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Sylvain AuratSA

Sylvain Aurat

Developer / Lead Dev / Software Architect

€790/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sylvain

Software architect and lead developer with over 20 years of experience in enterprise software design, particularly for large financial institutions.

Expert in .NET/C# architecture, Domain Driven Design, Software Craftsmanship, and True Agile, with a strong background in technical leadership.

I design and deliver scalable and high-performing software solutions, supporting business transformation.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Crédit Agricole CIB
    Software Architect
    BANKING AND INSURANCE
    June 2021 - December 2024 (3 years and 6 months)
    Montrouge, France
    Within the Architecture & Innovation team, I led the development of an innovative chatbot platform. This pioneering initiative at CACIB resulted in the creation of a modular and extensible architecture, capable of interfacing with a variety of technologies and conversational engines, from legacy AI systems to the latest generation language models. Our goal is to provide a centralized solution for accessing enterprise applications, simplifying navigation and resource utilization within this large organization. This forward-thinking project aims to establish a new standard in user interaction.
    Architecture Tech Lead C# Artificial Intelligence Microservices
  • GTT
    Lead Developer
    ENERGY AND UTILITIES
    November 2019 - May 2021 (1 year and 6 months)
    Saint-Rémy-lès-Chevreuse, France
    As Lead Developer, I guided a team of 12 developers, providing essential technical direction for the development of this innovative software. My approach was based on Domain Driven Design, Hexagonal Architecture, and Clean Code principles, aiming to optimize the design and development of an automated drawing solution. This solution played a crucial role in reducing design time for Mark III tanks. It improved the structure of the existing code, facilitating the addition of new features and project scalability. The adoption of these practices led to a significant increase in application performance while ensuring better integration of future functionalities. Furthermore, I strengthened my team's technical skills through continuous training on design patterns, testing practices, and coding standards. This initiative ensured the maintenance of high development quality within the team. Finally, my close collaboration with business experts was crucial in aligning software development with the company's real needs. This partnership resulted in high user satisfaction and strengthened confidence in the developed software solution, highlighting the significant business impact of our work.
    Software Craftsmanship C# Domain Driven Design Architecture CQRS
  • Klee Group
    Lead Developer
    SOFTWARE PUBLISHING
    December 2017 - November 2019 (1 year and 11 months)
    Le Plessis-Robinson, France
    At Klee Group, a company specializing in custom digital solutions, I worked as a Lead Developer in a team of 5 responsible for the maintenance and evolution of a subscription management solution for Indigo parking lots, a leader in parking services. This fixed-price project included features such as credit card payment integration, license plate and badge recognition, automated renewals, and dynamic pricing management. Experience
    • Leadership of a team of 4 developers
    • Implementation of continuous integration (TFS) / testing (unit, integration)
    • Implementation of BDD with the business analysis department
    • Application maintenance and evolution Technical Environment
    • Languages / Data formats: C#, SQL, HTML
    • Frameworks and libraries: .Net 4.6, Asp.Net (Webform), Specflow, Chilkat, NFluent, MoQ
    • Development tools: Visual Studio 2017, Resharper, DotTrace, TFS, SpecFlow, Selenium,
    • Infrastructure: SqlServer, SSIS
    • Methodologies and practices: Domain-Driven Design, Hexagonal Architecture, Clean Code, Software Craftsmanship,
    C# ASP.NET Domain Driven Design Software Craftsmanship Tech Lead

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Education

  • Computer Engineering Degree
    EPITA
    2001
    Diplôme d'ingénierie informatique
  • TSI preparatory class
    Lycée Lafayette
    1998
    Classe préparatoire TSI

Skill set

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