Sr. Software Engineer
Current* Working on the Web Platform* Web Standardization at the W3C CSS Working Group* Implement WebGPU APIs in an in-house rendering engine
Jan 2023 - Present
AeroLeads people directory · profile
Changseok Oh Email & Phone Number
Open Source Hacker | Software Engineer | Security Researcher
at
TikTok
1 work email found
@tiktok.com
1 phone found area 404
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Open Source Hacker | Software Engineer | Security Researcher
Location
San Francisco Bay Area, United States, United States
Who is Changseok Oh? Overview
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Quick answer
Changseok Oh is listed as Open Source Hacker | Software Engineer | Security Researcher at TikTok, based in San Francisco Bay Area, United States, United States. AeroLeads shows a work email signal at tiktok.com, phone signal with area code 404, and a matched LinkedIn profile for Changseok Oh.
Changseok Oh previously worked as Sr. Software Engineer at Tiktok and Committer at Chromium. Changseok Oh holds Master Of Science - Ms, Cybersecurity from Georgia Institute Of Technology.
Company email context
Email format at TikTok
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{first}.{last}@tiktok.com
86% confidence
AeroLeads found 1 current-domain work email signal for Changseok Oh. Compare company email patterns before reaching out.
Profile bio
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.
Listed skills include Javascript, Embedded Software, C++, Software Development, and 10 others.
Current workplace
Changseok Oh's current company
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10 roles
Changseok Oh work experience
A career timeline built from the work history available for this profile.
Committer
Current* Contributed CSS properties: font-size-adjust, FontFaceSet::check()* Fixed many layout and rendering issues in Blink
Oct 2023 - Present
Committer
Current
Webkit
* 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.*.
Apr 2013 - Present
Oct 2013 - Present
Intern
* 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
Jun 2019 - Jan 2023
Research Assistant
* 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.
Jun 2016 - May 2022
Intern
* 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
May 2019 - Aug 2019
Software Engineer
* 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
Aug 2012 - Mar 2016
Jr. Software Engineer
* 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
Jul 2008 - Aug 2012
Intern
Samsung Software Membership
* Developed a 3D racing game using DirectX on Windows
Jul 2007 - Jun 2008
4 education records
Changseok Oh education
Master Of Science - Ms, Cybersecurity
Georgia Institute Of Technology
Master Of Science - Ms, Computer Science
Georgia Institute Of Technology
Bachelor’S Degree, Information And Computer Engineering
Ajou University
Bachelor’S Degree, Digital Media
Ajou University
FAQ
Frequently asked questions about Changseok Oh
Quick answers generated from the profile data available on this page.
What company does Changseok Oh work for?
Changseok Oh works for TikTok.
What is Changseok Oh's role at TikTok?
Changseok Oh is listed as Open Source Hacker | Software Engineer | Security Researcher at TikTok.
What is Changseok Oh's email address?
AeroLeads has found 1 work email signal at @tiktok.com for Changseok Oh at TikTok.
What is Changseok Oh's phone number?
AeroLeads has found 1 phone signal(s) with area code 404 for Changseok Oh at TikTok.
Where is Changseok Oh based?
Changseok Oh is based in San Francisco Bay Area, United States, United States while working with TikTok.
What companies has Changseok Oh worked for?
Changseok Oh has worked for Tiktok, Chromium, Webkit, Gnome Foundation, and Igalia.
How can I contact Changseok Oh?
You can use AeroLeads to view verified contact signals for Changseok Oh at TikTok, including work email, phone, and LinkedIn data when available.
What schools did Changseok Oh attend?
Changseok Oh holds Master Of Science - Ms, Cybersecurity from Georgia Institute Of Technology.
What skills is Changseok Oh known for?
Changseok Oh is listed with skills including Javascript, Embedded Software, C++, Software Development, Css, Webkit, Html, and Rtos.
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