Jongha Kim is a seasoned software leader with 14 years of experience building cloud-native systems and developer teams across startups and enterprise projects. Currently a Senior Manager at DRB, he previously scaled engineering as CTO of Sellernote—growing the product from initial launch to supporting hundreds of millions in revenue through architecture, CI/CD, SRE and hiring. He is a polyglot engineer comfortable across Javascript/Typescript (Node, React), Python, and Go, with hands-on cloud experience on AWS, GCP and Azure. His background includes low-level tooling for static code analysis in C++ and localization work for MDN Web Docs, where he synchronized and modernized Korean JavaScript documentation. Known for establishing development processes—testing, code review, CI/CD—and for shipping both APIs and front-end reworks, he blends pragmatic engineering with product-driven leadership. Based in Kazan with roots in South Korea, he pairs deep technical breadth with a proven track record of turning resource-constrained teams into stable, scalable engineering organizations.
7 community-maintained translations of MDN Web Docs in ES, FR, JA, KO, PT-BR, RU, and ZH, to learn and contribute in your native language.
Role in this project:
Localization / Internationalization Specialist
Contributions:588 reviews, 64 commits, 556 PRs in 1 year 8 months
Contributions summary:Jongha's contributions primarily involve translating and updating documentation for MDN Web Docs, specifically focusing on the Korean language. They fixed syntax errors and updated example code styles in translated content. The user consistently worked on synchronizing Korean documentation with the English (en-US) versions, especially concerning JavaScript reference pages, ensuring accurate and up-to-date information for Korean-speaking developers. They are also focused on localization of JavaScript's built-in objects and methods.
Contributions:16 commits, 14 pushes, 1 branch in 6 months
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