Yongwoo Jeon
Leader (SVP) at NAVER Corp
South Korea
Summary
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RockstarYongwoo Jeon is a seasoned engineering leader (SVP) with 13+ years of experience building high-performance front-end platforms and leading multi-technology teams at NAVER and LINE. He combines hands-on expertise in JavaScript frameworks, UI components (egjs), and SPA performance tuning with strategic ownership of edge, front, and infrastructure layers to deliver sub-3s LCP and 99.99% availability. Known for migrating legacy systems to modern stacks, he also led the company’s online experimentation and A/B testing platforms to drive data-informed product decisions. Yongwoo applies AI and LLMs to unify fragmented observability signals, improving incident response and expanding AI-driven innovation across DevOps. An active contributor to notable open-source projects like egjs and QUnit, he brings a pragmatic engineering culture that emphasizes testing, inner-source, and developer experience. Outside work he balances the intensity of large-scale systems with a curious, rapid-learning mindset that helps him cross disciplinary boundaries with designers and SREs.
13 years of coding experience
11 years of employment as a software developer
Stackoverflow
1reputation
0reached
2answers
0questions
Github Skills (12)
component-development10
jscript10
javascript10
qunit10
event-handling10
test-automation10
testing10
front-end-development8
mobile6
hammerjs6
jquery6
requestanimationframe6
Programming languages (6)
Github contributions (5)
naver/egjs
Mar 2015 - Jun 2021
Javascript components group that brings easiest and fastest way to build a web application in your way.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 release, 11 reviews, 193 commits in 6 years 4 months
Contributions summary:Yongwoo primarily focused on modifying and testing JavaScript components within the egjs repository. Their commits included updates to existing JavaScript components, specifically concerning event handling and the integration of custom events. The changes involved modifying existing test files and the underlying JavaScript source code. These modifications included adding features such as the ability to detach multiple event handlers at once.
egjsneumorphismweb-componentsweb-applicationfastest
qunitjs/qunit
Sep 2015 - Jan 2016
🔮 An easy-to-use JavaScript unit testing framework.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:6 commits, 6 PRs, 40 comments in 4 months
Contributions summary:Yongwoo primarily contributes to improving the QUnit testing framework, focusing on the `assert` module. Their work includes adding features for asynchronous testing with call counts and enhancing primitive type support within `deepEqual`. They also fix typos and address issues related to test reordering. This demonstrates a focus on refining the core functionality and reliability of the testing framework.
testing-frameworktestingjavascriptunit-testing-frameworkunit
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