnet Redmine Microsoft Visual Studio TDD Mercurial

Recommendations

FU
FU
Former user and 1 other person have recommended Xavier

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Education

  • Microsoft® Certified Technology Specialist (MCTS)
    online training
    2012
    ● D940-1552 -.NET Framework 4, Data Access - 06/29/2012 ● D725-7471 - .NET Framework 4, Windows® Applications - 04/16/2012 Microsoft Certified Professional ● B013-4650 - MCP -- Certified Professional (Legacy) - 06/14/2007 ● 516 TS: Accessing Data with Microsoft .NET Framework 4 (June 29, 2012) ● 511 TS: Windows Applications Development with Microsoft .NET Framework 4 (April 16, 2012) ● 562 TS: Microsoft .NET Framework 3.5, ASP.NET Application Development (May 28, 2010) ● 305 Developing and Implementing Web Applications with Microsoft® Visual Basic® .NET and Microsoft® Visual Studio® .NET (February 10, 2009) ● 270 Installing, Configuring, and Administering Microsoft® Windows® XP Professional (June 14, 2007) - Microsoft Community Contributor Award (MCC 2011)
  • Information Processing Engineering Training
    AFCEPF
    2005
    BAC+4 - niveau Licence/Maîtrise (compétences J2EE/.NET, gestion de projets)

Skill set

Categories