Daehyun Sung
대리(Assistant Manager) at 민앤지
Gangdong-gu, Seoul, Korea South Korea
Summary
👤
Senior🎓
Top SchoolDaehyun Sung is an experienced Java and Python web developer with 11 years building Spring-based backends, Java web services, and front-end interfaces using jQuery for telecom and fintech clients. As an Assistant Manager at Min&Ji he leads development and maintenance of services for Korea’s major carriers and launched consumer-facing systems like 등기사건알리미 and 주식투자노트. He has a strong GIS and spatial-database background (MFC, SQL Server, MySQL, Oracle, SQLite) from earlier roles and contributed to KT’s iTOMS/mTOMS projects. An active open-source contributor and translator in the LibreOffice/GNOME/KDE ecosystems, he added Python URL-shortening code to Ubuntu’s Gwibber and has participated in Perl community talks and Advent content on CJK romanization. Comfortable with DevOps concerns, he has fixed cross-distro installation and container issues in the notable Backend.AI project, showing practical systems-level troubleshooting. Multilingual and curious about CJKV information processing, he combines language expertise with hands-on engineering to solve Unicode and localization challenges.
11 years of coding experience
3 years of employment as a software developer
B.S., Computer Enginnering, B.S., Computer Enginnering at Hongik University
Japanese, Chinese, English, Korean
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
linux10
container10
bash10
docker10
python10
dockers10
cicd10
redhat9
ubuntu9
suse8
openssl7
git6
api5
Programming languages (14)
Github contributions (5)
lablup/backend.ai
Feb 2022 - Jan 2023
Backend.AI is a streamlined, container-based computing cluster platform that hosts popular computing/ML frameworks and diverse programming languages, with pluggable heterogeneous accelerator support including CUDA GPU, ROCm GPU, TPU, IPU and other NPUs.
Role in this project:
DevOps Engineer & Backend Developer
DevOps Engineer & Backend DeveloperContributions:24 reviews, 55 commits, 43 PRs in 11 months
Contributions summary:Daehyun primarily focused on improving the installation and deployment of the Backend.AI platform. Their contributions include fixing installation bugs across multiple Linux distributions (Ubuntu, CentOS, RHEL, SUSE), updating dependencies (Docker Compose, Python), and correcting architecture detection. Furthermore, they contributed to the backend by fixing a missing change of numeric exitcode to an enum value, demonstrating a understanding of the project's core functionality. The user also addressed issues related to containerization and system configuration.
diversepythonpluggablebackendaicloud-computing
studioego/autocorr_kr
Oct 2020 - Oct 2023
리브레오피스(LibreOffice) 자동 교정(Autocorrect)기능에 대한 말모이 저장소
Contributions:23 pushes, 17 branches in 3 years 1 month
autocorrectlibreoffice
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