DoHyung Kim
Software Engineer
Yongin-si
Summary
At NAVER, a seasoned Media Backend Engineer adept in GoLang, C++ and gstreamer, spearheaded the development of innovative media server technologies, including HLS and DASH DRM features, and a webrtc sfu and mcu server. Expertise in Docker and a strong problem-solving ability led to robust, fault-tolerant systems, enhancing streaming quality and reliability. Complex problem-solver with analytical and driven mindset. Dedicated to achieving demanding development objectives according to tight schedules while producing impeccable code.
Overview
4
4
years of professional experience
7
7
years of post-secondary education
Work History
Media Backend Engineer
NAVER
2020.06 - Current
- Sustaining Media Server that transcoding rtmp input to hls output composed of C++, gstreamer. And developed CI work flow linking with gstreamer build packager cerbero with github action.
- Developed HLS and DASH DRM feature in the above media server with less than 5% additional resource.
- Developed audio sharing that select and relay only specific number of person feature in sfu server with no MOS value down.
- Developed and deployed webrtc mcu server with go and gstreamer. This mcu server changes layout dynamically with sfu server signal. And this server has fault tolerant with redis data base. And deployed applications using docker. And i make a total ci work flow while making webrtc test publisher and make gstreamer test pipeline.
Education
Bachelor's - Computer Engineering
Inha University
Incheon, South Korea 2013.03 - 2020.02
Skills
Strong with GoLang (Cgo)
Strong with C++
Strong with webrtc
Familiarity with gstreamer and ffmpeg
Familiarity with github action
Familiarity with Network layer (UDP, TCP, l2, l7, switch, and router)
Familiarity with Docker
Experience with Rust
Experience with Domain Driven Design
Timeline
Media Backend Engineer
NAVER
2020.06 - Current
Bachelor's - Computer Engineering
Inha University
2013.03 - 2020.02
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