[NC CRASH REPORTER SDK 2: A SENTRY.IO-LIKE CRASH REPORTER SDK FOR IN-HOUSE GAMES][WORK IN PROGRESS] • Designed and developed the entire SDK using Rust, along with a testbed application to demonstrate and test its features using Flutter. • Added support for five operating systems (Android, iOS, Linux, macOS, Windows), two game engines (Unity, Unreal Engine), and three languages (C++, Kotlin, Swift) using Autocxx and UniFFIs. • Built a continuous integration and delivery pipeline using GitHub Actions. [FACEWARE BATCHER: A FACEWARE-BASED BATCH PROCESSING APPLICATION FOR FACIAL MOTION CAPTURE IN IN-HOUSE GAMES] • Designed and developed the entire application using Flutter. • Wrote a MEL script for retargeting in Python. [FOSS: A OPEN SOURCE INSIGHTS-LIKE OPEN SOURCE COMPLIANCE SERVICE FOR IN-HOUSE SERVICES] • Designed and developed the entire service including a dedicated CLI tool, GitHub App, and website using Node.js, React, and Rust.

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[VREW: A DESCRIPT-LIKE AI-ASSISTED VIDEO EDITOR] • Designed and developed a minimum viable product of Ultra Captions, a broadcast-quality dynamic captions and effects feature, using FFmpeg, Lottie, and Puppeteer. • Designed and developed a cross-platform CLI tool to manage fonts installed on the operating system using Rust. • Fixed various bugs related to subtitle rendering using FFmpeg and libass.

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[TITAN DATASETS: A KAGGLE DATASETS-LIKE DATASETS SERVICE FOR NAVER WEBTOON] • Designed and developed a minimum viable product using Spring Boot and Vue.js. • Performed various prototyping tasks. [CLOVA SEE: A REAL-TIME DEEP LEARNING-BASED COMPUTER VISION SDK] • Designed the overall architecture. • Developed the entire SDK along with testbed applications to demonstrate and test its features using Boost, NCNN, and OpenCV, excluding the deep learning models and their pre- and post-processing layers. • Added support for five operating systems (Android, iOS, Linux, macOS, Windows) and three languages (JavaScript, Kotlin, Python) using Emscripten, Java Native Interface, and Pybind11. • Built a continuous integration and delivery pipeline using Jenkins. • Deployed in various products and services including CLOVA FaceSign, LINE Pay, and NAVER LABS ARC. • Obtained the K-NBTC certification (BSC 20-008). [NAVER LABS AWAY: AN AI-ASSISTED IN-VEHICLE INFORTAINMENT PLATFORM] • Maintained various features of the main carousel screen on Android using Java. • Integrated with various NAVER services including AudioClip, Booking, Calendar, CLOVA, Sports, and Vibe. [NAVER WHALE: A CHROMIUM-BASED WEB BROWSER] • Designed and developed various features including Block Intrusive Ads, Capture, Mobile Window, and Skin using Chromium. • Fixed various bugs in Chromium: https://github.com/chromium/chromium/commits/master?author=sungmann.cho@navercorp.com [JACKBEAN: A WEBKIT2-BASED WEB BROWSER FOR INTERNAL RESEARCH] • Designed the overall architecture. • Developed various features including a popup blocker, browser windows, common UIs, and infobars using Qt. • Developed various facilities including color and image operations, special purpose RAII classes, and STL extensions using C++. [SLING: NAVER'S OWN PORT OF WEBKIT2] • Designed and developed the WebView embedder framework and its APIs using WebKit2. • Maintained various WebKit2 features using NAVER's own cross-platform solution. • Ported PluginProcess to support Netscape Plugins (NPAPI) on Windows. • Ported WebKit2 IME facilities on Android. • Fixed various bugs in WebKit2: https://github.com/search?q=repo:WebKit/WebKit+sungmann.cho@navercorp.com&type=commits [NAVER WEB ENGINE: A CHROMIUM-BASED ALTERNATIVE TO ANDROID WEBVIEW] • Designed the overall architecture. • Developed the WebView embedder framework and its APIs using Chromium. • Deployed in various services including NAVER Apps and LINE Play. [HIGGS: AN EXPERIMENTAL ANDROID WEB BROWSER] • Designed and developed the entire application based on Android Stock Browser using Java. • Fixed various bugs in Android Stock Browser: https://android-review.googlesource.com/q/sungmann.cho@navercorp.com

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[MY PEOPLE: YET ANOTHER SOCIAL MESSAGING APP] • Developed and maintained the almost features on Android including chats, contacts, geolocation sharing, media sharing, photos, push notifications, themes, and voice memos using Java.

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[POLARIS 7 FOR ANDROID: A WEBKIT-BASED ANDROID WEB BROWSER] • Researched the Surface-based rendering on the native side for high performance browsing. [POLARIS 7: A WEBKIT-BASED NON-SMARTPHONES WEB BROWSER] • Designed and developed the Safari-like magnifier for easy IME operations using C++. • Designed and developed some hardware accelerated effects for rotation, zoom-in, and zoom-out using C++ and OpenGL ES. • Researched the Skia-based backend for WebCore::GraphicsContext2D and the memory efficient chinese font glyph caching strategies for FreeType.

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