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John Osterman

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I am a full stack developer specializing in data visualization and data-driven web apps. I work full-time for the US Holocaust Memorial Museum but am occasionally available for side projects.

My latest projects have been map-based data dashboards, data explorers, interactive charts, and immersive storytelling features.

Before coding for a living, I was a communications generalist with experience leading comms teams and devising digital strategy writ large. That experience influences my work now, such that I am focused not only on good code but on good products, measurable outcomes, and effective communications. My sweet spot is distilling policy-oriented writing into engaging digital-first content.


I’m on GitHub at