Sean Johnson is a seasoned technologist and serial founder with 15+ years of experience turning napkin sketches into profitable software products across startups, consultancies, and enterprises. As Co-Founder & CTO at SpecStory and former CTO of multiple ventures (including Carrot and Hexawise), he blends hands-on engineering in Clojure/ClojureScript, Ruby on Rails, Elixir, Go and mobile with pragmatic product design and rapid iteration. He favors craftsmanship and simplicity, driving products from MVP to market fit while obsessing over user experience and internal elegance. Sean has led distributed engineering teams, navigated acquisitions (Venetica → IBM), and built mission-driven digital government solutions through Skylight Digital. Based in Charleston, he pairs deep technical breadth with business acumen and a proven track record of shipping repeatable, customer-driven products. A philosophy background and long history of open source side projects hint at his curiosity and disciplined aesthetic for clean, usable systems.
15 years of coding experience
27 years of employment as a software developer
Computer Science, Computer Science at Clemson University
Philosophy, Philosophy at University of North Carolina at Chapel Hill
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Sean Johnson - Co-Founder & CTO at Skylight Digital LLC