Summary
Lucas Contreras is a full-stack software engineer and entrepreneur with 10 years of experience building production web apps and developer tools, currently co-founding ArrendaChile while maintaining hands-on engineering roles. He co-created Vista, an open-source GraphQL visualization and query-testing tool, and frequently speaks about GraphQL and TypeScript in tech meetups. Lucas blends practical backend skills (Node, GraphQL, MySQL) with polished frontend work (React, TypeScript, Tailwind, ReactFlow) and a strong focus on test automation and CI/CD. His background includes operational automation at EY and developer-focused migrations and mentoring at CS Engineering, showing an aptitude for turning manual workflows into reliable, maintainable systems. Notably, he built a JavaScript Chrome extension that automated generation of hundreds of PDFs monthly for a client business, highlighting a talent for pragmatic automation that delivers measurable impact. Based in Santiago, Chile, he remains an active open-source contributor with a penchant for developer tools and DX improvements.
10 years of coding experience