Hosang Jeon
Software Engineer at Coupang
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolHosang Jeon is a seasoned software engineer with 11 years’ experience building scalable, data-driven web platforms and search systems, currently driving service mesh and distributed tracing adoption at Coupang. He combines full-stack Ruby on Rails and modern frontend skills with deep backend expertise in search (Elasticsearch), analytics (PrestoDB, Logstash), and cloud-native architectures on AWS. As a former CTO, he led logistics platform engineering that handled billions of time-series GPS events and designed cost-conscious log management and DevOps pipelines. His background in bioinformatics and genome-cloud platforms reflects a long-standing ability to turn complex scientific and distributed-computing problems into production services. Known for blending hands-on implementation with architectural leadership, he often surfaces pragmatic solutions like percolator-based alerting and personalized search from user behavior.
11 years of coding experience
13 years of employment as a software developer
BS, Computer Science, BS, Computer Science at 아주대학교Visiting Student, Computer Science, 4.5/4.5, Visiting Student, Computer Science, 4.5/4.5 at University College CorkBS, Biological Science, BS, Biological Science at 아주대학교 / Ajou University
English, Japanese
Stackoverflow
1,403reputation
198kreached
28answers
30questions
elasticsearch
top-5%
Github Skills (107)
html9
ruby9
mvc9
elasticsearch9
translation9
search-engine9
java9
rails9
api8
proxies8
rest8
laravel8
microservices8
rest-api8
activerecord8
Programming languages (11)
Github contributions (5)
new-group-2016/my_project
May 2016 - Mar 2018
Contributions:2 PRs, 2 pushes, 1 branch in 1 year 10 months
jhsbeat/elasticsearch-analysis-korean
Dec 2014 - May 2015
Contributions:11 commits, 6 pushes, 3 branches in 4 months
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