Jaewoong Jung
Senior Software Engineer at Google
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJaewoong Jung is a Senior Software Engineer in San Jose with 11 years of professional experience and a long engineering career spanning Google, Samsung Electronics, and Thinkware. He specializes in machine learning model optimization today, with practical focus on LLM quantization, while his background shows deep expertise in build systems and low-level performance work. At Google he has contributed to Android build and runtime projects—streamlining VNDK snapshot generation, APK signing workflows, and significantly optimizing Dalvik dexdeps with buffer-based I/O for measurable speedups. His blend of systems-level optimization and ML model work means he can both squeeze milliseconds out of platform code and reduce model size/latency for deployment. Educated at Seoul National University with executive training from Harvard Business School, he pairs technical rigor with strategic product perspective. An under-the-radar strength is his history of improving large, complex build pipelines—an asset for productionizing ML systems at scale.
11 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Bachelor's degree at Seoul National UniversityAdvanced Management Program, Advanced Management Program at Harvard Business School
English, Korean
Github Skills (21)
python10
ng10
android-build10
makefile10
java10
bytebuffer10
javas10
performance-optimization10
fileio10
build-automation10
file-processing10
file-handling10
file-access10
build-time9
buildx9
Programming languages (7)
Github contributions (5)
aosp-mirror/platform_build
Nov 2018 - May 2021
Role in this project:
Back-end Developer
Back-end DeveloperContributions:299 commits in 2 years 7 months
Contributions summary:Jaewoong's commits primarily focus on modifying build system configurations within the Android Open Source Project (AOSP). The contributions involve marking modules as "PRESIGNED", which impacts the build process and certificate handling. Additionally, the user added support for APKCERTS files and related features. These changes contribute to streamlining and improving the Android build process.
aosp-mirror/platform_development
Nov 2018 - Mar 2019
Role in this project:Back-end Developer
Back-end DeveloperContributions:15 commits in 3 months
Contributions summary:Jaewoong's contributions primarily revolve around modifying build files and build processes related to the VNDK (Vendor Native Development Kit) snapshot generation for Android. They've focused on updating scripts to use filegroups for notice files, generating Android.bp files, and integrating Soong for building etc modules. Their work also involves recompressing the android.jar before packaging, indicating an understanding of the Android build system and tooling. These changes were done to streamline the build process and to resolve compatibility problems.
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