Debbie O'Brien

Get to know Debbie O’Brien

Debbie O’Brien is a Senior Staff Developer Relations Engineer, Applied AI at Block advocating for agentic workflows, MCPs and all things AI. Debbie has over 15 years experience in Frontend development. She previously worked at Microsoft advocating for Playwright.

She has also worked as a Tech Lead and consultant for many important clients with various technologies and often with a strong focus on performance, static sites and testing. She has lead teams both in house and remotely as well as giving workshops and training.

She has many years of experience as a mentor for online learning platforms, Treehouse and OpenClassrooms. Debbie is a Google Developer Expert in web technologies, Cloudinary Media Developer Expert and Nuxt Ambassador as well as a GitHub Star alumni and a previous Microsoft Most Valuable Professional in developer technologies.

Debbie has a special love for JavaScript frameworks especially Vue.js and Nuxt.js and React as well as testing where she now focuses her time on Playwright end to end testing. She holds a Frontend and FullStack Tech Degree and is Microsoft certified. Debbie is an international speaker, who has spoken at many meet-ups and conferences worldwide on many continents including Antarctica. She is an open source contributor and a teacher.

Debbie is Irish but lives and works in Mallorca, Spain and when she is not writing code and studying new technologies she can often be found doing all sorts of sports from running, cycling, padel, body combat and skiing and of course Taekwondo where she is a 4th degree black belt.