Daeyeon Won
Staff Software Engineer at 삼성전자
Gyeonggi, South Korea
Summary
🤩
Rockstar🎓
Top SchoolDaeyeon Won is a Staff Software Engineer at Samsung Electronics with 10 years of experience building backend systems and operating LLM backend servers. He combines deep production experience in large-scale AI infrastructure with a strong systems and embedded-systems background from contributions to high-profile open source projects like Node.js and IoT.js. At Node.js he focused on improving test coverage and runtime correctness for networking and stream features, while on IoT.js he hardened builds and diagnostics for resource-constrained devices—skills that inform robust, observable server platforms. A KAIST-trained computer scientist who progressed through Samsung’s scholarship and early-career programs, he brings both research-caliber rigor and practical shipping velocity. Based in Gyeonggi, South Korea, he often bridges cloud-scale LLM deployment concerns with low-level reliability fixes, making him adept at turning complex, safety-critical requirements into resilient production systems.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree, Information and Communication Engineering, Bachelor's degree, Information and Communication Engineering at 인하대학교Master's degree, Computer Science, Master's degree, Computer Science at 한국과학기술원(KAIST)
Github Skills (13)
iot10
embedded10
javascript10
nodejs10
sys10
testing10
http9
c119
stream9
c179
event-driven8
eventing8
unit-test8
Programming languages (9)
Github contributions (5)
jerryscript-project/iotjs
Mar 2017 - Jun 2018
Platform for Internet of Things with JavaScript http://www.iotjs.net
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:81 commits, 114 PRs, 4 pushes in 1 year 3 months
Contributions summary:Daeyeon primarily contributed to the IoT.js project by implementing and refining features related to embedded systems and the Internet of Things. Their work involved adding support for experimental build features, including modifications to the build scripts and the addition of test cases to validate these features. They also addressed several buffer-related defects identified through static analysis, contributing to the overall stability and robustness of the IoT.js platform for resource-constrained environments. Furthermore, the user improved error handling and diagnostic capabilities within the system.
internet-of-thingsjavascript
nodejs/node
Mar 2022 - Dec 2022
Node.js JavaScript runtime ✨🐢🚀✨
Role in this project:Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:316 reviews, 173 commits, 105 PRs in 8 months
Contributions summary:Daeyeon primarily contributed to improving and maintaining the test suite for the Node.js runtime. Their work involved fixing typos, updating test files, and adding new tests to cover specific functionalities, such as those related to HTTP/2, streams, and custom events. The user also addressed issues related to code correctness by modifying the code and adding new tests.
javascriptnodejsnodejsruntime
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