- Verified H/W Video codecs and implemented various video solutions for Samsung mobile devices(Galaxy S10, S20, S21, S22, S24), Samsung tablet devices and Samsung wearable devices via either Codec2.0 API or OpenMAX IL API on Android Platform and supported customer’s issues- Designed and implemented a video system based on modern C++ using Codec2.0 API which is newly introduced by Google- Verified H/W Video codecs and implemented various video solutions for Google mobile devices(Pixel 6, 7, 8, 9) via Codec2.0 API on Android Platform worked with Google Pixel team and supported customer’s issues- Certified SkypeHD from MS(Microsoft)- Verified H/W Video codecs and implemented various video solutions for Audi car(A4) via both OpenMAX IL API on Linux Platform and Codec2.0 API on Android Platform and supported customer’s issues until Feb 2020

- Verified H/W Video codecs and implemented various video solutions for both Samsung mobile devices(Galaxy S6, S7, S8, S9) and Samsung tablet devices via OpenMAX IL API on Android Platform and Samsung wearable device(Galaxy Watch) on Tizen Platform and supported customer’s issues- Implemented PV(Para-Virtualization) solution based on Xen Hypervisor for video system in IVI(In-Vehicle Infotainment) for Audi cars, and implemented video solutions worked with E-Solutions, Inc and Aptiv company- Ported OpenMAX IL libraries from Android Platform to Linux Platform and implemented gst-omx for enabling H/W video codec based on an analysis of gstreamer which is used by multimedia system in there- Implemented memory sharing solution on Tizen Platform

- Verified H/W Video codecs and implemented various video solutions for both Samsung mobile devices(Galaxy S2, S3, S4, S5) and Samsung tablet devices via OpenMAX IL API on Android Platform and supported customer’s issues- Redesigned API for using H/W video codec from legacy interface to V4L2(Video For Linux version2) interface- Implemented DRM(Digital Rights Management) video playback solution using UMA(Unified Memory Access)- Implemented Adaptive video playback solution and improved the performance through removing image data copies- Implemented a user library for the ION memory manager introduced by Google

As a university researcher, completed training courses for software programmers and worked on various software projects with some compensation