Guillermo Loaysa is a results-driven technology leader and hands-on software engineer with nine years of experience, currently serving as CTO of Elevatorfy while maintaining freelance consultancy work. He combines strategic roadmap ownership and team leadership with deep front-end and full-stack craft—having architected scalable frontends in TypeScript, Angular, and React and built reusable component libraries that sped delivery across multi-country platforms. Guillermo has a track record of improving engineering practices (TDD, CI/CD, API-first design) and exploring real-time systems like Kafka to unlock new product capabilities. His background spans startups, agency consulting, and corporate projects, and he brings an entrepreneurial lens honed from running a hostel and a bookshop before transitioning into software. Known for fostering transparent, human-centered teams, he balances product-focused execution with continuous learning and practical open-source engagement.
Chrome Extension to allow overriding of network responses
Contributions:1 release, 29 commits, 3 PRs in 28 days
chrome-pluginchromeoverridingreact-tstypescript
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Guillermo Loaysa - Chief Technology Officer at Freelance