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Gilles DehaisGD

Gilles Dehais

Lead technique/Developper FullStack .Net / Angular

€730/day
Courbevoie, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gilles

🔎 In a few words
Expert fullstack .Net C#, Angular, Typescript, SQL

High versatility
Strong adaptability to project or business context
18+ years of experience in software development and architecture

🔧 My skills

Technical Lead:
Recruitment, mentoring and training
Implementation of best practices: TDD, clean code, code reviews

Fullstack Development:
Frontend: Angular, ASP.NET, Vue3, Typescript, JavaScript, WPF, NodeJS
Backend: .NET, .NET Core, C#
Databases: SQL Server, Elasticsearch
Cloud: Azure

Application Architecture:
Design of applications from scratch with strategic technology choices
Technological watch

DevOps and Automation:
Continuous integration and deployment (CI/CD)
Tools: Azure, Git, Okta, Appaloosa

Technical Audits:
Performance optimization
Code quality improvement

📢 References
Engie, Vinci Construction France, L'Oréal, Dassault aviation & systèmes, ...

Daily rate to be discussed according to mission conditions
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Courbevoie (up to 50km), Paris (up to 15km)

Experience

  • Groupe Premium
    Senior Developer
    BANKING AND INSURANCE
    May 2025 - Today (1 year and 1 month)
    Boulogne-Billancourt, France
    Context:
    Development of a new tool to send satisfaction surveys to subscribers of new contracts.
    Mission:
    Creation of a platform consisting of a WebApp and its Web API.
    Development of email sending workflows.
    Addition of features to an existing platform for tracking and follow-up of questionnaires.
    C#, Net Core 10.0, SQL Server, Vue3, Angular 19, Azure, Git

    Context:
    Improvement of an existing CRM.
    Mission:
    Implementation of ephemeral commercial opportunities allowing representatives to offer their clients new high-value products with more advantageous commissions.
    Addition of a PER tax calculator to help representatives calculate periodic or one-time payments (art. 163 or 154) for their clients.
    C#, .Net Core 3.1, Vue2, SQL Server, Git
    .NET C# Angular Vue3 SQL Server
  • ENGIE GEM
    Technical Lead
    ENERGY AND UTILITIES
    March 2023 - Today (3 years and 3 months)
    Courbevoie, France
    Creation of a new application to replace 2 old ones (MCF & Nova Pricer). This application displays curves according to maturities for different products such as electricity, gas, oil, etc.

    • Production and validation of technical specifications.
    • Implementation of the technical foundation for an Angular application.
    • Design and development of the application screens.
    • Development of a WebApi in C# .Net Core.
    • Development and implementation of various REST services.
    • Implementation of SignalR for sending curve updates.
    • Support for developers (peer programming).
    • Unit/integration testing.
    • CI/CD automation.
    • Creation of WebApps on Azure. Log management via AppInsights.

    C#, Net Core 8.0, EF, Azure SQL Server, Angular 17, Azure, SignalR, Okta, Git, Agile
  • ENGIE GEM
    Technical Lead
    ENERGY AND UTILITIES
    March 2021 - March 2023 (2 years)
    Courbevoie, France
    Creation of a supervision application to assign and notify traders of authorized underlyings (WHAT), authorized portfolio ranges (WHERE), and authorized trading times (WHEN).

    • Production and validation of technical specifications.
    • Implementation of the technical foundation for an Angular application.
    • Design and development of the application screens.
    • Development of features in a C# .Net Core WebApi.
    • Development and implementation of various REST services.
    • Support for developers (peer programming).
    • Unit/integration testing.
    • CI/CD automation.

    C#, Net Core 3.1, EF, SQL Server 2019, Angular 12, Azure, Okta, Git, Agile

Recommendations

Eric HoltzmannEH
FU
Eric Holtzmann and 1 other person have recommended Gilles

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Education

  • Engineering degree
    ESILV
    2007

Skill set

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