My name is Jinsu Kim. I'm a product designer based in Berlin.
I specialize in leading end-to-end initiatives at fast-paced startups.
My focus isn’t just pixel-polishing, but identifying the right problems through measurable signals and validating outcomes with real data.
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I'm now shaping the next chapter of my career around a core question:
"What kind of software craftsmanship delivers the greatest business impact?"
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That question drives how I learn from users, define problems, and ship solutions.
This Website

This website is built using a simple but core web technologies. The goal is to understand web fundamentals beyond just client-focused JavaScript libraries.

I set up a simple backend, developed controllers and models, implemented CRUD functionality, and configured the server-side database.

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