Francois Valdy
Co-Founder at <div>riots
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolFrancois Valdy is a Paris-based co-founder and seasoned software leader with 14 years of experience building and scaling trading and fintech platforms. He has held senior technical and product roles including Deputy CTO and Product Team Director at Ullink/Itiviti, where he bridged architecture, product strategy and delivery. A hands-on back-end developer and open-source contributor, he has worked on low-level .NET tooling—improving assembly loading performance in Cecil and advancing ILRepack (an open-source ILMerge alternative) with generics, WinRT/Win32 resource handling and code-generation. Known for pragmatic performance optimizations (for example introducing IEquatable for MetadataToken to speed dictionary lookups), he combines systems-level depth with product leadership. Trained at École Supérieure d'Électricité, he brings rigorous engineering foundations to his ongoing entrepreneurial work in Paris.
15 years of coding experience
17 years of employment as a software developer
École Supérieure d'ÉlectricitéMPSI / MP*, MPSI / MP* at Lycee Thiers
Stackoverflow
2,932reputation
111kreached
94answers
1question
Github Skills (22)
assembly10
net10
dotnet10
standard-library10
mono-cecil10
performance-optimization10
aspnet10
dotnet-core10
assemblies10
assemblyinfo10
common-library10
c-library10
csharp10
cil9
bytecode9
Programming languages (13)
Github contributions (5)
gluck/il-repack
Jan 2011 - Sep 2018
Open-source alternative to ILMerge
Role in this project:
Back-end Developer
Back-end DeveloperContributions:292 commits, 76 PRs, 193 pushes in 7 years 8 months
Contributions summary:Francois primarily focused on the codebase of an open-source alternative to ILMerge, which is a tool for merging assemblies. Their work involved importing and adapting a Cecil fork, a library for manipulating .NET assemblies. The user's changes included code modifications to correctly import generics with context and modifications related to the handling of return types. The user also added code for handling aspects related to Win32 resources and code-generation.
open-source-alternativeaspectsrevit-apicsprojnet-framework
jbevain/cecil
May 2015 - Mar 2016
Cecil is a library to inspect, modify and create .NET programs and libraries.
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 7 PRs, 18 comments in 9 months
Contributions summary:Francois contributed to the performance optimization of the Cecil library, specifically focusing on improvements related to assembly loading. They implemented IEquatable for MetadataToken to improve performance in dictionaries and optimized AssemblyNameReference comparison. Additionally, the user refactored code by removing unnecessary method calls and initialized parameter collections to reduce resizes. Further contributions included supporting WinRT module import.
dotnetmonomodifyinspectbytecode
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