Yehor Lvivski

Principal Software Engineering Manager at Microsoft

Seattle, Washington, United States
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Summary

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Rockstar
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Top School
Yehor Lvivski is a Principal Software Engineering Manager with 15+ years of experience turning 0-to-1 product ideas into scalable, reliable platforms and leading high-performing, cross-functional teams at Microsoft and GitHub. He specializes in early-stage product development and has repeatedly guided teams through product–market fit while architecting systems designed to support millions of users. A long-time early adopter of web technologies—from CSS Animations and WebSockets to PWAs, Web Components and OPFS—he applies new tech pragmatically to unlock product capabilities and user experience gains. His hands-on open-source contributions span front-end animation engines, tooling improvements, and package-manager maintenance, reflecting a willingness to dive into both UX and infrastructure problems. Based in Seattle, he combines deep technical craft with people leadership, mentoring engineers to ship confidently in production. An often-overlooked strength is his track record of introducing niche web APIs into production workflows years ahead of mainstream adoption, accelerating product differentiation.
code15 years of coding experience
job14 years of employment as a software developer
bookBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Cherkasy State Technological University
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Github Skills (23)

git10
javascript10
package-management10
scripting10
css10
bash10
homebrew10
script10
front-end-development10
sh10
shell10
dart10
zsh10
testing9
prompt9

Programming languages (9)

TypeScriptC#PowerShellShellJavaScriptPHPHTMLRuby

Github contributions (5)

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lvivski/animatic

Jan 2013 - Oct 2016

CSS animations engine
Role in this project:
userFront-end Developer
Contributions:349 commits, 1 PR, 29 pushes in 3 years 8 months
Contributions summary:Yehor implemented features and functionality within the "animatic" project, a CSS animations engine. Contributions focused on adding support for CSS transformations, including perspective, and testing the functionality of the newly added features. The user wrote test cases for the different transformations implemented and optimized certain existing code. Furthermore, the user added an interactive animation demo, initializing and controlling a visual scene through keyboard input.
animationcsscss-animationssoulanimations
arialdomartini/oh-my-git

Sep 2013 - Nov 2013

An opinionated git prompt for bash and zsh
Role in this project:
userFull-stack Developer
Contributions:29 commits in 1 month
Contributions summary:Yehor primarily worked on improving the `oh-my-git` project's prompt functionality by addressing code style issues, fixing spacing inconsistencies, and enhancing the display of Git repository information. They made several changes to the `prompt.sh` file, including removing extra spaces, adding the `PS2` variable, and correcting spacing around symbols. Furthermore, the user optimized the prompt by reducing the number of calls to `git status`.
ohmyzshgit-promptzsh-pluginbashprompt
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Yehor Lvivski - Principal Software Engineering Manager at Microsoft