Jefferson Le Quellec
Staff Software Engineer at Codeplay Software
Biarritz, Nouvelle-Aquitaine, France
Summary
🤩
Rockstar🎓
Top SchoolJefferson Le Quellec is a Staff Software Engineer based in Paris with nine years of hands-on experience across systems, language design, and backend engineering. A 42 alumnus, he progressed from intern roles—where he built a Rust-based conversational language (CSML) and a Go cryptocurrency prototype—to senior engineering at Codeplay Software, now serving in a staff role. He blends low-level language and systems work with product-focused delivery, demonstrating comfort shipping novel tooling and distributed components. His background in audio engineering and language studies gives him an unusual cross-disciplinary perspective on signal processing, UX for conversational systems, and clear technical communication. Known for moving quickly from prototype to production, he excels at turning research-style projects into maintainable software. Reachable in Paris, he combines startup agility with steady engineering leadership.
9 years of coding experience
4 years of employment as a software developer
Software Engineer, Software Engineer at 42Audio Engineer, Audio Engineer at London School of SoundEnglish Language, English Language at EF Executive Language Institute
French, English
Github Skills (43)
programming-language10
intel10
llvm10
cpu10
interpreter10
oneapi10
api10
toolchain10
compiler10
rust10
chatbot10
colors9
catppuccin9
paris9
blas9
Programming languages (10)
Github contributions (5)
pcluchet/UTXO
May 2018 - Jun 2018
UTXO implementation in hyperledger fabric
Contributions:29 commits, 2 PRs, 18 pushes in 9 days
hyperledger-fabric
jle-quel/SyclCPLX
Oct 2022 - Oct 2024
Contributions:2 PRs, 71 pushes, 17 branches in 2 years
header-libraryheaderheader-onlyheader-only-librarysycl
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