Johnathan Weisner

Senior Software Engineer

Johnathan Weisner is a Senior Software Engineer with extensive experience in the technology sector, currently working at Kalshi since September 2025. Prior to this role, Johnathan served as a Senior Software Engineer at Narmi, contributing to digital-first solutions for financial institutions, and had similar positions at Attentive and Tumblr. Johnathan began as a Senior Frontend Developer at Zola.com and worked as a JavaScript Developer at Crisp Media, where responsibilities included developing applications and APIs using various technologies. Early career experiences include coaching at Dev Bootcamp and participating in a hackathon for the United Nations. Johnathan holds an Associate's Degree in Fine and Studio Arts from Suffolk County Community College and completed training at Dev Bootcamp in 2014.

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