Changseok Oh

Changseok Oh Email and Phone Number

Open Source Hacker | Software Engineer | Security Researcher @ TikTok
Changseok Oh's Location
San Francisco Bay Area, United States, United States
Changseok Oh's Contact Details
About Changseok Oh

Open-source hacker and security researcher specializing in Web and Systems. A long-time contributor to WebKit, Chromium, and GNOME projects. 10 years of industry and 7 years of academic experience. Interested in opportunities related to Emerging Web, Browser Security, Web Security & Privacy, and Computer Graphics.

Changseok Oh's Current Company Details
TikTok

Tiktok

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Open Source Hacker | Software Engineer | Security Researcher
Changseok Oh Work Experience Details
  • Tiktok
    Sr. Software Engineer
    Tiktok Jan 2023 - Present
    Los Angeles, California, Us
    * Working on the Web Platform* Web Standardization at the W3C CSS Working Group* Implement WebGPU APIs in an in-house rendering engine
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  • Chromium
    Committer
    Chromium Oct 2023 - Present
    Mountain View, Ca, Us
    * Contributed CSS properties: font-size-adjust, FontFaceSet::check()* Fixed many layout and rendering issues in Blink
    View
  • Webkit
    Committer
    Webkit Apr 2013 - Present
    * Contribute several web features to WebKitGTK (e.g., Form validation, Gamepad API with libmanette, AVIF support with dav1d, Speech Synthesis with Flite and GStreamer, Speech Recognition with Whisper.cpp, etc) * Implement OpenGL ES backend for Accelerated Compositing.* Developed memory pressure handler that copes with out-of-memory on top of Linux cgroup.* Enhance WebGL support and Fix layout and rendering issues* Fix CVE security bugs in WebKit (CVE-2020-10018, CVE-2020-11793)
  • Gnome Foundation
    Member
    Gnome Foundation Oct 2013 - Present
    Us
    * Translate GNOME Web and its Help document in Korean
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  • Igalia
    Intern
    Igalia Jun 2019 - Jan 2023
    A Coruña, Galicia, Es
    * Bring ANGLE backend for WebGL to WebKitGTK* Zero copy texture sharing between Mesa and ANGLE via Linux DMA buffer* Research Text-To-Speach technologies to employ for WebKitGTK
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  • Georgia Institute Of Technology
    Research Assistant
    Georgia Institute Of Technology Jun 2016 - May 2022
    Atlanta, Georgia , Us
    * Study privacy leakage in online ads* Redesign chromium to block user tracking by web browser fingerprints* Debloat chrome browser with feature sunsetting on the fly by binary rewriting * Developed a defense system against micro DDoS by profiling resources with HPC (Intel PCM, MBM)* Implemented an idle profiler that diagnoses off-CPU time in the multi-threaded programs using HPC
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  • Samsung Research America (Sra)
    Intern
    Samsung Research America (Sra) May 2019 - Aug 2019
    Mountain View, California, Us
    * Build a web app for health data analysis with ReactJS (frontend) and Node.js (backend)* Built an automated system verifying the UI of a watch app by using the Tizen automation framework* Profiled memory usage and revealed possible memory leak of a watch app by using Valgrind* Implemented file transfer via Bluetooth LE in a React Native watch application
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  • Collabora Ltd
    Software Engineer
    Collabora Ltd Aug 2012 - Mar 2016
    Cambridge, Gb
    * Developed hardware based compositing based on Clutter in WebKit* Resource efficient web browser based on GNOME Epiphany for Raspberry Pi 2+* Customized WebKit features and API set for Smart TV Alliance SDK
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  • Samsung Electronics
    Jr. Software Engineer
    Samsung Electronics Jul 2008 - Aug 2012
    Suwon-Si, Gyeonggi-Do, Kr
    * Developed an in-house web layout engine for Smart TVs, Printers in C++* Implemented WebGL and Accelerated Compositing in WebKit EFL by using OpenGL ES for Tizen
    View
  • Samsung Software Membership
    Intern
    Samsung Software Membership Jul 2007 - Jun 2008
    * Developed a 3D racing game using DirectX on Windows

Changseok Oh Skills

Javascript Embedded Software C++ Software Development Css Webkit Html Rtos Clutter Gtk+ Opengl C Git Open Source Software

Changseok Oh Education Details

  • Georgia Institute Of Technology
    Georgia Institute Of Technology
    Cybersecurity
  • Georgia Institute Of Technology
    Georgia Institute Of Technology
    Computer Science
  • Ajou University
    Ajou University
    Information And Computer Engineering
  • Ajou University
    Ajou University
    Digital Media

Frequently Asked Questions about Changseok Oh

What company does Changseok Oh work for?

Changseok Oh works for Tiktok

What is Changseok Oh's role at the current company?

Changseok Oh's current role is Open Source Hacker | Software Engineer | Security Researcher.

What is Changseok Oh's email address?

Changseok Oh's email address is ch****@****ora.com

What is Changseok Oh's direct phone number?

Changseok Oh's direct phone number is +140474*****

What schools did Changseok Oh attend?

Changseok Oh attended Georgia Institute Of Technology, Georgia Institute Of Technology, Ajou University, Ajou University.

What skills is Changseok Oh known for?

Changseok Oh has skills like Javascript, Embedded Software, C++, Software Development, Css, Webkit, Html, Rtos, Clutter, Gtk+, Opengl, C.

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