Paul Bissonnette
Software Engineer at Meta
Redwood City, California, United States
Summary
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RockstarPaul Bissonnette is a seasoned software engineer with 13 years of experience, currently building backend systems at Meta from Redwood City. He focuses on VM internals and performance—evidenced by substantial contributions to Facebook's HHVM where he optimized asynchronous operations and added bytecode-level improvements for dynamic method handling. Paul blends system architecture instincts with hands-on backend development, routinely solving low-level performance and stability challenges in large-scale production code. Based in the Bay Area, he has deep expertise in asynchronous primitives and function-call mechanics that few application engineers encounter day-to-day. Colleagues rely on him to translate complex runtime constraints into pragmatic, maintainable solutions that scale.
12 years of coding experience
Github Skills (5)
c-language10
cprogramming-language10
performance-optimization10
asynchronous8
async8
Programming languages (7)
Github contributions (5)
facebook/hhvm
Jun 2013 - Jan 2023
A virtual machine for executing programs written in Hack.
Role in this project:
Back-end Developer & System Architect
Back-end Developer & System ArchitectContributions:765 commits, 9 PRs, 32 pushes in 9 years 9 months
Contributions summary:Paul made significant contributions to the internal workings of the HHVM virtual machine, focusing on performance and stability. They introduced singletons for the `StaticWaitHandle` class to optimize asynchronous operations, implemented improvements for function call handling, and introduced a bytecode instruction to streamline the handling of dynamic class methods. The commits reveal contributions to the core VM infrastructure.
hacklangphpvirtual-machineprogramshhvm
paulbiss/hhvm
May 2023 - May 2023
Contributions:2 pushes in 1 day
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