Jean-françois Pustay
Ingénieur Concepteur at Coexya
Lyon, Auvergne-Rhône-Alpes, France
Summary
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Senior🎓
Top SchoolJean-françois Pustay is an Ingénieur Concepteur based in Lyon with eight years of hands-on experience building C#-centric full-stack and back-end solutions for logistics, industry and distribution clients. He has a track record of improving data collection, processing and exploitation to increase margins, reduce operating costs and enhance security—work showcased through his role at STACKR and recent engineering positions at Coexya and FOKUS. Comfortable moving between legacy system maintenance and multithreaded performance improvements, he has repeatedly delivered scalable, stable services such as batch processing engines and plugin-isolated systems. Trained at SUPINFO with an engineering baccalauréat background, he blends practical product-focused development with a systems-thinking approach to operational challenges. An understated strength is his experience in internalization missions and adapting enterprise tooling to client-specific workflows, enabling measurable business impact.
8 years of coding experience
6 years of employment as a software developer
Ingénierie informatique, Ingénierie informatique at SUPINFOBaccalauréat Science de l''ingénierie, Baccalauréat Science de l''ingénierie at Lycée Gaston Monnerville
Github Skills (85)
openvpn10
csharp10
vpn9
dotnet9
ipsec9
softethervpn9
tizen9
stride9
wireguard9
winforms9
direct3d9
wpf9
l2tp9
xamarin9
uwp9
Programming languages (6)
Github contributions (5)
TheKeyblader/TheKeyblader
Oct 2020 - Jan 2022
Contributions:19 commits, 1382 pushes, 1 branch in 1 year 3 months
TheKeyblader/Stridelonia
Nov 2020 - May 2022
Stride plugin which allows running Avalonia on Stride
Contributions:47 commits, 4 PRs, 56 pushes in 1 year 5 months
avalonia
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