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Erwin DupuisED

Erwin Dupuis

Developer .NET

€450/day
Caen, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Erwin

Backend consultant specialized in .NET and architectures, I am involved in the design and evolution of critical backend systems, with a strong focus on scalability, reliability, and integration.

I support teams in implementing good architectural and development practices, while actively contributing to delivery.

Accustomed to working in demanding environments, I have also held responsibilities for technical coordination and team support, ensuring the continuity and quality of projects.
  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Caen (up to 30km)

Experience

  • Paprec
    Backend Developer .NET / Technical Lead
    ENVIRONMENTAL
    October 2022 - Today (3 years and 10 months)
    Caen, France
    Design and provision of REST APIs for large clients, facilitating the integration and automation of business flows. Participation in the definition and evolution of a microservices architecture, improving system scalability and resilience. Implementation of inter-service communication via RabbitMQ, ensuring the reliability of asynchronous processing. Integration with Microsoft Graph API to automate interactions with external services. Design of an email notification API with database logging, processing over 10,000 emails per day. Centralization and optimization of batch processing (Hangfire), improving system maintainability and readability. Implementation and improvement of CI/CD pipelines, contributing to faster production releases. Deployment and operation of applications in Kubernetes, ensuring scalability and availability. Implementation of an API Gateway (Ocelot) to structure and secure inter-service exchanges. Coordination of development and management of technical priorities. Support for developers on complex issues and dissemination of best practices.
    C# .NET RabbitMQ SQL Docker
  • DBM
    .NET Developer Data
    HEALTH AND WELLNESS
    July 2017 - October 2022 (5 years and 3 months)
    Nantes, France
    Overhaul of a business CRM, improving operational efficiency for users. Development and maintenance of .NET applications, ensuring the stability of the information system. Design and optimization of databases (SQL Server), improving performance.
    C# .NET SQL SignalR Docusign
  • Génération Micro
    Developer
    June 2017 - June 2017
    End-of-training internship.
    Development of an application to facilitate project and intervention management.
    PHP MySQL

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Education

  • IT Manager
    ENI - Computer Science School
    2020
    Manager IT
  • BTS Computer Science
    Institut Lemonnier
    2017
    BTS Informatique

Skill set

Categories