Yannick Guillin
Principal Engineer at Younited
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolYannick Guillin is a Principal Engineer with nine years of professional experience, currently leading platform and integration efforts at Younited in Paris after four years as a Lead Developer there. He specializes in end-to-end .NET systems, cloud CI/CD on Azure, and complex partner integrations (PSD2/AISP, digital signatures, payment and document recognition) across multi-country operations. Yannick blends hands-on backend expertise (C#, ASP.NET, EF Core) with front-end TypeScript/Angular work and observability tooling like Elasticsearch/Kibana and Application Insights to deliver reliable customer-facing services. He has a track record of turning regulatory and partner constraints into production-grade integrations and automated workflows that scale across five countries. Comfortable in both feature delivery and architectural coaching, he often bridges product, compliance and engineering concerns to reduce time-to-market. Based in Île-de-France and trained at CESI, he brings pragmatic system design and long-term maintenance discipline to fast-growing fintech environments.
9 years of coding experience
10 years of employment as a software developer
Manager de Systèmes d'Information par Apprentissage (Titre de niveau I - Bac +5) Technologies de l''information, Manager de Systèmes d'Information par Apprentissage (Titre de niveau I - Bac +5) Technologies de l''information at CESI Entreprise - Campus Centre CCI Indre
French, English
Github Skills (14)
wallet10
sdk9
csharp8
dotnet-core7
nuget7
rabbitmq7
dotnet7
azure-service-bus6
messaging6
blockchain5
smart-contracts5
microservices3
masstransit3
application-framework3
Programming languages (1)
Github contributions (5)
multiversx/mx-sdk-csharp
May 2021 - Jun 2021
MultiversX C# SDK for interacting with the MultiversX blockchain (in general) and Smart Contracts (in particular).
Contributions:4 reviews, 7 commits, 1 PR in 12 days
particularblockchainsdksmart-contractscontracts
yann4460/elrond-sdk.dotnet
May 2021 - Mar 2022
Elrond SDK for .NET Core
Contributions:3 releases, 48 commits, 39 PRs in 10 months
elronddotnetsdknet-corecsharp
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