Jeonhwan Won
Software Developer at (CJ) Mezzomedia
South Korea
Summary
👤
Senior🎓
Top SchoolJeonhwan Won is a seasoned software developer with 11 years of experience delivering web, ERP and ad-tech systems across government, enterprise and social platforms. He has led full-stack and backend projects—from designing Kafka-based parallel crawlers and Hadoop-supporting big data pipelines to building custom PHP frameworks and modular R analytics—demonstrating strong system design and team leadership. Comfortable across C#, PHP, Java and R, he routinely combines DevOps tooling (Docker, Jenkins, Nexus) with scalable architectures (Spring Boot, Kafka, Hive) to productionize data-driven services. Known for quickly learning new technologies and decoupling monolithic systems into resilient, testable components, he pairs analytical problem-solving with hands-on implementation. Based in South Korea, he also maintains a public portfolio and a track record of managing cross-functional teams and high-traffic services.
11 years of coding experience
10 years of employment as a software developer
Upper intermidiate English, Upper intermidiate English at IBAT College DublinMaster's degree Computer Science & Engineering, Master's degree Computer Science & Engineering at Hanyang UniversityBachelor's Degree Animation, Bachelor's Degree Animation at Sejong Cyber University
English, Korean
Stackoverflow
53reputation
2kreached
1answer
4questions
Github Skills (41)
facebook-api9
facebook-ads9
oembed9
opengraph8
obsolete8
ads8
lgbt8
google-ads-api8
facebook7
java7
sdk7
data-structure7
data-structures6
apache-kafka6
science6
Programming languages (4)
Github contributions (5)
tiger154/portalreview
Feb 2015 - Feb 2015
Contributions:7 commits, 5 pushes, 1 branch in 9 days
tiger154/fashion
Feb 2015 - Feb 2015
Contributions:6 commits, 5 pushes, 1 branch in 12 days
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