Experience

Igalia

• Spain
• Software Development
• 1 - 100 Employee

• Chromium developer

  • Sep 2020 - Present



LG Electronics

• South Korea
• Computers and Electronics Manufacturing
• 700 & Above Employee

• Senior Research And Development Engineer

  • Jan 2016 - Sep 2020

  Development of Web Engine / Web App Manager on webOS platform● Continuously refactoring for ease of maintainability and improvement of the overall code structure to migrate chromium upstream codes to low cost.● Supporting various features related to launching policy web application, quota management for offline storage and access control groups security model to support Smart TVs, Signage, Auto and OSE.● Optimizing V8 for JavaScript memory usage by tuning configurations of GC to fit web apps on webOS Platform.● Refactoring dismissing splash screen logic to reduce complexity and simplify code.● Fixing bugs to deliver migrated latest chromium for product release.● Optimizing V8 to ship new compiler pipelines to fit web apps on webOS platform.● Refactoring JavaScript injections using V8 extension to reduce dependencies and simplify code. Show less

• R&D Engineer

  • Aug 2012 - Dec 2015

  Development for Web Engine / WebApp Manager on webOS platform ● Successfully delivered three versions of webOS (1.0 - 3.0) to support Smart TVs and Wearables. ● Development for Chromium based web engine on webOS platform ○ Adopting and improving JavaScript heap snapshot to enhance launching performance for web app. ○ Adopting and improving disk compilation cache feature to store JavaScript compilation cache on disk for web resources for inter-process data sharing. ○ Optimizing V8 for JavaScript performance by tuning compiler optimization technologies to fit web apps on webOS platform. ● Development for WebKit based web engine on webOS platform ○ Design and implementation for new features like Web Intents. ○ Optimizing JSC for JavaScript performance by tuning compiler heuristics and adopting LRU cache for code cache. ○ Optimizing WebKit resource memory by pruning resources effectively for web apps. ○ Fixing bugs and crashes to achieve stabilization. ● Development for Qt based WebKit browser on webOS 1.0 ○ Implementing features such as IME composition, viewport control, Drag&Drop support, Touch event handling, Text selection and fixing bugs ○ Optimize QML based browser UI for boot performance enhancement by adopting dynamic loading Show less



Polaris Office

• South Korea
• Software Development
• 1 - 100 Employee

• Software Developer

  • Jan 2006 - Aug 2010

  Development of Polaris Browser engine for various mobile platforms ● Implementing HTML/DOM structure, HTML/DOM Parser, Markup language tree validation, resource management, DOM binding to JavaScript engine. ● Refactoring CSS parser for ease of maintainability, removing browser hacks and improving the overall code structure. ● Fixing different browser engine issues and supporting new web specification features. ● Optimizing performance and memory usage for mobile environment. ● Implementing script execution context switching to support suspend and resume JavaScript engine (SpiderMonkey) ● Debugging and fixing bugs to support Polaris Browser for various platforms (BREW, WIPI, Windows Mobile) and successfully delivering on time Show less