Summary
Heunsig Jo is a DevOps engineer and full-stack web developer with nine years of experience building production web apps and tooling using Node.js, Python, PHP, React/Vue, and AWS. After founding and running a startup that secured government investment and generated significant revenue, he brings practical product, sales, and design experience in addition to hands-on engineering. At NEXON Korea he focuses on operations and platform reliability, while his freelance portfolio demonstrates solo ownership of end-to-end projects—from UI design to backend systems and custom JavaScript plugins. A former combat-arms soldier, he pairs resilience and strong communication skills with a disciplined work ethic and a track record of shipping customer-facing features. Heunsig is passionate about continuous learning and shares that curiosity in public GitHub projects showcasing demos and screenshots.
9 years of coding experience
7 years of employment as a software developer
Bachelor of computer engineering, Computer Science, Bachelor of computer engineering, Computer Science at Dong-A University
Korean, English