Carlos Rodriguez-rosario is a seasoned front-end and full-stack engineer with 17 years of experience, currently co-founding Señor Technology in Portland, Oregon. He blends deep UX sensibility with practical expertise in JavaScript frameworks (React, Ember) and Ruby on Rails, having led front-end teams and shipped high-traffic dashboard and API products at companies like Finix, Stripe, and Balanced. Carlos has a proven track record of modernizing legacy systems to handle large scale (e.g., a 20x volume transition at Stripe) and documenting APIs into OpenAPI specs to improve developer experience. An active open-source contributor, he has enhanced the well-known Etherpad Lite project by refactoring and rebuilding its toolbar and commands, reflecting his attention to UI detail and collaboration tools. Outside of code, he pairs discipline in software craftsmanship with a passion for heavy weights and running—bringing the same iterative, data-informed approach to product decisions as to personal fitness.
17 years of coding experience
9 years of employment as a software developer
Bs Computer Engineering, Bs Computer Engineering at Universidad de Puerto Rico
Contributions:1408 commits, 27 PRs, 42 pushes in 1 year 2 months
Contributions summary:Carlos's contributions focused on fixing and enhancing the front-end components within the application. The commits show the user's involvement in testing, debugging, and refactoring Javascript code. Moreover, the user was actively involved in updating existing and creating new components and templates, suggesting a strong focus on UI development.
Etherpad: A modern really-real-time collaborative document editor.
Role in this project:
Full-stack Developer
Contributions:8 commits in 1 month
Contributions summary:Carlos focused on enhancing the Etherpad-lite project by implementing and refactoring the toolbar functionalities. They built the basic toolbar setup, including buttons and their arrangement. Furthermore, they refactored the codebase, restructured the toolbar and its commands, and made the toolbar hooks.
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Carlos Rodriguez-rosario - Co-Founder Señor Technology at Waypoint