Xavier E. López
Summary
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SeniorXavier López is an engineering manager and seasoned software engineer with 12 years of experience building user-facing products and infrastructure across startups and larger teams. Based in Puerto Rico and currently leading engineering at Aclid, he has a track record shipping consumer apps (Heroic), growth and payments systems (Codecademy), and biosecurity-focused real-time DNA tooling. He blends frontend expertise (React, React Native, Next.js) with backend and architecture experience (Nest.js, GraphQL, Postgres, Rails) and has repeatedly introduced testing, monitoring, and developer-friendly pipelines to improve reliability and performance. As a former founding engineer and tech lead, he pairs hands-on coding with team-building and process improvements, and has scaled systems that reached thousands of users and enabled tens of thousands of scholarship recipients. A pragmatic problem-solver, he brings cross-functional communication and a history of mentoring and operationalizing new engineering practices.
12 years of coding experience
Github Skills (20)
web-application10
html-document10
frontend10
react10
rendering9
cms9
javascript9
react-component9
ghost9
nodejs9
obsolete9
journalism8
deprecated8
ember8
mern8
Programming languages (3)
Github contributions (5)
venmo/react-html-document
Oct 2015 - Sep 2016
A foundational React component useful for rendering full html documents on the server.
Contributions:14 releases, 34 commits, 11 PRs in 10 months
html-documentreact-componentrendering
xavierelopez/lreddit
Jun 2014 - Aug 2014
Contributions:66 commits in 2 months
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