Jonathan Julien
Staff Software Engineer at Lyft
Montreal, Quebec, Canada
Summary
👤
Senior🎓
Top SchoolJonathan Julien is a Staff Software Engineer in Montreal with 12 years of hands-on experience building C/C++ systems on Linux, currently driving infrastructure and backend work at Lyft. He brings deep expertise in low-level tooling and reliability, reflected in multi-year contributions to openembedded/openembedded-core—improving lttng-tools tests, dependency management, and musl compatibility to harden build and test pipelines. Prior roles at EfficiOS and internships at Ericsson and Rio Tinto show a blend of telecom, observability, and database optimization experience. Known for quietly fixing flaky builds and improving test suites, he focuses on making complex systems predictable and maintainable. He holds a Computer Engineering degree from Polytechnique Montréal and favors pragmatic engineering that reduces operational surprises.
12 years of coding experience
11 years of employment as a software developer
Bachelor of Science (BS) Computer Engineering, Bachelor of Science (BS) Computer Engineering at Polytechnique Montréal
English
Github Skills (10)
c1710
automated-tests10
linux10
c1110
openembedded10
build-system9
bash9
git9
musl8
perl8
Programming languages (9)
Github contributions (5)
openembedded/openembedded-core
Mar 2019 - Jun 2019
The official Git repository is at https://git.openembedded.org/openembedded-core/.
Role in this project:
Backend Developer & DevOps Engineer
Backend Developer & DevOps EngineerContributions:18 commits in 3 months
Contributions summary:Jonathan primarily contributed to the lttng-tools project, focusing on enhancing the test suite and addressing dependency issues. They added missing dependencies for tests, fixed test failures, and improved the overall reliability of the testing framework. Furthermore, the user addressed build system issues by preventing timeouts and adding missing dependencies for the tests. They also updated the liburcu dependency and addressed musl compatibility.
openembedded
PSRCode/lttng-ci-1
Jan 2016 - Oct 2021
The LTTng CI infrastructure configuration
Contributions:58 pushes, 15 branches, 5 comments in 5 years 10 months
lttnginfrastructureinfrastructure-configurationdevops
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