Tony Spiro is a product-focused technology leader and founder with 12 years of experience building developer tools and modern web apps from the Bay Area. As CEO of Cosmic since 2016 he helps teams ship faster by combining product intuition with hands-on engineering and developer experience. His background spans front-end work and full-stack web development across startups and agencies, with early roots in PHP/LAMP and progressive migration to modern JavaScript and React patterns. Tony contributes to well-known open-source projects like Redux by improving real-world example apps and UX around form submissions, reflecting a pragmatic approach to developer-facing docs and samples. He blends musical training with YC founder experience, bringing creative problem solving and operational rigor to scaling developer platforms.
12 years of coding experience
6 years of employment as a software developer
Y Combinator
Bachelors, Music, Bachelors, Music at University of North Texas
A JS library for predictable global state management
Role in this project:
Front-end Developer
Contributions:6 commits, 2 PRs, 7 comments in 3 months
Contributions summary:Tony primarily contributed to the examples within the Redux repository, focusing on modifying and updating form submission behavior within the ToDo example applications. The user implemented and refined the submission logic, including error handling for the input and ensuring proper form submission. These changes directly modified React components within the example applications, demonstrating a focus on user interaction and component structure.
Contributions:15 commits, 12 pushes, 1 branch in 3 months
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