Olivier Lacan
Principal Software Engineer at Pluralsight
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolOlivier Lacan is a Principal Software Engineer based in Seattle with 16 years building scalable, human-centered web platforms and developer tooling. He blends a background in language and design with deep full-stack and backend expertise—particularly in Ruby/Rails—contributing to high-profile projects like Rails, RubyGems, and the widely-used Shields.io and Keep a Changelog. At Pluralsight he drove major system migrations, memory-usage reductions, Kafka-based data unification across nine producer teams, and rebuilt legacy content infrastructure to enable flexible packaging and better ownership. A committed teacher and communicator, he shares knowledge through pair programming, writing, podcasting, and conference talks, and often focuses on developer experience, observability, and internationalization. Notably, his open-source work spans both backend API improvements and front-end localization, reflecting a rare blend of product sensibility and engineering depth.
16 years of coding experience
9 years of employment as a software developer
Bachelor of Science - BS Web Design and Development, Bachelor of Science - BS Web Design and Development at Full Sail UniversityAssociate's degree English Language Literature & Civilization, Associate's degree English Language Literature & Civilization at Université Sorbonne Nouvelle
French, English
Stackoverflow
2,639reputation
214kreached
18answers
10questions
Github Skills (31)
application-framework10
ruby-rails10
apidoc10
testing10
app-framework10
rspec10
sass10
responsive-design10
internationalization10
rails10
ruby10
api10
minitest10
activerecord10
web-framework10
Programming languages (25)
Github contributions (5)
olivierlacan/keep-a-changelog
May 2014 - Nov 2022
If you build software, keep a changelog.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:8 releases, 7 reviews, 405 commits in 8 years 6 months
Contributions summary:Olivier primarily worked on enhancing the user interface and internationalization aspects of the project. They added translations for multiple languages and fixed language-specific redirects, demonstrating a focus on localization. Further contributions involved front-end styling updates and improvements to the responsive design and table of contents. They also upgraded the Middleman version, indicating familiarity with the project's build tools.
changelogversioningmarkdown
rubygems/rubygems.org
Nov 2015 - Mar 2021
The Ruby community's gem hosting service.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 15 commits, 19 PRs in 5 years 5 months
Contributions summary:Olivier primarily contributed to the back-end functionality of the rubygems.org repository. They implemented a new query parameter to the Reverse Dependencies API endpoint, allowing filtering by runtime or development dependencies. They also refactored and optimized existing methods for reverse dependencies, reducing code duplication. Furthermore, they added unit tests for the new reverse dependency methods, ensuring code reliability.
rubyrubygemspackage-manager
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