Julien Pagès
Senior Software Engineer at Mozilla
Montreal, Quebec, Canada
Summary
🤩
Rockstar🎓
Top SchoolJulien Pagès is a Senior Software Engineer in Montreal with 12 years of expertise in compilers and a PhD in computer science. He has built production compiler technology across academia and industry, from a JIT for Python and parallel JavaScript compilation research to shipping GPU shader compilation at AMD and WebAssembly work on Firefox’s SpiderMonkey. Julien combines deep LLVM/Clang experience and low-level code generation with practical product delivery for embedded and browser platforms. His background bridges research and engineering, regularly turning academic prototypes into maintainable, high-performance compiler toolchains. Notably, he has navigated both multicore language optimization research and real-world GPU/wasm compiler stacks, making him equally at home in paper-driven innovation and large-scale open-source projects.
12 years of coding experience
3 years of employment as a software developer
Doctor of Philosophy - PhD, computer science, Doctor of Philosophy - PhD, computer science at Université de Montpellier
French, English
Github Skills (8)
javascript10
webassembly10
cprogramming-language9
c-language9
compile8
jit8
testing7
profiling7
Programming languages (4)
Github contributions (5)
jpages/nit
Jan 2015 - Mar 2017
Contributions:460 pushes, 26 branches, 1 tag in 2 years 2 months
programming-languagenit
jpages/twopy
Oct 2017 - May 2019
Contributions:382 commits, 23 pushes, 2 branches in 1 year 7 months
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