Xavier Carreras is a seasoned frontend-focused software engineer with a decade of professional experience and over seven years specializing in modern JavaScript and TypeScript ecosystems, including React, Redux, RxJS and Mithril. He has shipped production features at scale for companies like Tumblr and New Relic, and brings backend familiarity from PHP and Node.js that helps him bridge frontend/back-end concerns. A pragmatic tester, he complements development with unit and end-to-end testing practices and has built real-time features using WebSockets. Experienced in Scrum, pull-request reviews and occasional pair programming, he prioritizes team growth and delivery quality. Based in Barcelona, he combines legacy PHP roots with up-to-date ES6+ techniques—a mix that makes him effective in both greenfield and maintenance projects.
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