Donghwan Kim is a software engineer with 14 years of experience specializing in real-time web and enterprise Java architectures, best known as the author of Cettia and a key committer to the Atmosphere project. Based in Seoul, he blends backend expertise (Java, Java EE, Node.js, API design) with front-end craftsmanship (JavaScript, jQuery integrations) and has hands-on product leadership as Chief Product Officer at Lecle. He has designed RESTful, modern APIs and led developer-focused platforms like Baikal and Annot, applying lean and TDD practices to deliver customer-focused features. His open source work includes client-side enhancements to Atmosphere’s WebSocket ecosystem and creating Vibe/Cettia as the next-generation blueprint for asynchronous Java web apps. Beyond code, he brings a product-minded outlook—translating commercial open-source support into pragmatic product decisions and developer tools.
14 years of coding experience
4 years of employment as a software developer
Bachelor's Degree, Materials Science and Engineering, Bachelor's Degree, Materials Science and Engineering at Korea University
High School, Digital Contents, High School, Digital Contents at Korea Digital Media High School
Event Driven WebSockets Framework with Cross-Browser Fallbacks
Role in this project:
Front-end Developer
Contributions:20 commits, 11 comments in 2 years 10 months
Contributions summary:Donghwan primarily contributed to the front-end aspects of the project, focusing on the jQuery integration and JavaScript modules. They refactored code to use `jQuery.stringifyJSON` for JSON stringification and implemented a namespaced unload event. Additionally, the user added a new JavaScript module to enhance the functionality of the Atmosphere framework, demonstrating a clear understanding of client-side development within a WebSocket-based environment.
Contributions:15 commits, 1 PR, 2 pushes in 1 year 1 month
bowerbower-packageatmosphere
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Donghwan Kim - Software Engineer at CAN Foundation