Michael Castillo is a software engineer with nine years of practical experience building modern applications, currently contributing to Insight's Modern Applications practice from O'Fallon, Illinois. His background spans iOS development (DevMountain, Tuple) through full-stack roles at BFC Associates and enterprise-focused work at Insight, giving him fluency in delivering customer-facing mobile experiences as well as larger application initiatives. He began his career in hands-on retail and hospitality leadership, a path that informs his user-first approach and team collaboration skills. A DevMountain-trained iOS developer with an Associate's degree, he balances disciplined craftsmanship with a pragmatic focus on shipping reliable software. Though his GitHub is concise, his steady professional trajectory suggests a developer who prefers production impact over showy open-source signaling.
9 years of coding experience
4 years of employment as a software developer
iOS Development, iOS Development at DevMountain
Associate's degree, Associate's degree at Kaskaskia College
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Michael Castillo - Software Engineer - Modern Applications