Guillaume Lecomte
Summary
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SeniorGuillaume Lecomte is a seasoned full‑stack software and web developer with 16 years of experience building and maintaining large multi-tenant SaaS applications from the database to the browser. Based in Mons, Belgium, he has driven major migrations (WebForms→MVC, .NET Framework→.NET Core), implemented CI/CD and testing pipelines, and optimized complex T-SQL for high‑scale HR/payroll systems. Comfortable across C#, TypeScript, AngularJS/React and REST/SOAP integrations, he also builds developer tooling and infra for automated deployments and tenant management. An active contributor to the FluentMigrator project, he has improved foreign-key definition APIs and ensured backward-compatible migrations through careful refactoring and testing. Known for staying current via hands‑on experiments, he combines pragmatic engineering with a knack for untangling legacy systems into maintainable platforms.
17 years of coding experience
Github Skills (9)
fluentmigrator10
databases10
dotnet-new10
dotnet10
csharp10
sql10
migration10
dotnet-core10
database10
Programming languages (17)
Github contributions (5)
fluentmigrator/fluentmigrator
Sep 2011 - Sep 2011
Fluent migrations framework for .NET
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:5 commits in 7 days
Contributions summary:Guillaume focused on enhancing the FluentMigrator framework by adding new features related to foreign key definitions and constraints. They implemented methods for defining foreign keys using different syntax options, including specifying schemas and cascade rules. The user also updated the codebase, marking older methods as obsolete and replacing them with the newer syntax for improved readability and maintainability. This included extensive testing of the new functionalities and integration with the broader framework.
dotnetfluentmigratordatabase-schemadatabasemigration
guillaume86/VirtualPath
Sep 2013 - Jun 2020
A simple abstraction layer over file system like APIs for .NET
Contributions:15 commits, 7 pushes in 6 years 10 months
dotnetfilesystem
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