Joonho Um is a seasoned technology executive and engineer with 13 years of experience leading product, engineering, and go-to-market efforts across gaming, NFT marketplaces, and enterprise software. Currently CEO of KongLabs in Seoul, he previously served as CTO there and scaled Pala Inc.’s Korea team while driving Klaytn NFT transaction share from 8% to 68% through product, tokenomics, and team growth. Technically grounded from Seoul National University (MS in CS) to early work on SSD FTL research, he has deep front-end and full-stack chops—contributing to EnyoJS UI components and building Visual Studio Code extensions for SAP HANA SQL analysis. Known for blending hands-on engineering with strategic leadership, he excels at turning complex technical requirements into user-facing products and measurable KPIs. Outside work he identifies as a “professional daddy,” signaling strong personal commitment and real-world multitasking skills that inform his people-first management style.
13 years of coding experience
13 years of employment as a software developer
Master of Science (MS), Computer Science, Master of Science (MS), Computer Science at 서울대학교
A JavaScript application framework emphasizing modularity and encapsulation
Role in this project:
Front-end Developer
Contributions:7 commits, 11 PRs, 8 pushes in 3 months
Contributions summary:Joonho primarily contributed to the Enyo JavaScript framework, focusing on UI component enhancements. Their work involved modifying the `Drawer` component by adding and refactoring custom events, improving its usability. Further contributions included adding an SVG image placeholder and adjusting properties related to ScrollMath to enhance user interaction. These changes demonstrate a focus on improving the framework's features and user experience.
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.