With over 20 years of experience in software development, I specialize in .NET, API, and mobile application development. Currently working as a freelance .NET developer, I leverage my expertise in .NET (API, MAUI and Blazo) to create robust and scalable solutions tailored to client needs. My mission is to deliver innovative and efficient software solutions that empower businesses and optimize their operations. By focusing on cutting-edge technologies and collaborative development, I aim to deliver high-quality applications that drive tangible value for clients.

Grégoire Larreur de Farcy

With over 20 years of experience in software development, I specialize in .NET, API, and mobile application development. Currently working as a freelance .NET developer, I leverage my expertise in .NET (API, MAUI and Blazo) to create robust and scalable solutions tailored to client needs. My mission is to deliver innovative and efficient software solutions that empower businesses and optimize their operations. By focusing on cutting-edge technologies and collaborative development, I aim to deliver high-quality applications that drive tangible value for clients.

Available to hire

With over 20 years of experience in software development, I specialize in .NET, API, and mobile application development. Currently working as a freelance .NET developer, I leverage my expertise in .NET (API, MAUI and Blazo) to create robust and scalable solutions tailored to client needs.

My mission is to deliver innovative and efficient software solutions that empower businesses and optimize their operations. By focusing on cutting-edge technologies and collaborative development, I aim to deliver high-quality applications that drive tangible value for clients.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

Language

French
Fluent
English
Advanced

Work Experience

Web engineer at Thales Services
July 3, 2006 - June 29, 2007
Development of the standard ticketing backoffice system (for metros in use in Dubai, Valencia) in .NET/SQL Server
IT consultant in .NET Technologies at Alyotech
July 2, 2007 - June 27, 2008
Websites and intranet developments for different customers such Orange, Cabinet Vidon, Socotec...
System and validaiton engineer at Alstom Transport
August 4, 2008 - July 30, 2010
Specified and validated passenger information systems for TGV (High-Speed Train), including seat reservation and information on board.
Technical manager at Ozytis
August 2, 2010 - November 24, 2023
Managed a development team delivering business-oriented solutions, ecommerce platforms, and mobile applications. Oversaw projects for customers in different sectors I have notably worked to provide a custom e-procurement platform for DELL biggest European B2B market. This system (C# / ReactJS) can interact with various DELL systems, French universities systems (Custom ERP, SAP, other procurements systems) and French governments APIs
Senior .NET Engineer at Mangopay
November 27, 2023 - December 1, 2024
Contributed to the Developer Hub, a centralized interface aggregating 20+ microservices, enabling developers to perform operations without coding API requests. Migrated the backend from .NET 4.6 to .NET 6, redesigning the architecture for performance and maintainability.
Lead developer at TFL Courtage
December 2, 2024 - December 31, 2025
Developed a custom ERP system (.NET/Blazor/MAUI) and its related mobile application to streamline tender management, to follow the live of construction projects and their invoicing and legal compliance. Defined and executed the IT strategy for a fast-growing construction company, ensuring seamless operations across multiple agencies
Lead .NET Developer at Dendryo
February 22, 2021 - Present
Led the migration of a legacy WinDev application to a modern SaaS platform (.NET/Blazor/ReactJs/Azure/MAUI), improving scalability and security. Introduced e-invoicing, e-signature, GIS cartography, and integrations with French government web services.

Education

Engineer - Master of Science at ESIEA
August 28, 2000 - February 25, 2005
Bachelor Of Science with honours at Anglia Polytechnic University
September 1, 2003 - June 25, 2004

Qualifications

Add your qualifications or awards here.

Industry Experience

Agriculture & Mining, Financial Services, Non-Profit Organization, Real Estate & Construction, Software & Internet, Transportation & Logistics, Travel & Hospitality, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more