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Blaise LegeaiBL

Blaise Legeai

Fullstack Developer | .NET C# | Angular

€580/day
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Blaise

Looking for a C# .NET developer to join your team?
You're in the right place.

I am a software engineer with over 8 years of experience and a specialist in C# .NET development.

I have worked in various sectors such as industry, insurance, and services.
I have collaborated with companies such as:
- Ponticelli
- CNP Assurances
- La Poste Groupe

I am able to:
- Design, develop, and maintain features in line with business needs
- Participate in the writing of detailed technical specifications
- Analyze the impact of product design on the IT technical architecture
- Design and develop desktop applications (Winform / WPF)
- Develop the front-end in WPF, ASP.NET, Angular.
- Develop the back-end in C# .NET
- Set up relational databases (SqlServer, Postgres, MySql)
- Develop APIs
- Define software architecture such as MVC, MVVM
- Set up CI / CD
- Write technical documentation
- Perform unit and integration tests to ensure code quality
- Participate in refactoring, continuous improvement, and code review contributions

I also have knowledge of:
- EntityFramework
- Agile/Scrum methodologies
- VisualStudio
- Rider.

I also place great importance on transparency with my clients.
I send a daily report to my clients at the end of the day on all the tasks I have performed.

Do you have a project?
Contact me.

Technical context: csharp, dotnet, C#, ASP.NET Core, fullstack, C# backend, .NET backend, Angular frontend, web application, .net backend, Angular frontend, AngularJS, Angular Material, .NET Angular full-stack, full stack, thick client.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Nantes (up to 50km), Paris (up to 50km), Lille (up to 50km), Rennes (up to 50km), Bordeaux (up to 50km)

Experience

  • Crédit Agricole Atlantique - Vendée
    .Net C# Developer
    BANKING AND INSURANCE
    June 2025 - Today (1 year and 2 months)
    Nantes, France
    I performed this mission as a freelancer.
    Crédit Agricole is a French bank offering financial services internationally, with the group owning the largest network of cooperative and mutual banks in the world[4], including thirty-nine regional Crédit Agricole banks in France. In 2024, Crédit Agricole is the ninth largest bank in the world by assets, the second largest in France after BNP Paribas[5].

    Officially established in 1894 to facilitate investments in the agricultural industry and historically organized according to a mutual system among the various regional banks with state support, it became, from the end of the 20th century, a private, generalist, and international banking group, listed through its holding company Crédit Agricole SA on the CAC 40 index of the Paris stock exchange.

    I joined the Tech Dev team to participate in the redesign of their application developed in C# asp blazor.

    The team consisted of:
    - 3 project managers
    - 5 Developers
    - 1 Tech lead

    I contributed to the development of several applications:
    - Management of credit and insurance evolution
    - Customer portfolio management
    - Application maintenance

    Technical context: C#, ASP, .net 8, RAZOR, migration, unit tests, dependency injection, design pattern, gitlab, gitflow, merge request, CI/CD, UX/UI, Teamwork, knowledge sharing
    .NET ASP.NET MVC Razor EF Core Code First
  • La Poste Groupe
    .Net C# Developer
    September 2022 - December 2023 (1 year and 3 months)
    Nantes, France
    As the leading local commercial network in France, the La Poste group is organized into 4 business divisions: Mail-Parcels Services, Banking and Insurance, Physical and Digital Distribution, GeoPost/DPDGroup for international operations. Present in over 63 countries across 5 continents, it generated a revenue of €34.1 billion in 2023.

    I joined the Automate team to participate in the development and application maintenance of La Poste's automated systems developed in C# WPF.

    We were organized into 3 squads, mine consisted of:
    • 2 PPOs (Proxy Product Owners)
    • 1 Scrum Master
    • 1 Tester
    • 1 Tech Lead
    • 1 Backup TL

    This organization was supplemented by a testing squad of 5 people.
    I contributed to the following developments:
    • Development of new features (C# .net) for the automated systems
    • Application maintenance
    • Responsible for payment system maintenance

    Technical context: C#, WPF, .net Framework 4.0, .net Framework 4.8, migration, unit tests, dependency injection, design pattern, Jira, gitlab, gitflow, merge request, CI
    C# .NET C# C# Development C# .NET Development C# Programming WPF ASP.NET ASP.NET MVC ASP.NET Core ASP.NET Web API ASP.NET WebForms Unit Test Unit Tests Atlassian JIRA Jira Jira/Confluence Design Pattern Design Patterns Git GitHub Gitlab Gitlab CI/CD merge request
  • CNP Assurances
    .Net C# Developer
    January 2021 - June 2022 (1 year and 5 months)
    Angers, France
    A provider of property and casualty insurance, the CNP Assurances group has over 8,300 employees. Its net profit amounted to €1.55 billion in 2023.
    As a subsidiary of La Banque Postale, the group is the No. 2 provider of mortgage borrower insurance and life insurance in France. It is the 5th largest insurer in Europe and the 3rd largest insurer in Brazil.
    Its solutions are distributed in 19 countries by various partners and insure over 36 million people in protection and contingency, and 14 million in savings and retirement.
    CNP Assurances is a responsible insurer and investor (€400 billion invested across all sectors) committed to an inclusive and sustainable society, protecting and facilitating all life paths.

    The team was composed and worked in agile sprints:
    • 1 Architect
    • 1 Tech Lead
    • 6 Developers


    I was involved in the following features:
    • Development of new features (C# .net) for the individual customer application
    • Responsible for application maintenance


    Technical context: C# .net, ASP.NET, .net standard, .net Framework, agile, MVC Architecture
    C# .NET C# C# Development C# .NET Developer C# .NET Development C# Programming C# Developer C# Backend Developer C# Backend Developer ASP.NET ASP.NET MVC ASP.NET Core ASP ASP.NET Web API ASP.NET WebForms ASP.NET Web API Agile Method Scrum Agile Method Agile Method MVC MVC Architecture Model-View-Controller (MVC) MVC Architecture

Recommendations

Dewy BastienDB
Yassine YousfiYY
Arthur BétitoAB
+3
Dewy Bastien and 5 other people have recommended Blaise

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Education

  • Application Developer Designer, Computer Engineering
    ENI Ecole Informatique
    2017
    concepteur développeur, Ingénierie informatique
  • Angular
    openClassrooms
    2025
    Formation angular et angular avancée

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