Marnen Laibow-koser
Owner at José Mateo Ballet Theatre
Randolph, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolMarnen Laibow-koser is a seasoned web designer and software engineer with 18 years of experience building web applications and developer tooling, specializing in Ruby on Rails, PHP, ColdFusion and front-end UI work. As owner of Thunderbird Productions and Principal Software Engineer at RBM Technologies, he blends freelance entrepreneurship with senior engineering responsibilities, often shipping pragmatic solutions across the stack. He’s an active open-source contributor whose work includes UI improvements for Atom’s settings view and enhancements to API documentation tooling and the Rubinius language tests, showing comfort from editor UX to language-level specs. Trained as a musician with an M.M. in Contemporary Improvisation, he regularly applies musical rigor to software craftsmanship—also working professionally as a pianist/violinist and music engraver—which informs a rare combination of technical precision and creative problem solving. Based in Randolph, Massachusetts, he brings a multidisciplinary perspective to engineering problems and a track record of refactoring legacy systems into maintainable, well-tested code.
18 years of coding experience
3 years of employment as a software developer
Music (Composition), Music (Composition) at Cleveland Institute of MusicBachelor of Arts (B.A.) Liberal Arts and Sciences/Liberal Studies, Bachelor of Arts (B.A.) Liberal Arts and Sciences/Liberal Studies at Excelsior CollegeMaster of Music (M.M.) Contemporary Improvisation, Master of Music (M.M.) Contemporary Improvisation at New England Conservatory of MusicNew Kind of Science Summer SchoolMusic (Composition), Music (Composition) at Purchase College, SUNY
Stackoverflow
6,103reputation
4.0mreached
187answers
1question
testing
top-5%
rake
top-5%
json
top-1%
Github Skills (27)
atom-editor10
json10
programming-language10
javascript10
application-settings10
testing10
rubinius10
rspec10
object-oriented-programming10
complex-numbers10
ui-design10
ruby10
uid10
api10
front-end-development10
Programming languages (23)
Github contributions (5)
rubinius/rubinius
Apr 2008 - May 2008
The Rubinius Language Platform
Role in this project:
Backend Developer
Backend DeveloperContributions:95 commits, 1 comment in 18 days
Contributions summary:Marnen primarily contributed to the Rubinius language platform by writing and improving specifications for the `Complex` class. They implemented and tested features for methods like `new`, `+`, `-`, `*`, `/`, `%`, `abs`, `abs2`, `angle`, and `to_s`, ensuring that these functions behave correctly and meet the library's specifications. The user also refactored some code using alternate constructor syntax, enhancing the platform's reliability and functionality.
esoteric-languageprogramming-languagesvirtual-machinerubiniusprogramming-language
atom/settings-view
Oct 2018 - Nov 2018
🔧 Edit Atom settings
Role in this project:Front-end Developer
Front-end DeveloperContributions:11 commits, 1 PR, 13 comments in 27 days
Contributions summary:Marnen focused on implementing and improving the user interface for the settings view within the Atom editor. They added functionality for rendering radio buttons, default values, and improved the styling of the settings panel. The commits also included refactoring and extracting methods to reduce code duplication and improve the organization of the front-end code.
atom-pluginatomdmgsettings
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