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Gregory J.GJ

Gregory J.

Senior Software Engineer

€550/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gregory

Looking to make your business applications, web platforms, back-office services, or integration systems more reliable, scalable, or modern?
I can assist you with demanding technical projects, covering architecture, development, and operational management. As a consultant with solid experience, I also work in environments with high volumes, high availability, and performance constraints.

My background has led me to work on various solutions:
  • Content and media management platforms
  • Back-office tools
  • Subscription and access rights services
  • E-commerce applications
  • International partner integrations
  • Data stream processing
  • APIs
  • Cloud services
  • Data synchronization systems

I am accustomed to working on concrete challenges: refactoring legacy applications, migrating to the cloud, performance optimization, data synchronization, and providing technical support to teams.

My goal: to help you build robust, maintainable solutions tailored to your business needs, with a constant focus on quality, reliability, and efficiency.
  • English

    Native or bilingual

  • German

    Basic

Can work on-site
Paris (up to 50km)

Experience

  • CANAL+
    Software Engineer Freelance
    July 2014 - April 2026 (11 years and 9 months)
    Issy-les-Moulineaux, France
    Development and management of back-office solutions for content consumption (Live and VOD) and subscriber management across various platforms (SmartTV, XBox, Playstation, web, mobile, etc.).

    • Project management (planning, inter-team communication)
    • Technical design (analysis and design)
    • Video stream security: DRM management (Widevine, Playready, Nagra), anticipation of piracy risks
    • Performance criteria: maintaining high availability during load peaks related to major sporting events (Ligue 1, Champions League, etc.).
    • Synchronization of access rights with international partners (Netflix, Disney, Apple) and ISPs (SFR, Bouygues, Free, Orange).
    • Work in an international environment (Poland, Korea, Vietnam, US, Africa, etc.)
    • Various projects for migrating legacy systems (application refactoring, cloud migration, database refactoring)

    Environment: AWS (EC2, S3, Lambda, EKS, Redis, Valkey), .NET, Node.js, TypeScript, Oracle, MongoDb, Linux, Debezium Server, Gitlab CI/CD
    .NET C# Oracle Database MongoDB Debezium
  • IKVP
    Consultant .NET Freelance
    January 2013 - May 2014 (1 year and 4 months)
    Paris, France
    Complete redesign of the private sales application

    • Migration from a Ruby on Rails/Linux architecture to the .NET/IIS/Windows ecosystem.
    • Design and deployment of the new infrastructure on Azure.
    • Maintenance and evolution of the brand's event website Saint Laurent.

    Environment: Azure, .NET, SQL Azure, MongoDB, Linux.
    Microsoft Azure .NET SQL Server MySQL Data Migration
  • ValorConseil
    Développeur .NET Freelance
    February 2012 - April 2012 (2 months)
    Paris, France
    Participation in the development of a tool to migrate websites from Microsoft Office Live Small Business (OLSB) to Microsoft Office 365

    • Tool that benefited from global communication from Microsoft to assist clients in their migration process.

    Environment: VB.NET, C#, WinForms.
    VB.NET Winforms C# Data Migration Microsoft Sharepoint

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Education

  • Master of Computer Science
    Univ. Reims
    2006
    Master Informatique
  • Bachelor of Computer Science
    Univ. Reims
    2004
    Licence Informatique

Skill set

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