Juhwan Yun
Software Engineer at Upstage
Gyeonggi, South Korea
Summary
👤
Senior🎓
Top SchoolJuhwan Yun is a pragmatic software engineer with 10 years of experience building high-performance backend systems, from network appliances to cloud-native AI services. He combines 3+ years of C/Linux network-appliance expertise with 6+ years of Java/Kotlin and Spring experience, and strong practices in reactive programming and test-driven development. At Upstage he designed LLM serving APIs, document ingestion pipelines, and AI-powered search engines using FastAPI, FAISS, and Hugging Face, while earlier roles at KakaoPay and Coupang focused on credit-risk APIs, data pipelines, and large-scale logistics services. Comfortable across Python, Kotlin, Java and AWS serverless stacks, he’s demonstrated an ability to translate ML research into production-grade ingestion and serving systems. Colleagues describe him as ownership-driven and curious—his GitHub motto “Just for fun...(want to be) :)” hints at a playful, experimental approach that fuels practical innovation.
10 years of coding experience
11 years of employment as a software developer
Master of Science - MS Electrical and Computer Engineering, Master of Science - MS Electrical and Computer Engineering at Hanyang University
Korean, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (56)
r2dbc-mysql9
cuda9
inference8
amd8
java8
pytorch8
analyzer8
non-blocking7
r2dbc7
objective-c7
static-analysis7
llm7
transformer7
gpt7
cpp7
Programming languages (4)
Github contributions (5)
btakeya/btakeya.github.com
Jul 2015 - Aug 2019
Contributions:13 pushes, 1 branch in 4 years 1 month
btakeya/used_book
Aug 2016 - Aug 2016
Contributions:28 commits, 18 pushes, 1 branch in 7 days
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