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Cheng-Kai Huang

@cheng-kaihuang

Senior Software Engineer at ON24 who integrated GPU transcoding to run 15x faster than CPU.

At ON24, I improved backend stability and integrated GPU processing with Java and Python, making transcoding 15x faster than CPU.

I optimized per-title encoding and FFmpeg commands for on-demand video, including metadata tagging to avoid re-processing. I also enhanced GPU processing to save 20% storage while maintaining similar video quality.

At 7-Eleven, I implemented Azure IoT Edge video recording and live streaming, and integrated a Node.js backend for asynchronous execution. I improved streaming quality on low bandwidth and reduced CPU utilization by 50% for multiple users.

At Nauticus Robotics, I implemented a Vue.js component library and a company-wide Vue.js/Node.js test framework integrated with CI. Earlier, I developed streaming and web applications at Quanta Computer and Advanced Digital Broadcast.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

ON24

Jan 2021 - Present (5 years 9 months)

Optimized per-title encoding for on-demand CPU/GPU script that generates bitrate ladders. Improved backend stability and integrated GPU with Java, Python to get 15x faster than CPU for transcoding.

Java Python FFMPEG GPU CPU Wowza Streaming Engine Backend Video Streaming Encodings Bitrate Ladders Metadata Buffer Testing Automation SERVER TESTING Production Support Root Cause Analysis Feature Development

Software Engineer

7-Eleven

Aug 2019 - Jan 2021 (1 year 5 months)

Implemented and tested Azure IoT edge video recording and live streaming module with OpenCV Python API. Implemented and integrated Node.js backend REST API for asynchronous execution with ES6.

Microsoft Azure IoT OpenCV Python NodeJS REST APIs ES6 Azure Blob Storage Azure Cosmos DB MongoDB Media Services Java FFMPEG Microservices Lambda AWS Docker Video Streaming Live Streaming CPU optimization

Software Engineer

Nauticus Robotics

Feb 2018 - Jul 2019 (1 year 5 months)

Utilized Robotic Operating System (ROS) REST APIs to connect to other software from web applications. Implemented Vue.js component library and integrated frontend with backend robot controller components.

ROS REST APIs Vue.Js NodeJS Mocha CI CD C C++Python Logging Web Applications Frontend Backend Component Libraries Test Framework

Software Engineer

Quanta Computer

Dec 2012 - Jul 2014 (1 year 7 months)

Developed web application medical health care system using Python and Java based platform. Developed Python Django backend to authenticate Android WebView connection.

Python Java Django Android WebView Web Applications Healthcare Wowza WebRTC Video Specification

Software Engineer

Advanced Digital Broadcast

Apr 2010 - Nov 2012 (2 years 7 months)

Developed a Java algorithm to select the most suitable audio track for HDMI port regarding different televisions with Windows Eclipse IDE. Analyzed DVB packets with different channels and collected user behaviors based on Java API.

Java Eclipse HDMI DVB Track Selection User Behavior Analysis Windows